21 results about "Thread seal tape" patented technology

The invention provides an LTCC raw material belt with a high thermal expansion coefficient, an LTCC substrate and a preparation method of the LTCC substrate, the LTCC raw material belt with a smooth surface and a uniform thickness is obtained through tape casting by adjusting the proportion of silicon dioxide ceramic powder, MgTiO3 ceramic, SrTiO3 ceramic, Li2MgSiO4 ceramic, BCBS, ZABS and LASP microcrystalline glass powder, the LTCC raw material belt is sintered in a nitrogen furnace at 880-940 DEG C for 1-3 h, and the LTCC raw material belt can be co-fired with low-cost copper electrode slurry to be flat and tightly attached to the low-cost copper electrode slurry. The LTCC substrate with the thermal expansion coefficient larger than 11 ppm / DEG C is prepared, under the test frequency of 5 GHz, the dielectric constant of the LTCC substrate ranges from 5.1 to 6.1, the dielectric loss ranges from 0.0025 to 0.004, the bending strength ranges from 170 MPa to 230 MPa, the thermal expansion coefficient at the temperature ranging from 30 DEG C to 400 DEG C ranges from 11.0 ppm / DEG C to 13.0 ppm / DEG C, and acid resistance is good.

This utility model relates to the field of raw material tape production technology, and in particular to a cooling and curing device for raw material tape production. It includes a housing with a first air outlet. A wind-cooling mechanism for cooling the raw material tape is connected to the housing. An open water tank is fixedly connected to the bottom of the housing. A first rotating roller is rotatably connected inside the open water tank. A second and third rotating rollers are rotatably connected inside the housing, with the first rotating roller located between the second and third rotating rollers. This utility model releases cold air to cool the raw material tape after the wind-cooling mechanism is activated. The cold air enters the housing and is released from the first air outlet. The raw material tape, cooled by the cold air, comes into contact with the cooling water in the open water tank. The cooling water provides secondary cooling to the raw material tape—first by the cold air, then by the cooling water—thus improving the cooling and curing effect of the raw material tape.

The invention provides a pipeline thread sealing tape based on a moisture curing type alkoxy silane polymer and a preparation method of the pipeline thread sealing tape, and belongs to the technical field of sealing materials. The sealing tape provided by the invention takes an alkoxy silane-terminated polymer as a core film-forming substance, and takes non-woven fabric as a fiber-based carrier. The alkoxy silane polymer can quickly absorb moisture in the air, cross-linking and curing are carried out, and a tough and compact three-dimensional network silicone rubber sealing layer with high adhesive force is formed. The sealing layer is firmly attached to the non-woven fabric fiber-based carrier, thereby forming a soft and thick silicone rubber sealing tape. The product is suitable for threaded connection parts of pipelines, valves and the like, and the effects of instant filling and long-term sealing can be achieved.

The temperature gradient balancing device comprises a heating box, a plurality of heating chambers and placing grooves are dug in the heating box at equal intervals, an adjusting mechanism is arranged on the left side of the rear surface of an inner cavity of the heating chamber, and conveying mechanisms are symmetrically arranged on the front surface of the adjusting mechanism; a conveying mechanism is connected to one side of the adjusting mechanism, a supplying and conveying mechanism is connected to one side of the conveying mechanism, the supplying and conveying mechanism is arranged at the top of the heating box, and a plurality of stretching rollers are arranged on the rear surface of an inner cavity of the heating box. The temperatures of different stages can be accurately controlled through segmented heating, so that the material is heated more uniformly, thinning, tearing or molecular chain breakage caused by too high temperature or too fast stretching of a local area is prevented, stress concentration is reduced, stress can be dispersed through gradual stretching, and the risk of edge cracking or uneven thickness is reduced.

1. The name of the design product: raw material belt shaft core shell. 2. The use of the design product: raw material belt shell. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

1. Name of the product in this design: PTFE tape plastic shaft. 2. Purpose of this design: Plastic shaft for winding raw material tape. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This utility model discloses a corrosion-resistant raw material tape, including a shell, a drum rotatably disposed within the shell, and a raw material tape body wound on the drum. The shell has a discharge pipe, and further includes a guide shaft, a support plate, two lifting blocks, and a mounting block. The guide shaft is disposed inside the discharge pipe and parallel to the drum. The support plate is disposed inside the discharge pipe and located on the side of the guide shaft near the discharge port of the discharge pipe, and the top end face of the support plate is at the same height as the top of the guide shaft. Both lifting blocks are located above the support plate. This utility model uses pressing the operating block to drive the shearing blade to cut the raw material tape body at the discharge port of the discharge pipe. During operation, no hands are required, making operation convenient and quick, and improving work efficiency.

