15 results about "Vacuum pack" patented technology

The utility model relates to a vacuum package electronic cigarette which comprises a pre-oiling electronic cigarette and a packaging bag, the electronic cigarette is contained in the packaging bag, the packaging bag is sealed and vacuum, a vacuumizing assembly is arranged in the electronic cigarette, and the vacuumizing assembly is communicated with the packaging bag. The vacuum-packaged electronic cigarette comprises a pre-filled electronic cigarette body and a packaging bag, a vacuumizing assembly is arranged in the pre-filled electronic cigarette body and communicated with the packaging bag, so that air in the electronic cigarette body can be extracted while the packaging bag is vacuumized, air pressure balance in the packaging bag and the electronic cigarette body is kept, and liquid leakage caused by unbalanced air pressure is avoided; meanwhile, after being vacuumized, the packaging bag is shrunk and sealed and is tightly attached to the outer surface of the electronic cigarette, no air exists in the packaging bag, the situation that tobacco tar pre-injected into the electronic cigarette reacts with air to cause taste change and even deterioration can be avoided, the freshness and original taste of the tobacco tar can be kept, and the user experience feeling is improved.

The packaging material 2 of the present disclosure includes a first base material layer 3, a barrier layer 4, and a sealant layer 5 in this order. The first base material layer 3 contains a polyester-based resin, the barrier layer 4 is a vapor deposition film of a metal oxide, the sealant layer 5 contains a heat-sealable resin, and the L in the CIE1976 color space calculated from the reflection spectroscopic spectrum measured in accordance with JIS Z 8722:2009 under the conditions of a D65 light source and a 2° viewing angle * is 99.159, a * is -0.038, and b * The color difference ΔE * ab(1) between the color tone of the film that is 0.40 or more and 0.80 or less, or the L in the CIE1976 color space calculated from the reflection spectroscopic spectrum measured in accordance with JIS Z 8722:2009 under the conditions of a D65 light source and a 2° viewing angle * is 98.869, a * is -0.079, and b * The color difference ΔE * ab(2) between the color tone of the film that is 0.25 or more and 0.50 or less, or the color difference ΔE between the color tone of the packaging material in the CIE1976 color space and the color tone of the D65 light source calculated from the reflection spectroscopic spectrum measured in accordance with JIS Z 8722:2009 under the conditions of a D65 light source and a 2° viewing angle * ab(3) is 1.20 or more and 1.80 or less, and the oxygen permeability measured in accordance with JIS K 7126-2:2006 in an environment of a temperature of 23°C and a relative humidity of 90%RH is 1.5 mL / m 2 ·day·MPa or less.

1. Name of the designed product: Exhaust valve (oval). 2. Use of the designed product: To keep the vacuum state in the vacuum package after vacuumizing. 3. Design points of the designed product: In shape. 4. Picture or photo showing the design points: Fig. 1.

The invention relates to a glove device, the glove of which is provided for protected intervention in a working chamber of a containment through an access present in a port flange. The port flange is built into a front panel or into a wall of a housing of the containment positioned in an installation area. Machinery for processing goods to be treated can be provided in the working chamber. The glove device is designed as an assembly in the form of an insert which can be inserted into the port flange in a gas-tight manner, said glove device comprising, on one side, a seal which can be removed or is to be opened and, on the other side, a cover part or a shut-off part which is releasable from the assembly, and the vacuum-packed glove between these two sides.

The utility model discloses a vacuum ply rolling metal composite plate sealing and air extracting device which is characterized by comprising a vacuum ply rolling box wall and a sealing and closing plate installed on the vacuum ply rolling box wall, and a vacuum air extracting end is fixedly installed on the sealing and closing plate. According to the utility model, the sealing installation assembly is correspondingly arranged at the joint of the vacuum ply rolling box wall and the sealing closing plate, secondary sealing can be realized by matching with the sealing closing plate, the disassembly and the assembly are convenient, the vacuum pumping assembly can carry out vacuum pumping operation, the sealing installation pipe and the vacuum pumping end can be sealed and fixed by the sealing fixing assembly, and the installation tightness of the connecting end is good; the two ends of the sealing fixing assembly are in auxiliary sealing connection through the two auxiliary sealing sleeves correspondingly, the air tightness of installation is further improved, the air tightness is kept, meanwhile, disassembly and assembly are easy and convenient, the airtight equipment of the device is easy and convenient to disassemble and assemble, the double airtight sealing capacity is achieved, the air tightness is excellent, and leakage is not prone to occurring.

