206 results about "Laboratory flask" patented technology

To provide a waste liquid withdrawing system that can smoothly withdraw waste liquid without scattering the liquid, and a cell culture system.SOLUTION: A waste liquid withdrawing system comprises: a waste liquid withdrawing mechanism which withdraws culture solution not in use anymore from a plurality of flasks arrayed in a horizontal direction as waste liquid; and a recovery mechanism having a recovery container which recovers waste liquid withdrawn by the waste liquid withdrawing mechanism, where the waste liquid withdrawing mechanism comprises: a sucking mechanism which has a suction part that sucks waste liquid in the flasks, and leads waste liquid to the recovery mechanism; a support mechanism having an arm to which suction part is attached, which is provided movably in a vertical direction, and rotates about an axis line extending in a vertical direction to turn the suction part; a cleaning part which is arranged on a trajectory of the suction part viewed from a vertical direction, and reserves cleaning fluid; and a moving mechanism which linearly moves the plurality of flasks in a horizontal direction, and arranges one flask on a trajectory viewed from a vertical direction.SELECTED DRAWING: Figure 3

The invention relates to the technical field of electrophoretic display, in particular to a preparation method of black electrophoretic particles with low reflectivity and high charge quantity. The method comprises the following steps: S1, mixing pre-dried black electrophoretic particles with ethanol, water and zirconium beads, adjusting the pH value by using ammonia water, and carrying out ball milling; transferring to a four-neck flask, adding a silane coupling agent, adjusting the pH value again, reacting at 80 DEG C, washing, centrifuging and drying to obtain modified particles; s2, carrying out ball milling on the modified particles, a monomer 1, a monomer 2 and a solvent, transferring into a four-neck flask, heating to 50 DEG C under the protection of nitrogen, adding an initiator, and reacting at 70-85 DEG C; after cooling, adding 3-5 parts of monomers and a solvent, repeatedly heating, adding an initiator, and reacting at 70-85 DEG C; and cooling again, supplementing the monomer 2 or 3, reacting under the same condition, and finally centrifuging, washing and drying to obtain the modified electrophoretic particle with the controllable shell structure. According to the invention, controllable regulation and control of low reflectivity and high charge quantity of the black electrophoretic particles are realized.

The utility model discloses a distillation instrument which comprises a rack, a heating bowl is mounted at the top of the rack, a flask is arranged at the top of the heating bowl, a receiving bottle is arranged at the bottom of the rack, a condensation pipe is communicated with the top of the receiving bottle, the top of the condensation pipe is communicated with the flask, a controller is arranged in the rack, and the controller is connected with the heating bowl. A distillate metering assembly is arranged on one side, close to the receiving bottle, of the rack. The distillation temperature and the weight of distillate are sensed in real time and compared with values such as the distillation temperature and the distillation speed which are input in advance, the heating power of the heating bowl is automatically adjusted, automatic adjustment and control over the distillation temperature and the distillation speed are achieved, the automation rate of the distillation instrument is increased, manual intervention is not needed in the distillation process, and the production efficiency is improved. The stability of the distillation temperature and the distillation speed in the distillation process is improved, so that the distillation efficiency and the sample purity are improved.

An interactive toy system is shown and described. The toy system includes a double walled flask adapted to be connected to a base forming an internal space capable of holding an object or a figurine. When an empty space between the double walls is filled with an opaque fluid, it gives the player the impression that the whole flask is filled with such fluid. The toy system includes a smoke generating system, light emitting LEDs and a speaker. During the controlled play process, ingredients are added to an isolated fluid chamber on top of the flask. The operation and the special effects from the smoke, the sound, the light, and the phenomenon in the fluid chamber gives the impression that the creature is being created inside the opaque flask. When the process is concluded and the fluid in the flask is drained, the figurine inside the flask is revealed.

The utility model discloses an integrated collection device for waste oil in a laboratory, and belongs to the technical field of waste oil collection and treatment. The turning cover is rotationally connected to the funnel; the mesh screen is detachably connected in the funnel; the diversion pipe is in threaded connection with the bottom of the funnel; the connecting plate is in threaded connection with the connecting ring; the breather pipe is fixedly connected to the connecting ring; according to the utility model, the funnel is fixedly arranged on the waste oil collecting barrel through the device, so that the funnel does not need to be taken down to seal the cover, on one hand, the problem that oil is easy to drip when the funnel is taken out is solved, and on the other hand, the problem that a barrel cover is difficult to open by a single hand when a worker pours round-bottom glass instruments such as a distillation flask and a test tube in the prior art is solved; meanwhile, through the turning cover arranged on the funnel, the problem that in the prior art, waste oil remaining on the funnel is prone to volatilizing and polluting the environment is solved.