This invention discloses a gas pipe fitting with a self-sealing connection structure, relating to the field of gas pipe fittings. Addressing the problem of poor installation and gas leakage in existing small-diameter gas pipes during threaded connections due to the lack of industry standards for the use of necessary auxiliary sealing materials such as PTFE tape and sealant, the invention proposes the following solution: It includes a first pipe, with a second pipe at one end. The first pipe has a first hole along its axial direction, and the second pipe has a second hole along its axial direction. Sealing grooves are formed around the inner walls of the first and second pipes at their adjacent ends, within the first and second holes. This invention features a novel structure and effectively solves the problem of poor installation and gas leakage in existing small-diameter gas pipes during threaded connections due to the lack of industry standards for the use of necessary auxiliary sealing materials such as PTFE tape and sealant.

The utility model relates to a working table for detecting an expanded raw material belt. The working table comprises a working table board, two guide rods which are respectively arranged at two ends of the working table board, a measuring scale which is arranged on the working table board and is positioned between the two guide rods, and a clamp which is arranged at one end of the working table board, and the starting point scale and the end point scale of the measuring scale are respectively aligned with the corresponding guide rods. According to the utility model, a series of problems caused by displacement of the bending part due to uneven force or careless touch when the teflon tape is laid in the prior art can be avoided.

This utility model discloses a novel quick-change mechanism for PTFE tape, including a main cylinder, an insert cylinder, staggered ribs, a rubber sleeve, a rubber cone cover, a comb plate, an inner ring rib, and a U-shaped side handle. The insert cylinder is embedded inside the main cylinder. By setting up a quick-change mechanism for replacing and cleaning PTFE tape, the main cylinder of the quick-change mechanism, with the rubber cone cover, is fitted over the metal tube containing the PTFE tape. Then, silicone oil-soaked and hardened PTFE tape can be sprayed on. After the main cylinder is removed, the insert cylinder is inserted and then screwed onto the outside of the metal tube, so that the comb plate inside the insert cylinder combs and cleans the PTFE tape in the thread groove of the metal tube. This facilitates quick cleaning of the PTFE tape at the metal tube and ensures that the PTFE tape at the metal tube can be quickly cleaned and replaced. The oil-soaked PTFE tape effectively ensures that the PTFE tape at the metal tube can be cleaned quickly and with low damage, preventing damage to the threads when cleaning and replacing the PTFE tape at the metal tube.

A type of PTFE tape for auxiliary pipe sealing connections includes, from the outside in, a PTFE layer with a thickness of 0.06-0.1 mm, the outer surface of which is pressed with continuous diamond-shaped anti-slip texture; an elastic memory layer made of shape memory polyurethane with a thickness of 0.08-0.12 mm; a glass fiber woven mesh layer with glass fiber monofilaments having a diameter of 5-10 μm and a thickness of 0.03-0.05 mm; and a sealing lubrication layer made of silicone grease with a thickness of 0.02-0.03 mm. A colored guide strip is provided on one edge of the PTFE tape, and the edge of the colored guide strip is further provided with serrated positioning teeth. This invention improves sealing durability, extends pipe sealing life due to its multi-layer composite structure, and increases installation efficiency. The guide strip and positioning teeth work together to shorten winding time and improve winding uniformity. It is suitable for various industrial and civil applications.

This utility model discloses a multifunctional PTFE tape reel core, the structure of which includes: an auxiliary groove and a shell structure. The improved shell structure allows the PTFE tape to be wound in a ring by a winding rod, and then, together with a side disc, embedded in the contact wall inside the edge shell to achieve a dustproof effect on the side and edge. The contact wall shell, combined with a restraining ring and a blocking block, restrains the side disc, allowing the side disc and winding rod to rotate stably, pulling the PTFE tape straight out from the output head. After the PTFE tape is used, it is hooked into a dedicated hook position through the hook groove at the front end, facilitating storage and preventing it from being mixed with other tools in the storage box and becoming difficult to find. Furthermore, the limiting frame set at the edge of the cutting groove at the front end of the output head improves the stable pulling effect of the PTFE tape. The small blade mounted on the inner wall of the limiting frame cuts the PTFE tape after use, replacing the irregular situation caused by direct pulling and tearing.