The utility model discloses an automatic vacuum packing device for western-style clothes, which comprises a frame and a vacuum packing mechanism, the vacuum packing mechanism comprises a fixed platform and an L-shaped support, the top of the L-shaped support is provided with an extrusion cylinder, the movable end of the extrusion cylinder is connected with an extrusion plate, and one end of the extrusion plate is provided with a sealing component. A supporting frame is arranged on the outer side, close to one side of the sealing assembly, of the rack, a bagging assembly is installed on the supporting frame, the bagging assembly comprises a bagging groove and a bagging groove, one end of the bagging groove is open, the open end of the bagging groove and the open end of the bagging groove both face one side of the sealing assembly, and the bagging groove is located above the bagging groove. According to the western-style clothes bagging device, bagging is easy, the western-style clothes bagging speed can be increased, the production efficiency is improved, the western-style clothes packaged in a packaging bag are smooth, the phenomena of squeezing and wrinkling of the western-style clothes in the stacking and transporting process are avoided, and the western-style clothes can be always kept in the smooth state for a long time.

The invention provides a stainless steel electrolytic polishing passivation process and a semiconductor flow control component, and relates to the technical field of metal surface treatment.The stainless steel electrolytic polishing passivation process comprises the steps that mechanical polishing is conducted, specifically, abrasive paper and polishing paste are combined, and a stainless steel flow channel surface is subjected to precise polishing treatment; a pretreatment step: sequentially carrying out processes of wax removal, water washing, oil removal and water washing; plasma polishing is conducted on the workpiece, burrs are removed, the surface of the workpiece is smoothed, and then washing and air drying are conducted in sequence; electrolytic polishing is conducted, specifically, electrolytic polishing liquid of a sulfuric acid, phosphoric acid and glycerol system is adopted, an SUS 316L stainless steel plate serves as a cathode, and a 316L VIM VAR stainless steel workpiece serves as an anode to conduct electrolysis; a passivation treatment step: immersing the workpiece subjected to electrolytic polishing in a passivation solution containing nitric acid and a rare earth additive; the passivated workpiece is sequentially subjected to the procedures of high-purity water cleaning, nitrogen blow-drying and drying, and the workpiece is vacuumized and packaged in a dust-free workshop after being dried. The surface corrosion resistance of the workpiece can be improved.

A packaging material (2) according to the present disclosure comprises a first base material layer (3), a barrier layer (4), and a sealant layer (5) in the stated order, the packaging material (2) being characterized in that: the first base material layer (3) contains a polyester-based resin; the barrier layer (4) is a vapor-deposited film of a metal oxide; the sealant layer (5) contains a heat-sealable resin; in order that the color tone in a CIE 1976 color space, as calculated from a reflection spectrum measured in conformance with JIS Z 8722:2009 under a D65 light source and a viewing angle of 2°, is comparable to the color tone of a specific packaging film used in the prior art, the color difference ΔE*ab from the color tone of the specific prior-art film within a specific numeric range or the color difference ΔE*ab from the color tone of the D65 light source is 1.20-1.80; and the oxygen permeability measured in conformance with JIS K 7126-2:2006 is 1.5 mL / m2⋅day⋅MPa or lower.

The utility model discloses a vacuum packing press which comprises a workbench, a mounting frame, a vacuum pump, a suction nozzle driving mechanism, a vacuum suction nozzle and a touch control screen. The mounting frame is fixed on the table top of the working table, the part, located in the mounting frame, of the table top is an extrusion area, a longitudinal extrusion mechanism is arranged above the extrusion area, horizontal extrusion mechanisms are arranged on the two sides of the extrusion area, and an opening wrapping press-fit mechanism and an opening wrapping heat-sealing mechanism are arranged on the outer side of the front face of the mounting frame. The wrapping heat-sealing mechanism is positioned on the outer side of the wrapping press-fit mechanism; the vacuum pump is installed below the table top of the working table, the vacuum suction nozzle is connected with the vacuum pump, the suction nozzle driving mechanism is installed on the front face of the working table, and the vacuum suction nozzle is fixed to the suction nozzle driving mechanism. And the touch control screen is mounted on the mounting frame. By means of the mode, the bag pressing efficiency can be effectively improved, and packaging bags can be shaped according to transportation requirements.