The utility model discloses a cleaning and drying device for chemical product experimental equipment, and relates to the field of cleaning and drying equipment. Comprising a box body and a box cover; a box cover is movably mounted at the top of the box body; a motor is installed at the bottom of the box cover, an output shaft of the motor is connected with a water spraying piece located below the motor, a first water storage cavity is formed in the water spraying piece, a plurality of evenly-distributed first water spraying holes are formed in the bottom end of the water spraying piece, and the first water spraying holes communicate with the first water storage cavity; a horizontally arranged draining plate is arranged in the box body, and a plurality of water permeable holes are formed in the surface of the draining plate; the interior of the box body above the draining plate is a cleaning and drying area, and the interior of the box body below the draining plate is a draining area; a plurality of uniformly distributed supporting mechanisms are arranged at the top of the draining plate, and a fixing mechanism is arranged on the outer side of each supporting mechanism; the device can be used for cleaning the interiors and the exteriors of a plurality of equipment instruments such as test tubes, measuring cylinders, measuring cups, wide-mouth bottles and flasks at the same time, the drying time is shortened, and manpower is saved.

The utility model relates to the technical field of chemical reagent experiments, in particular to a flask with an explosion-proof function, which comprises a safety plug, the bottom end of the safety plug vertically penetrates through an opening at the top end of a thin bottle neck, a ball bottle body is arranged at the bottom end of the thin bottle neck, and a pressure relief through pipe is arranged on the outer wall of one side of the ball bottle body. And a pressure relief valve obliquely penetrates through the interior of the pressure relief through pipe, one side of the outer portion of the ball bottle body is sleeved with a first protective net sleeve, and one side of the first protective net sleeve is connected with a second protective net sleeve in an adsorption mode. According to the improved flask and the safety plug, automatic pressure adjustment is achieved, a controllable pressure relief channel is formed, the sealing performance and the safety are balanced, the relative positions of the pressure relief valve and the pressure relief hole are changed, high-pressure gas can be conveniently diffused and discharged in a fan shape through the pressure relief hole, the impact force and danger of gas injection are reduced, meanwhile, the pressure relief valve has a reset mechanism, and the safety performance is improved. The first protective net sleeve and the second protective net sleeve can effectively intercept large glass fragments generated when the bottle body is broken, and the large glass fragments are prevented from splashing to hurt people.

The application relates to a functionalized glass for SERS detection and a preparation method thereof, characterized by the following steps: a. tetraethyl orthosilicate and oxalic acid are mixed into a 0.02-0.10 moL / L sol in anhydrous ethanol according to a molar ratio of 1:2-5, a stabilizer with a volume of 5-50% is added, and then the mixture is stirred and transferred into a four-necked flask; b. after being heated and stirred for 12-16 hours, an anhydrous ethanol emulsion of polystyrene small balls with a mass fraction of 5-20% and a volume of 6-18% is added; c. an anhydrous ethanol solution of a surfactant P123 with a total mass of 2-8% and a weight concentration of 3-8% is added, and then the mixture is stirred and aged; d. a wet film is prepared on a glass substrate, and then the wet film is dried and kept warm; (2) a nano-silver particle dispersion liquid with a concentration of 5-25 mg / mL is prepared; and (3) the glass substrate prepared in the step d is coated with the nano-silver particle dispersion liquid and dried. The application has the advantages of simple process and low cost; the surface of the porous structure silica nano-particles has a large number of nanoscale gap structures, which is beneficial to obtaining an enhanced silver nano-particle surface plasmon resonance electromagnetic field, and greatly enhances the Raman signal of the adsorbed molecules.