The utility model relates to the technical field of raw material belts, in particular to a water cooling pool for raw material belt production, and aims to solve the problems that materials need to be dragged manually for a long time, and the working efficiency is low, the water cooling pool comprises a water tank and a control mechanism, and a control panel is fixedly installed on the front face of the water tank. The raw material belt discharged from the banded extruder can be guided through the guide pipe, so that the raw material belt enters the water tank, a shifting rod can move left and right through mutual cooperation of a servo motor, a threaded rod, a control plate with holes and a vertical plate, and the shifting rod can move up and down through mutual cooperation of an electric push rod, an adjusting plate and the shifting rod, so that the raw material belt can be conveniently and quickly extruded. According to the teflon tape extruding device, the extruded teflon tape can be shifted rightwards, a cooling space is reserved for the subsequent teflon tape, the teflon tape is prevented from being wound, meanwhile, the cooled teflon tape can be guided through the first rotating roller, the second rotating roller and the connecting ring, the teflon tape can enter the calender, long-time manual operation is not needed, and the working efficiency is improved.

The utility model relates to the technical field of medical wires, in particular to a pressure-resistant and high-temperature-resistant medical wire, which comprises a first conductor, a first insulating layer, a second conductor, a second insulating layer, a filler, an aluminum foil layer, a woven belt, a wrapping belt and a jacket, the first conductor, the second conductor and the filler are connected in a twisted mode, the first insulating layer wraps the first conductor, the second insulating layer wraps the second conductor, the aluminum foil layer wraps the first insulating layer and the second insulating layer, the aluminum face of the aluminum foil layer is outward, the woven belt is arranged outside the aluminum foil layer, and the wrapping belt is located outside the woven belt. The wrapping tape is composed of a PTFE raw material tape, and the outer cover is fixed outside the wrapping tape. The cable is simple in structure and reasonable in design, adopts a symmetrical structure, is filled with cotton threads at the center, is easy to resist pressure, adopts Teflon for insulation and adopts silica gel for coating, so that the cable is excellent in cold resistance and high temperature resistance, and can resist pressure in a temperature range of-60-200 DEG C.

Teflon tape packaging equipment convenient to cut comprises an equipment support, a center shaft and a guide column, the rear portion of the equipment support is fixedly connected with a handle, a center shaft groove is formed in the equipment support, the center shaft groove is matched with the center shaft, the center shaft groove is connected with the center shaft, the center shaft rotates in the center shaft groove, and the front portion of the center shaft is fixedly connected with an insection wheel. The front portion of an equipment support is fixedly connected with a clamping plate frame, the upper portion of the clamping plate frame is fixedly connected with a positioning rod base, the upper portion of the positioning rod base is provided with a positioning rod, the upper portion of the equipment support is fixedly connected with a spring frame, and the lower portion of the spring frame is fixedly connected with the positioning rod. And the inner insection frame slides on the side part of the positioning rod. Teflon tapes with different widths are clamped and matched with the conical lines on the surfaces of the conical chucks, so that the two sets of conical chucks can be used for installing the Teflon tapes within a certain size, and the adaptability of the equipment is improved.

This utility model discloses a winding device for raw material tape production, including a base plate. Four fixing bolts are symmetrically connected to the four corners of the front side of the base plate. A circular groove is carved into the front side of the base plate, and a conversion plate is connected inside the circular groove. A take-up roller is equidistantly connected to the front side of the conversion plate. Raw material tape cores are equidistantly sleeved on the outer wall of the take-up roller. A locking positioner is connected to the front end of each take-up roller. An L-shaped connecting plate is provided in the middle of the top side of the base plate, and a punching positioning frame is fixedly connected to the front side of the L-shaped connecting plate. This device allows for the rapid replacement of multiple sets of wound raw material tape cores, automating the roll-changing operation during the winding process. This significantly improves the winding efficiency during raw material tape production. It also allows for the rapid disassembly and assembly of the raw material tape cores on the take-up roller, automatically completing the cutting operation without requiring manual cutting of the raw material tape on the wound cores.