This vacuum heat insulation material is made in small module units which are arranged in a two-dimensional pattern such as a checkerboard shape or a honeycomb shape, and then encompassed by an outer shell to be vacuum sealed to form a double-layer heat insulation material. Then, during nailing, even when a scratch is formed on the outer shell, the region where the vacuum is released does not affect the entire vacuum heat insulation material. Wings are formed toward the bottom surface by using the outer shell material of the vacuum heat insulation material, and pushpin fixing positions are marked on the wings or are formed by perforating holes in the wings. The vacuum heat insulation material formed in this way is arranged at a position to be attached, and then is fixed by driving pushpins into the pushpin fixing positions. Subsequently, when a next vacuum heat insulation material is arranged beside or above the vacuum heat insulation material that has been previously fixed and installed, a stepped portion with a magnet attached is attached to an existing pushpin head portion, thus fixing one side, and the vacuum heat insulation materials are repeatedly installed, thereby enabling convenient construction.

The invention discloses an aluminum alloy radiator and a surface cold copper spraying process, and belongs to the technical field of radiator machining. The preparation method comprises the following steps: selecting high-purity spherical copper powder, carrying out surface roughening pretreatment, impacting the copper powder on a substrate at a high speed of 300-800m / s by utilizing heating gas at 400-600 DEG C under the protection of inert gas, carrying out layered spraying for 3-8 times to form a 0.1-0.5 mm coating, and finally carrying out vacuum packaging. According to the method provided by the invention, the defects that the copper powder is easy to oxidize, the thermal damage of a matrix is large, the binding force of a coating is poor and the like in a thermal spraying process are effectively overcome. The oxidation rate of the prepared copper coating is lower than 1%, the porosity is smaller than 3%, the bonding strength reaches up to 40-80 MPa, the heat conductivity coefficient exceeds 380 W / (m.K), and the salt spray corrosion resistance exceeds 500 hours. The process has the advantages of low-temperature operation, energy conservation and environmental protection, the heat dissipation performance and reliability of the aluminum alloy radiator are remarkably improved, and the service life of the aluminum alloy radiator is remarkably prolonged.

A process is provided for preparing pizza dough for later use. The process includes the steps of mixing the dry components with the liquid components, kneading, dividing into dough pieces of the desired weight, hardening the dough pieces by cooling, vacuum-packing in oxygen-barrier packaging, and storing at a refrigeration temperature.

The invention relates to a method for preparing a carbon fiber prepreg by a one-step method, which comprises the following steps of: placing an epoxy resin composition which is prepared at present in gluing equipment, coating release paper with the liquid epoxy resin composition by utilizing the gluing equipment, and then contacting the release paper coated with the epoxy resin composition with continuous carbon fibers or fabrics, so as to obtain the carbon fiber prepreg. The preparation method comprises the following steps: winding the raw materials on a paper tube, sleeving the whole paper tube wound with the material into a plastic bag after winding, carrying out vacuum packaging treatment, and finally, standing at room temperature for more than 48 hours to obtain the carbon fiber prepreg. No solvent is used in the process, the method is more environmentally friendly and safer, and the porosity of a composite product is lower; compared with a hot melting method, the method has the advantages that multiple heating processes are omitted, the liquid epoxy resin composition forms a film through slow reaction of the dominant curing agent at room temperature, proper viscosity is achieved, the purpose of low-cost preparation of the prepreg is achieved, and the method has the advantages that raw materials are easy to obtain, the technological method is simple, and generalizability is high.

The application discloses a kind of sand full-nutrient high-fiber composite meal replacement powder and preparation method thereof, it is related to meal replacement powder technical field, the method includes: all powder raw materials are separately screened, and after mixing, obtain base mixed powder;Sand embryo bud oil microcapsule and embedded probiotics are added to base mixed powder, and mixed treatment is carried out using micro-amplitude high-frequency vibration field, and obtain active protection mixed powder;Edible alcohol solution is added by atomization spraying, and loose suitable wet soft material is formed;Wet soft material is made into several wet particles by extruder, and immediately wet particles are carried out instantaneous freezing treatment;Frozen particles are quickly transferred to vacuum freeze-drying machine, and obtain porous instant solid beverage particles;Solid beverage particles are vacuum packaged using aluminum foil composite bag.The method of the application can solve the problems of the functional solid beverage from psammophyte, such as mixing uniformity, active ingredient protection and low instant performance.

The present invention provides a food pack in which the movement of the contents thereof is unlikely to be suppressed during cooking, and which enables cooking similar to that done in a rice cooker or mess tin.　The food pack comprises an inner pouch which contains a prescribed amount of uncooked grain and an outer pouch which accommodates the inner pouch and which is vacuum-packed. The inner pouch is constituted from a material that enables heating in water. The uncooked grain can be cooked by opening the outer pouch, introducing water or broth into the inner pouch, and performing heating in water.