The utility model provides an electric heating jacket of avoiding corrosion, relates to the electric heating jacket field, including: heating base, heating cavity sleeve and flask, the lower end and outer side surface of flask attach heating base and heating cavity sleeve, the upper end of heating cavity sleeve is screwed with adjusting stud through fixed plate, the adjusting stud is connected with the hydraulic block of resistance through linking plate; a liquid guide cavity is formed in the upper end of the liquid blocking pressing block, an adsorption cotton block is bonded to the inner groove face of the liquid blocking pressing block, and the liquid blocking pressing block is in threaded connection with a liquid storage bottle through a mounting ring. The electric heating jacket solves the problem that power transmission is easily affected if a power supply connecting wire of the electric heating jacket is corroded by overflowing liquid in the prior art.

The present invention relates to a device for the collection, pre-analytical treatment, transport and / or grinding of a solid sample, comprising a flask for receiving the solid sample, a pre-analytical medium comprised in the flask and a plurality of beads also comprised in the flask, each bead having a diameter equal to or greater than 5 mm and a density of at least 5.0 g.cm-3. The present invention also relates to the use of said device and to a method for extracting all or part of at least one eukaryotic or prokaryotic cell from a solid sample.

The invention discloses a round-bottom flask placing support and method. The support comprises a flask support and a flask connecting piece. The flask support comprises a flask bottom clamping piece, a connecting piece and a first fixing piece which are sequentially connected, wherein the first fixing piece is located on the upper portion of the flask bottom clamping piece, and a fixed angle is formed between the first fixing piece and the flask bottom clamping piece in the vertical direction; the flask connecting piece comprises a second fixing piece which is located above the first fixing piece and detachably connected with the first fixing piece, the second fixing piece is connected with one end of a flask fixing structure, and the flask fixing structure and the flask bottom clamping piece form the fixed angle in the vertical direction. And the other end of the flask fixing structure is connected with the grabbing part. According to the invention, the flask can be placed in the flask bottom clamping piece at a fixed angle, a robot can position and grab the flask conveniently, and meanwhile, the grabbing part connected with the flask fixing structure is arranged, so that the experiment robot can position the grabbing position conveniently, and the flask can be grabbed stably and prevented from falling off.

The triaxial sample preparation device based on the underwater deposition method comprises a saturator, a support, a water containing base, a vacuum pump and a three-valve mechanism, the saturator is a container used for vacuumizing and saturating underwater sandy soil, a pipeline connected with a pressure-resistant pipe is arranged on a top cover of the saturator, and a first valve is arranged on the top cover of the saturator to control on-off. The other end of the pressure-resistant pipe is connected with a vacuum pump. A pipeline connected with the rubber pipe is arranged below the saturator, and a second valve is installed to control on-off. The three-valve mechanism is a three-axis sample preparation mold, and a water containing base is installed above the three-valve mechanism. The saturator is fixed above the three-valve mechanism and the water containing base through a support. According to the device, the working procedure of preparing the triaxial sample by a traditional underwater deposition method is simplified, the working procedures of heating the sample, injecting air-free water, cooling overnight, transferring a sand solution between a flask and a funnel and the like are omitted, the sample preparation time is greatly shortened, the test operation threshold is reduced, and the test reliability is improved.

The present invention relates to a closure unit (100) for connection to a drinking bottle or a cup (200), in particular a thermos cup, with at least one spout element (10) with a spout edge (12) which surrounds at least one pouring opening (15), in which the pouring opening (15) can be closed via a sealing element (51), characterized in that a base element (20) separate from the spout element (10) is provided with at least one pouring opening to be fixedly connected to the drinking bottle or the cup (200); the spout element (10) is guided vertically movable in or against the base element (20), in which the spout element (10) can be lifted from the base element (20) via a spring element (52); the sealing element (51) closes at least one of the pouring openings (15) in the event that the pouring spout element (10) is lowered onto the base element (20);anda stopping device is provided, with which the spout element (10) can be stopped in the lowered position relative to the base element (20) and against the force of the spring element (52). Figure 6;

The utility model discloses a three-neck flask solid feeder for laboratory synthesis preparation. The three-neck flask solid feeder comprises an opening, a vertical measuring tube is arranged below the opening, a corner tube is arranged below the vertical measuring tube, a scale spin valve is arranged between the vertical measuring tube and the corner tube, and a telescopic tube is arranged on the corner tube in a stretchable mode. According to the utility model, the opening, the vertical measuring tube, the corner tube and the telescopic tube are arranged, so that added materials can be directly conveyed to a reaction area; the scale spin valve is arranged, so that the feeding speed is controllable; containing scales are arranged, so that the feeding amount can be controlled; and the telescopic tube can be stretched and can be suitable for three-neck flasks with different sizes.