The utility model relates to the technical field of quick connectors, in particular to a quick connector free of raw adhesive tape, which comprises a block valve, external threads are arranged at two ends of the block valve, a self-closing connector is mounted at one end of the block valve through a front locking nut, and a sealing gasket a is mounted on the end face of one end, inserted into the block valve, of the self-closing connector. A rear locking nut is installed on the external thread at the other end of the block valve, a connecting pipe inserted into an inner cavity of the block valve in a sliding mode is arranged in the rear locking nut, and a sealing gasket b is installed on the end face of the end, inserted into the block valve, of the connecting pipe. The quick coupling has the beneficial effects that raw adhesive tape is not needed when the quick coupling is mounted, the sealing gaskets are mounted among the components, and the locking nuts are used for driving the components to axially move to extrude the sealing gaskets to finish sealing, so that the mounting is simple, the manual operation time for cleaning and winding the raw material tape is shortened, the efficiency is improved, the cost is saved, and the quality is stable and reliable; and no raw adhesive tape waste is generated, so that the environment is not polluted.

The utility model discloses a novel cutter mechanism of a raw material belt winding machine, which comprises a rack and a main shaft arranged on the rack, one end of the main shaft is provided with a first fixing ring, the other end of the main shaft is provided with a second fixing ring, a plurality of cutters are sleeved between the first fixing ring and the second fixing ring, fine adjustment components are arranged among the cutters, and the fine adjustment components are arranged on the main shaft. The fine adjustment assembly comprises a first clamping ring and a second clamping ring which are attached to each other, the first clamping ring is provided with a clamping table top, the second clamping ring is provided with a clamping protruding edge, the fine adjustment assembly is arranged between the cutters, and the thickness between the clamping table tops can be set in advance according to actual needs; when the width of the raw material belt produced by the winding machine deviates from the preset width, the distance between the cutters can be accurately and finely adjusted by rotating the second clamping ring, so that the width of all the slit raw material belts is ensured to be within a qualified size range, and defective products are prevented from being generated and the production schedule is prevented from being influenced.

This invention discloses an ultra-permeable PTFE microporous raw material tape for cables and its preparation method, relating to the field of cable materials. The microporous raw material tape comprises polytetrafluoroethylene (PTFE), a propellant, and hydrophobic porous particles. The hydrophobic porous particles are prepared by hydrophobic modification of porous particles with silane. Each porous particle includes a core layer and a shell layer; the core layer is naphthalene, and the shell layer is silica, with a molar ratio of (2-8):1. This application incorporates hydrophobic porous particles into the PTFE raw material tape. The naphthalene in the core layer can volatilize at high temperatures to form hollow particles, which, combined with the micropores of the silica shell layer, improves the air permeability of the raw material tape. When applied to cables, this increases temperature diffusion efficiency. Simultaneously, the porous particles provide a rigid framework, reducing irreversible deformation and improving tear resistance. The micropores of the hydrophobic porous particles can block water molecules with high surface tension, and, combined with the hydrophobic groups on the surface, enhance the water-blocking effect of the raw material tape, meeting the requirements of cable applications.

The invention discloses an anti-twisting winding core barrel for winding of water pipe connector PTFE thread seal tape and an anti-twisting mechanism of the anti-twisting winding core barrel, and belongs to the field of building materials. The anti-twisting winding core barrel is mainly suitable for water heating device installation and comprises a winding core barrel body, the center of the winding core barrel body is provided with a central hole, and the two sides of the winding core barrel body are provided with side walls; a hollow setting-out head rotating around the winding core barrel body is arranged between the two side walls and connected to the winding core barrel body through rotary arms movably connected with the winding core barrel body; and the front end of the setting-out head is smaller than the tail end of the setting-out head, and the PTFE thread seal tape is fed from the tail end and discharged from the front end. According to the anti-twisting winding core barrel for winding of the water pipe connector PTFE thread seal tape and the anti-twisting mechanism of the anti-twisting winding core barrel, twisting of the PTFE thread seal tape during using is avoided, construction is convenient, wasting is avoided, meanwhile, materials are saved, and the construction period is shortened.

1. Name of the product in this design: Packaging box (Teflon tape). 2. Purpose of this design: For use in packaging boxes. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.