1556results about "Slide fasteners" patented technology

The invention relates to the field of zipper processing, in particular to a processing method of a fluoride-free DWR waterproof zipper, which sequentially adopts four steps of pretreatment, padding treatment, drying treatment and heat treatment to carry out waterproof processing on the zipper, the fluorine-free DWR waterproof zipper prepared by matching paraffin, polyether modified silicone oil, carbodiimide, nano silicon dioxide dispersion liquid, fatty alcohol-polyoxyethylene ether and diethylene glycol monobutyl ether has the following advantages that 1, the fluorine-free DWR waterproof zipper meets the limitation requirements of Europe and America regulations and various standards on fluorine element, 2, the waterproof grade meets the grade 4.5 or above of standards such as AATCC / ISO / GB / T and the like, and the fluorine-free DWR waterproof zipper has a good waterproof effect. 3, the washing resistance can reach more than 20 times of washing and drying tests; 4, the phenomenon of white grasping in the market is avoided; and 5, the anti-siphon performance can reach 10H without climbing.

A slide fastener slider, includes: a slider body; a puller, and a lock pin. The lock pin is made of a stainless steel material. A black oxide film is formed on a surface of the lock pin. The surface of the lock pin has brightness L* satisfying 31.70≤L*≤35.90, and a* of a value satisfying −0.708≤a*≤1.929, the brightness L′ and the a* of the value according to definitions in a CIELAB color space defined in JIS Z8781-4 (2013).

Pants housing a catheter that drains to a collection bag, said pants having a left and a right panel, wherein each panel is a covering element has a continuous zipper tape that is coextensive with the fabric forming a pant, wherein the panels provide a selectable portlets to the collection bag mounted on a wearer's anterior thigh to activate drainage or to service a connection of the catheter to the collection bag, and a selectable port to inspect, tighten straps and / or replace the collection bag. It is anticipated that the wearer may be in a wheelchair when these actions are performed.

This invention discloses an explosion-proof sub-chain, relating to the field of clothing accessory manufacturing technology. It includes: a plurality of spaced-apart sub-teeth, each sub-teeth comprising alternating first and second teeth. Each first and second tooth includes a tooth base and a connecting portion disposed on the tooth base. The connecting portion divides the tooth base into a first tooth base and a second tooth base. The first tooth further includes a first protrusion located above the first tooth base and connected to the end of the connecting portion. The second tooth further includes two protrusions located above the second tooth base and connected to the end of the connecting portion. This arrangement, by alternating the first and second teeth, prevents the teeth from squeezing against each other and causing the chain to burst when the sub-chain bends inward.

The invention provides a zipper structure and a box body, and relates to the technical field of luggage, the zipper structure is used for connecting an upper shell and a lower shell of the box body, the zipper structure comprises two zipper bodies, each zipper body comprises zipper cloth and a keel, one end of each zipper cloth is provided with first zipper teeth, the other end of each zipper cloth is used for being connected with lining cloth of the box body, the first zipper teeth are used for being meshed with first zipper teeth of another zipper body; wherein the zipper body is arranged on the box body, the keel is connected with the zipper cloth, and the zipper body is fixed on the box body by fixedly connecting the keel with the box body. Therefore, the problems that an existing zipper box needs full-manual sewing during installation, the reject ratio is high, and the labor cost is high are solved.

To provide a linear motion unit which can achieve improvement of workability during replacement of a cover member.SOLUTION: A linear motion unit includes a linear motion mechanism and a housing. The linear motion mechanism includes a track member and a movement member. The housing includes a cover member that covers the linear motion mechanism. The cover member includes a fastener extending in a longitudinal direction. The fastener includes a first element, a second element, a first slider, and a second slider. The first slider and the second slider cause the first element and the second element to separate from each other as each moves in a direction away from the side where the other is positioned, and cause the first element and the second element to mesh with each other as each moves in a direction toward the side where the other is positioned. The first slider and the second slider can be fixed to the movement member. The fastener reaches at least one end in the longitudinal direction of the cover member. The one end of the cover member is configured to be openable and closable.SELECTED DRAWING: Figure 8

An attachment cover (40) of a slider (1) is flexible enough to allow elastic deformation of the attachment cover (40) which occurs in conjuction with an increase or decrease in the interval between first and second leg sections (41, 42), so as to enable the attachment cover (40) to be snap-attached to an attachment-receiving section (5) of a slider body (10). Additionally, the attachment cover (40) has at least one contact protrusion (60) that, during a condition in which the attachment cover (40) is attached to the attachment-receiving section (5) of the slider body (10), is in contact with a tab member (30) and forms a support point for elastic deformation of the tab member (30).