The utility model relates to the technical field of food pigments, in particular to a food pigment chemical inspection device which comprises an inspection device body, a flask is arranged in the inspection device body, a connecting pipe is arranged on the outer side of the flask, and a discharging hopper is arranged at the end, away from the flask, of the connecting pipe. A smashing assembly is arranged at the end, away from the connecting pipe, of the discharging hopper, and a filtering assembly is arranged in the connecting pipe. The crushing assembly is used for crushing the introduced food, the crushing assembly is composed of a connecting shell, an auger, a cutting knife and a connecting plate, the connecting shell is located in the inspection device body and located above the discharging hopper, the auger is rotationally connected to the interior of the connecting shell, the cutting knife is fixedly connected to the outer side of the auger, and the connecting plate is fixedly connected to the outer side of the connecting shell. Compared with the existing inspection device, the inspection device provided by the utility model has the advantage that the overall practicability of the inspection device can be improved through the design of the inspection device provided by the utility model.

The utility model relates to the technical field of material detection. The device for mixing and detecting the solutions in batches comprises a plurality of mixing flasks arranged at intervals, a funnel extending into the mixing flasks is erected above the mixing flasks, a test tube capable of synchronously rotating and dumping is arranged on one side above the funnel, and a corresponding dropper is arranged above the test tube. The utility model provides a device for batch mixing of detection solutions, which is convenient to use, operate and control, can pour and mix a large batch of test tubes, greatly improves the working efficiency, and reduces the time and labor cost. The technical problems that in the prior art, in the current material detection process, manpower is consumed, the time cost is high, the same action needs to be manually repeated, and the detection efficiency is low are solved.

The utility model discloses photochemical reaction equipment convenient to operate, which comprises a multi-neck flask, a glass spring tube, a peristaltic pump, a raw material cup, a flask frame, a blocking frame and an arc-shaped lamp top, the multi-neck flask is arranged on the upper end face of the flask frame, a connecting tube is arranged on the multi-neck flask, one end of the connecting tube penetrates through the outer side face of the multi-neck flask and then is arranged in the multi-neck flask, and the other end of the connecting tube is connected with the glass spring tube. The other end of the glass bourdon tube is communicated with one end of a peristaltic pump pipeline, the other end of the peristaltic pump pipeline is arranged in the raw material cup, the section of the blocking frame is in an L shape, the blocking frame corresponds to the glass bourdon tube in position, and the arc-shaped lamp top is arranged above the glass bourdon tube. The upper end face of the arc-shaped lamp top is fixedly connected with the lower end face of the L-shaped transverse section of the blocking frame, a plurality of illumination lamps are arranged on the arc-shaped lamp top, and the illumination lamps are in sliding connection with the lower end face of the arc-shaped lamp top. The beneficial effects of the utility model are that the experimental apparatus is simpler and more convenient so as to adapt to the teaching environment and enhance the cognition of the change of experimental conditions.

This invention discloses a shaker for a biochemical laboratory, comprising a main body and a bed surface mounted on the main body. A base plate is detachably mounted on the bed surface, and a vertically adjustable top plate is provided on the base plate. Multiple clamping drive mechanisms are evenly arranged between the top plate and the base plate. When the top plate is raised or lowered, each clamping drive mechanism is driven to operate simultaneously. This shaker for a biochemical laboratory differs from existing technologies in that, when using a biological shaker for cell culture, it can selectively choose a suitable clamping configuration based on the type of culture container, thereby providing effective shaking positioning for the culture container and ensuring stable and efficient shaking culture. Furthermore, during container placement and positioning, the top plate can be raised or lowered simultaneously to synchronously position or cancel the positioning of all containers on the top plate, eliminating the need for laborious flask clamp expansion to position each container individually.

