2021results about "Slide fasteners" patented technology

The invention relates to zipper tape pre-expanding equipment which comprises a workbench, a feeding device, a pre-expanding device and a discharging device. The feeding device is provided with a synchronous conveying pressing belt, and a heating and shaping device is arranged below the conveying pressing belt. The defects that in the prior art, heating and shaping time is short, and the pre-expanding and shaping effect is poor are overcome, the zipper tape is fully heated before pre-expanding, the pre-expanding effect is good, and deformation is not prone to occurring.

The embodiment of the invention discloses a lock puller of an invisible zipper. The lock puller comprises a pulling piece, a puller body and a horse hook. A hinge part and a convex block are arranged on a first cross rod of the pull piece; a hinge groove in running fit with the hinge part and a limiting groove in limiting fit with the convex block are formed in a mold nose of the pull head body. The pull piece is installed on the puller body, the hinge part is located in the hinge groove, and meanwhile the protruding block is located in the limiting groove. When the zipper pull rotates, the hinge part rotates in the hinge groove, meanwhile, the protruding block moves in the limiting groove, when the zipper pull rotates to form a preset angle with the lower surface of the zipper head body, the protruding block can push the hook, the zipper pull continues to be rotated, the protruding block pushes the hook to be separated from the zipper teeth, and the zipper head body is unlocked. In the rotating process of the zipper pull, part of the protruding block is located in the limiting groove all the time, the limiting groove can limit the protruding block all the time, the zipper pull is limited to move in the axis direction of the first transverse rod, then shaking of the zipper pull in the overturning using process is reduced, and the using effect of the invisible zipper is improved.

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 utility model discloses an explosion-proof sub-chain, which relates to the technical field of clothing accessory manufacturing, and comprises a plurality of sub-piece teeth arranged at intervals, the sub-piece teeth comprise first teeth and second teeth which are arranged in a staggered manner, and each of the first teeth and the second teeth comprises a sub-tooth base and a connecting part arranged on the sub-tooth base, the connecting part divides the sub-tooth base into a first sub-tooth base and a second sub-tooth base, the first tooth further comprises a first protruding part which is located above the first sub-tooth base and is connected to the end part of the connecting part, and the second tooth further comprises a second protruding part which is located above the second sub-tooth base and is connected to the end part of the connecting part. According to the arrangement, the first teeth and the second teeth are arranged in a staggered mode, so that chain explosion of the teeth caused by mutual extrusion of the teeth when the sub-chains are bent inwards can be avoided.

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

The present invention belongs to the field of zipper machines, and relates to a single-sided chain threading machine with an upper stop straight code, comprising a chain belt guiding platform, a chain belt traction mechanism, an upper pull head mold and an upper stop positioning mechanism arranged on a frame, a square sensing mechanism is arranged on the square chain belt channel, the upper stop positioning mechanism comprises a belt-passing plate and a belt-passing plate cylinder for driving the belt-passing plate to move left and right, a positioning seat is arranged on the belt-passing plate, a belt-passing channel is formed between the belt-passing plate and the positioning seat, the belt-passing channel comprises a chain tooth channel and a cloth belt channel, a positioning pin and a positioning pin driving mechanism for driving the positioning pin to move up and down are arranged on the chain tooth channel; the upper pull head mold comprises an upper pull head cylinder and a pull head seat, a pull head cavity is formed on the pull head seat, a minute pin is fixed in front of the pull head cavity, the vertical distance from the outer side of the minute pin to the center line of the pull head is greater than the vertical distance from the outer side of the pull head to the center line of the pull head, the device has the advantages of not causing damage to the chain teeth and being able to complete automatic chain threading of the chain belt of the upper stop straight code.

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).

The utility model discloses an X-shaped zipper notch positioning mechanism which comprises a stop lever, the stop lever is connected with a stop lever power device, and the stop lever power device drives the stop lever to be close to / away from a zipper. After the stop lever power device drives the stop lever to be close to the zipper cloth belt of the blank section of the zipper, the protruding part of the advancing zipper cloth belt can make contact with the stop lever. The retainer of the zipper is scraped by the stop lever, so that the notch of the double-opening zipper is positioned, the positioning effect is good, stability and reliability are realized, and the applicability is wide. Meanwhile, the two zipper cloth belts do not need to be drawn close to the middle, and zipper deformation is avoided.

According to the zipper head assembling machine, a disc and a positioning seat are arranged on a rack, and a zipper pull conveying device, a zipper pull conveying device, a hook conveying device, a riveting device and a discharging device are correspondingly arranged on the rack, so that a zipper pull, a zipper pull and a hook can be sequentially conveyed to the positioning seat and then assembled on the positioning seat; and compared with existing manual assembly, the automation degree is high, the working efficiency is higher, the defective rate is lower, and large-scale production of enterprises is facilitated.

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 quick-detachable zipper slider includes a first clamping plate, a second clamping plate, and an elastic pin assembly. The first clamping plate is extended towards the second clamping plate to form a connecting part, the second clamping plate is pivotally connected to the connecting part, and the second clamping plate has a clamping position and a releasing position. The connecting part has a locking hole, and the elastic pin assembly is located on the second clamping plate and has a movable pin. When the second clamping plate is in the clamping position, the pin is inserted into the locking hole, and the pin is withdrawn from the locking hole to allow the first clamping plate to rotate relative to the second clamping plate. The zipper slider has easy assembly and simple structure.

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.