In a closed state of a zipper, distance from a tape-facing plane of an upper blade of a slider to a first tape at an end of a first terminal element facing a first row is different from distance from the tape-facing plane of the upper blade of the slider to the first tape at an opposite end of the first terminal element.

The utility model discloses a slider penetrating device of an invisible zipper three-in-one machine, which comprises a slider penetrating device and a stacking and overturning device, a zipper tape is fed into the stacking and overturning device for zipper tooth overturning after penetrating through the slider penetrating device, the stacking and overturning device comprises an overturning upper die and an overturning lower die, an upper overturning groove is arranged at the lower end of the overturning upper die, and a lower overturning groove is arranged at the lower end of the overturning lower die. A lower overturning groove is formed in the upper end of the lower overturning die, and the upper overturning wiping groove and the lower overturning groove are oppositely arranged so as to be combined to form an overturning channel for driving zipper teeth of the zipper tape to overturn. According to the puller penetrating device of the invisible zipper three-in-one machine, through the arrangement of the stacking and overturning device, overturning of zipper teeth of a zipper belt can be simply and effectively achieved, and then processing of the invisible zipper belt is achieved.

The utility model discloses a wear-resistant reflective zipper, which relates to the technical field of reflective zippers, and comprises a base cloth, the base cloth comprises a lining body cloth and a reflective part, the lining body cloth and the reflective part are interlaced and woven with each other, the reflective part consists of a plurality of reflective fibers, and the reflective fibers further comprise matrix fibers and bonding layers coated on the outer surfaces of the matrix fibers. The reflective effect is achieved through the high refractive index of the polymer type reflective glass beads, and the tin film layer arranged at the bottom of the polymer type reflective glass beads can further reflect external light and diffused light generated by the polymer type reflective glass beads, so that the reflective effect of the zipper is further improved; the polymer type reflective glass beads are tightly combined with the reflective layer through strong electrostatic attraction force, the reinforcing layer and the wear-resistant layer which are arranged in a matched mode have a good wear-resistant effect, the service life of the reflective zipper can be further prolonged, the falling speed of the polymer type reflective glass beads is greatly delayed, and the service life of the zipper is prolonged. And the reflective zipper can have a good reflective effect for a long time.

A slider for a slide fastener includes: a metal slider body which includes an upper blade, a lower blade, and a connecting column connecting the upper blade and the lower blade at front sides thereof, a stringer passage which allows facing side edge portions of a pair of fastener stringers to pass therethrough being formed on an inner side of the slider body; and a component which is accommodated in the slider body. The slider body includes a recess which is recessed on a surface of the slider body and in which the component is accommodated, and a dedicated vent hole which allows ventilation between an outside of the slider body including the stringer passage, which is outside the slider body, and an inside of the recess.

The utility model relates to the technical field of zippers, and particularly discloses a nylon woven double-layer tooth airtight zipper which comprises front zipper teeth, a first elastic body and a second elastic body are arranged at the bottom end of the front zipper teeth, and back zipper teeth are jointly arranged at the bottom end of the first elastic body and the bottom end of the second elastic body. The outer surfaces of one ends of the front zipper teeth and the back zipper teeth are jointly provided with a tail sealing seat, the outer surfaces of the other ends of the front zipper teeth and the back zipper teeth are jointly provided with a head sealing seat, the inner side of the head sealing seat is provided with a sealing layer, and the bottom end and the top end of the head sealing seat are fixedly connected with limiting strips; through the arrangement of the head sealing seat, the sealing layer, the limiting strip, the first elastic body, the second elastic body and the sealing convex strip, the watertight effect can be achieved when the device is used, the device has excellent waterproof and airtight performance when being bent by less than 90 degrees, and the waterproof and airtight effects are good when the device is applied to extreme weather conditions or high-pressure environments. And the performance can meet a higher sealing standard.

The invention discloses a zipper tooth sewing method, a garment with zipper teeth and a flexible bag, and relates to the field of zipper teeth. According to the zipper tooth sewing method, a zipper tooth comprises a zipper tooth body and a core wire and is sequentially provided with a traction section, a pre-sewing section and a sewing section; the sewing method comprises the steps that the traction section penetrates through a sewing station, and the pre-sewing section is located on the sewing station; overlapping the sewing section on the edge of the fabric, and aligning the sewing section with the edge; an initial traction force is applied to the traction section in front of the sewing station to drag the zipper teeth to advance, the zipper teeth and the core threads in the pre-sewing section are sewn in the process that the pre-sewing section passes through the sewing station, and the traction force is continuously applied to the zipper teeth in front of the sewing station until the sewing section passes through the sewing station; in the process that the sewing section passes through the sewing station, the sewing section and the fabric are kept to move synchronously in the extending direction; in the process that the sewing section and the fabric pass through the sewing station, the sewing section is sewn to the edge of the fabric. The problem that the sewing mode is complex and tedious is solved.