The present application relates to an incubator, in particular to a multi-layer constant temperature oscillation incubator, comprising a constant temperature box, a box door, a partition, a guide rod and a sliding plate, the constant temperature box is hinged with the box door, the constant temperature box is connected with the partition, the constant temperature box is connected with the guide rod, the guide rod is connected with the partition, and the guide rod is connected with the sliding plate. The constant temperature box can keep the constant temperature environment, ensure the growth and reproduction of microorganisms in the most suitable conditions, the output shaft of the driving motor can drive the placement box to move up and down, the flask can produce oscillation, ensure that the nutrient components in the flask are evenly distributed, avoid local area nutrient excess or deficiency, the placement box can be moved up and down, the distance between the adjacent two placement boxes can be adjusted, the distance between the adjacent two placement boxes can be adjusted according to the height of the flask, the space inside the constant temperature box can be fully utilized, the space utilization rate is improved, and the waste of space is avoided.

The utility model discloses a circulating device for volatile liquid and non-volatile liquid or soluble solid solution, and belongs to the technical field of chemical reaction equipment. The device comprises a gas collection container, a liquid-solid reaction operation container and a magnetic stirrer, a pressure release valve is arranged at the top of a container body, and a scale feeding pipe extending into the bottom of the container is arranged; the liquid-solid reaction operation container is a round flask, the lower part of the flask body is connected with a sample receiving pipeline, a reaction monitoring sample receiving switch is arranged on the pipeline, and the bottom of the flask body is also connected with a graduated shunt tube and is provided with a valve; the liquid-solid reaction operation container is placed on the magnetic stirrer, and the gas collection container and the liquid-solid reaction operation container are connected through a diaphragm pump pipeline and a reflux pipeline, so that gas of volatile liquid is pumped into the liquid-solid reaction bottle and enters the gas collection container again through the reflux pipeline under the action of pressure, and recycling of the liquid is realized. The continuous reaction is ensured. The overall design of the equipment is simple and easy to operate, and the equipment has good corrosion resistance and safety.

Glass vessel (11, 11'), in particular evaporation flask, for a laboratory device (30), in particular a rotary evaporator, with a vessel body (12) made of glass, which defines a receiving space (17) for a medium to be heated, in particular a liquid, characterized by at least one heating resistance element (20) which is in thermally conductive contact with the vessel body (12) and has a connection (23) for supplying electrical energy, wherein the connection (23) comprises at least two sliding contact surfaces (25) which surround a neck (15) of the flask-shaped glass vessel (12).

An epoxy emulsion synthesizing device for a laboratory comprises a bottom plate, a support, a dispersing device, a flask clamp, a reaction kettle, a constant-temperature container, a dropping funnel and a temperature control system, the support is arranged on the bottom plate, one end of the dispersing device is connected with the top end of the support, the other end of the dispersing device is arranged in the reaction kettle, the support is connected with the reaction kettle through the flask clamp, and the reaction kettle is arranged in the constant-temperature container. The dropping funnel is connected with the reaction kettle, and a temperature control system is arranged in the dropping funnel. Wherein the dispersing device comprises a motor, a screw rod and a dispersing disc. Compared with the prior art, the structure of the dispersing device is optimized; meanwhile, a temperature control system is matched, so that the overall reaction quality is improved.

The invention belongs to the technical field of chemical analysis and detection. The invention provides a platinum complex fluorescent probe as well as a preparation method and application thereof in detection of water. The chemical formula of the platinum complex fluorescent probe is C23H16ClN3Pt; the preparation method comprises the following steps: 1, under the protection of argon, mixing terpyridine, potassium tetrachloroplatinate, deionized water and dimethyl sulfoxide in a round-bottom flask, heating, stirring, carrying out reflux reaction, cooling to room temperature, adding concentrated hydrochloric acid, carrying out suction filtration to obtain a precipitate, and drying to obtain Pt-Cl; 2, Pt-Cl, phenylacetylene, cuprous iodide, N, N-dimethylformamide and triethylamine are mixed into a round-bottom flask, then argon is pumped and replaced for multiple times, after a reaction, suction filtration is conducted, precipitates are obtained, washing and drying are conducted, and the catalyst is obtained. The platinum complex fluorescent probe is applied to detection of water and has the advantages of specific selectivity, high sensitivity, wide detection concentration range and the like, so that the detection can better meet the current requirements.