The utility model provides a sealing type reinforced zipper, which belongs to the technical field of zippers and comprises a belt body, a pair of zipper belts arranged on the belt body and zipper pullers arranged on the zipper belts, and waterproof layers capable of being sealed in two directions are arranged on two sides of each zipper belt. The two waterproof layers on the same side of the two chain belts extend oppositely and abut against each other in an interference mode to form sealing, a first sealing strip is arranged between the two waterproof layers on the outer side of the belt body and / or between the two waterproof layers on the inner side of the belt body, and the first sealing strip is connected with the sealing side of one waterproof layer on the same side. When the zipper is closed, the first sealing strip is propped between the sealing sides of the two waterproof layers; according to the zipper, the first sealing strip is arranged between the two waterproof layers, multiple sealing can be formed, the situation that when the zipper is bent, the sealing performance is reduced due to the fact that a gap appears in the bent position is particularly avoided, and the airtight performance of the zipper is greatly improved.

The puller conveying device of the puller assembling machine comprises a rotating disc, a puller conveying mechanism arranged on one side of the rotating disc and puller bearing seats annularly arranged on the rotating disc at intervals, a puller containing channel is formed in a puller guide rail, and an opening allowing a trunk head and a hook to stretch out is formed in the top of the puller containing channel. The puller conveying device comprises a puller guide rail, a puller bearing seat is arranged on the puller guide rail, a containing groove is formed in the puller bearing seat, the puller conveying mechanism comprises a pushing mechanism used for pushing a puller into the containing groove, the puller guide rail is provided with a puller containing channel, and the top of the puller containing channel is provided with an opening for a trunk head and a hook to stretch out. The puller and the clamping part can be clamped in the opening all the time, the puller with the hook can be stably conveyed to the discharging end of the puller guide rail, the puller at the discharging end is pushed into the containing groove through the pushing mechanism, and after the puller is located in the containing groove, the clamping part of the hook is located on the outer side of the puller bearing base, so that the puller with the hook is clamped in the puller bearing base. And the zipper pulls can be conveniently conveyed to the clamping part subsequently.

The utility model discloses a sewing mechanism for sewing a zipper and cutting a base fabric. The sewing mechanism comprises a needle plate, wherein the needle plate is provided with a containing groove used for containing and guiding a zipper head to move transversely and two containing holes formed in the front side and the rear side of the containing groove; the upper end of the cloth feeding frame is provided with two cloth feeding blocks, the tops of the cloth feeding blocks are provided with cloth feeding teeth, and the two cloth feeding blocks correspondingly extend into the two containing holes; the first presser foot frame is provided with two inner presser feet, and the two inner presser feet are correspondingly arranged above the two cloth feeding blocks; two machine needles are mounted on the machine needle seat, and the two machine needles correspond to the first through holes in the two inner presser feet and the second through holes in the two cloth feeding blocks up and down correspondingly; the slotting cutter is arranged above the containing groove and connected with a driving assembly driving the slotting cutter to move up and down, and when the driving assembly drives the slotting cutter to move downwards, the slotting cutter can stretch into the containing groove. According to the technical scheme, the zipper head does not need to be taken down when the zipper and the base cloth are sewn, the sewing speed of the base cloth and the zipper is increased, and the processing efficiency is improved.

The utility model discloses a universal zipper square bolt machine. A first chain belt positioning assembly, a square bolt mounting assembly and a chain belt traction assembly are arranged on a rack, and a second chain belt positioning assembly and a needle hole punching assembly are arranged between the square bolt mounting assembly and the chain belt traction assembly; the square bolt mounting assembly comprises two clamping and pushing mechanisms, each clamping and pushing mechanism comprises a pushing driving air cylinder, a pushing movable frame is arranged at the driving end of each pushing driving air cylinder, each pushing movable frame is provided with an automatic clamping jaw, and each automatic clamping jaw comprises a fixed clamping block and a movable clamping block; the universal zipper square block and bolt machine further comprises a clamping assembly, when the square block and bolt installation assembly installs a square block and a bolt to the edge of a woven belt of a zipper belt, the automatic clamping jaw keeps clamping the square block or the bolt, and the clamping assembly acts and abuts against the movable clamping block downwards; therefore, the square blocks or the plug pins are respectively and tightly pressed on the central line parts of the corresponding zippers by the movable clamping blocks. The utility model has the advantages of novel design, good stability and reliability, and strong versatility.