The utility model belongs to the field of petroleum detection, and particularly relates to a petroleum product moisture meter which comprises a base, a heating groove is formed in the position, close to the center, of the surface of the base, a flask is placed in the heating groove, the top of the flask is fixedly connected with a connecting pipe, and the top end of the connecting pipe is fixedly connected with a condensation pipe. A sliding column is fixedly connected to the upper portion of the base. A sliding plate slides on the outer side of the surface of a sliding column by pulling a rotating rod, the rotating rod rotates upwards, the rotating rod penetrates through the surface of a clamping block in a sliding mode and then rotates downwards, the shell is fixed, the flask is convenient to disassemble and assemble, the working efficiency of a user is improved, and through the structural design that the shell is attached to the surface of the flask, the stability of the flask during installation is improved; the heat preservation effect of the flask during working is improved, condensation pipes of different sizes and positions can be conveniently fixed through the connecting mode that the connecting piece rotates and slides on the surface of the supporting rod, and the adaptability of the device is improved.

The invention discloses an improved method suitable for a'volatile substance molar mass determination 'experiment in a physical and chemical experiment established in a higher school. Comprising the following steps: S1, firstly, lapping a device, and replacing an original Meijoa method steam density measuring device with an improved two-mouth round-bottom flask and a soap film flowmeter; s2, replacing an original three-way piston with a T-shaped pipe; and S3, replacing glass bubbles with a medical injector sample injection mode. Experiment results show that the improved experiment is simple in operation and obvious in phenomenon, experiment cost and uncertainty are reduced, and the method is more suitable for grouping experiments of students.

The utility model relates to the technical field of oil test container cleaning, in particular to a cleaning device for a round-bottom flask. Comprising a screw rod with a grip arranged at the top; the threaded pipe is sleeved on the screw rod and is in threaded connection with the screw rod; the pushing block is fixedly arranged at the bottom end of the threaded pipe; the upper circular ring is connected to the screw rod in a sleeving manner and is arranged below the pushing block; the upper circular plate is fixedly arranged on the inner side of the lower circular ring and can slide up and down along the screw rod; the lower circular ring is fixedly connected with the bottom end of the screw rod through a plurality of connecting rods; the lower circular plate is fixedly arranged on the inner side of the lower circular ring; one end of the spring is fixed on the lower circular plate, and the other end of the spring is fixed on the upper circular plate; the plurality of elastic strips are uniformly distributed on the circumference; one end is fixed on the upper circular ring, and the other end is fixed on the lower circular ring. The cleaning device solves the problem that the side wall of the spherical bottom of the round-bottom flask is difficult to clean in the prior art, and the cleaning efficiency is improved.

The utility model discloses a multifunctional chemical experiment device, which belongs to the technical field of teaching aids and comprises a main body, the main body comprises a three-neck cylindrical flat-bottomed flask, a bottle cavity is arranged in the three-neck cylindrical flat-bottomed flask, and three groups of distributed open piles are arranged on the top surface of the three-neck cylindrical flat-bottomed flask. According to the property verification device, experiment operation and teaching processes are carried out through the bottle cavity in the three-neck cylindrical flat-bottomed flask, heating is not needed in the gas preparation process, the acid amount is controlled at any time, the pressure intensity generated by Cl2 can be automatically adjusted through the balloon communicated with the top surface of the three-neck cylindrical flat-bottomed flask, the safety coefficient is high, and the experiment efficiency is high. Redundant Cl2 in the experiment process can be automatically absorbed by soda lime in the balloon and can also be absorbed by injecting a sodium hydroxide solution through the glass charging valve, so that the operation is more convenient, the whole experiment is performed in a sealed environment, the mouth part is polished, the sealing performance is good, the environment is protected, the Cl2 can be effectively prevented from polluting the environment, and the environmental awareness of students is enhanced.

The utility model discloses a flask device for preventing bumping during reduced pressure distillation, which is characterized in that the flask device comprises a flask body which comprises a bottle body structure and a guide pipe arranged at the upper end of the bottle body structure; the guide pipe is of a guide pipe structure with at least one arc-shaped channel; a branch pipe is communicated with the side of the guide pipe above the arc-shaped channel; an anti-bumping opening is formed in the bottle wall of the bottle body structure, and a bottle plug is arranged at the anti-bumping opening; and an air guide pipe penetrates through the bottle plug and extends into the bottle body structure from the anti-bumping opening. Compared with the previous mode of adopting zeolite, the method effectively overcomes the problem of sudden explosion of the oil product, improves the success rate of the test, and also improves the working efficiency of operators.

1. Name of the design product: Distillation flask holder. 2. Use of the design product: For placing distillation flasks. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view.