This invention belongs to the field of zipper machines and relates to a single-sided zipper threading machine with a top stop straight code. It includes a zipper guide platform, a zipper traction mechanism, an upper zipper head mold, and an upper stop positioning mechanism mounted on a frame. A block sensing mechanism is provided on the block zipper channel. The upper stop positioning mechanism includes a zipper guide plate and a zipper cylinder that drives the zipper guide plate to move left and right. A positioning seat is provided on the zipper guide plate, and a zipper channel is formed between the zipper guide plate and the positioning seat. The zipper channel includes a chain tooth channel and a fabric channel. A positioning pin and a positioning pin drive mechanism that drive the positioning pin to move up and down are provided on the chain tooth channel. The upper zipper head mold includes an upper zipper head cylinder and a zipper head seat. A zipper head cavity is formed on the zipper head seat. A dividing pin is fixed in front of the zipper head cavity. The vertical distance from the outer side of the dividing pin to the center line of the zipper head is greater than the vertical distance from the outer side of the zipper head to the center line of the zipper head. This device has the advantages of not damaging the chain teeth and automatically threading the zipper with a top stop straight code.

A fastener element for a slide fastener includes: a head portion forming at least one coupling protrusion, and at least one receiving area configured for receiving, in a closed condition of the slide fastener, a coupling protrusion of an adjacent fastener element. A first leg and a second leg extend from the head portion. Each leg forms a respective proximal portion where each leg joins the head portion, and a distal portion extending away from the proximal portion to a free end of the respective leg. A decoration bearing portion is formed with the second leg on an outer side thereof. A connecting portion is located on the distal portion of the second leg and integrally connects the decoration bearing portion to the second leg.

The utility model provides a metal butterfly-shaped movable top stop machine which comprises a machine frame, and a feeding mechanism and a mounting mechanism are arranged on the machine frame. The mounting mechanism comprises a mounting frame arranged on the rack, a belt pressing assembly arranged on the mounting frame and an assembling assembly. The belt pressing assembly comprises a lower die base, an upper die base and a forked stop lever, the lower die base and the upper die base are arranged on the mounting frame, the forked stop lever is slidably arranged on the lower die base, the lower die base is provided with a chain belt base and an outer lower die, the outer lower die is located on one side of the chain belt base, a cloth pushing sliding block is slidably arranged on the outer lower die, and a cloth pressing plate is slidably arranged on the upper die base. The cloth pressing plate slides in the direction close to or away from the chain belt base, the forked stop lever is arranged on the lower die base in a penetrating mode, a lever passing gap for the forked stop lever to pass through is formed between the outer lower die and the chain belt base, and the forked stop lever is matched with the lower die base in a sliding mode in the direction stretching out of or stretching into the lever passing gap. The cloth pushing sliding block is used for pushing cloth belts on the two sides of the zipper belt in the direction close to each other. The Y-shaped zipper tape pinching device has the advantage that the zipper tape can be pinched into a Y shape.

In a slide fastener, at a slider pull-up start position in which an insert pin is inserted into an insert pin insertion hole of a box body and a slider is in contact with the front surface of the box body, an engaging head portion of the rearmost element of one fastener element row approaches or comes into contact with an engaging portion provided on the insert pin.

A bottom stop assembly includes a bottom stop fixing part and a movable pin. The bottom stop fixing part includes a box fixing part and a box connecting part, and the box fixing part is provided with a pin accommodating groove. One end of the box connecting part is connected to the box fixing part, and the other end is configured to be connected to a first tape. The movable pin has a first end for being inserted into and mated with the pin accommodating groove and a second end for being connected to a second tape, and a side of the box connecting part facing the movable pin is provided with a pin guide part which is a sloped structure inclined relative to a direction from a bottom towards an opening of the pin accommodating groove.

A slide fastener slider includes: a lower member; an upper member; a cover; and a pull tab. The lower member includes a lower blade, a guide column, an upper plate portion, and an attachment column. The upper member includes a flat plate portion, an opening portion, and a placement portion. The cover includes, at an end portion thereof in the front and rear direction, an engaging portion engaged with an engaged portion provided on the attachment column. A shaft portion provided at one end of the pull tab is disposed in a space formed between the upper plate portion and the cover. The placement portion is sandwiched between the engaging portion of the cover and the upper plate portion by attaching the cover to the attachment column by engaging the engaging portion of the cover with the engaged portion of the attachment column.

A slide fastener includes a pair of left and right fastener tapes; and a pair of element rows including a plurality of fastener elements that face edge portions of the fastener tapes on sides facing each other along a length direction of the fastener tapes, and to which a slider that engages with the pair of element rows is slidably attached. The fastener element is made of a metal, a water-repellent layer made of a water-repellent agent is provided on the fastener tape, and adhesion of water to the fastener tape is prevented by the water-repellent layer.