DE2027922A1 - Flat fastener - Google Patents

Description

DI PL.-I N G. HARRO GRALFS PATENT ADVOCATE

33 BRAUNSCHWEIG

AM BÜRGERPARK 8 TELEPHONE (0531) 24598

5ο June 1970 B 806 - G / Lie

George Charles Brumlik 154- Upper Mountain Avenue Montclair, New Jersey USA

! Surface fastener

The invention relates to adhesive fasteners, in particular to Adhesive fasteners for the detachable connection of textiles and the like commercially available materials.

Surface fasteners, in the following also fasteners for short called, are known in many embodiments »They are used in particular for the detachable fastening of textiles and the like. A typical example of such closures consists of strips of fabric arranged in pairs, which in turn are directed towards the connecting materials are attached. In this closure there are several rows of small, vertically protruding open plastic loops attached to the exposed surface of one of the strips, while small matching strips are attached to the mating strip Plastic hooks are attached, and when both opposite strips are pressed together, the hooks of one strip come off

109851/0091

BANK: DEUTSCHE BANK AG .. BRAUNSCHWEIG. CONFO NO. 0.1 J 017 88 POSTSCHECK.! HANNOVER 26 16 61

- 2 - - ■ -. ■■ '.. ■

with the opposite loops of the other. Strip. "In engagement, so that the two opposite strips are connected. The opposing strips can be separated by pulling them apart, the hooks mentioned at the beginning emerging from the loops that cooperate with them to solve. .

The above-mentioned fastener has a good adhesive effect on, however, the manufacturing cost is relatively high, It is It is also necessary that both surfaces to be connected are provided with sealing strips in order to enable an adhesive effect.

The object of the invention is to provide a closure that is relatively cheap and easy to manufacture and only on one of the to be arranged to be interconnected surfaces needs when the opposite surface penetrates) ar «.

The object is achieved according to the invention by the use of a flexible fiber, which is characterized in that of the Fiber rows of sharp, integral with it Hooks protrude that hook the fiber at a distance from each other are distributed over the entire length of the fiber and that each hook protrudes substantially perpendicularly from the fiber body and has a free end which is bent in the direction of the fiber axis is. - "'". . ": .."

A surface fastener according to the invention is characterized that it consists of a plurality of flexible fibers, wherein each fiber contains an elongated body, a number of which

109851/0091

_ 5 -

sharp hook protrudes, the hooks of the fiber in spatial Distances are distributed over the length of the fiber body. the Fibers can be spun into threads that are woven or felted with one another. However, the fibers can also be directly become matted.

The invention is shown in the drawing in an exemplary embodiment and in detail below with reference to the drawing described.

Show it:

Figure 1 is a perspective view of a pressed plastic profile corresponding shape, from which a variety of fibers can be made, which thus from one Contain pieces of existing fastening elements, which are part of a releasable adhesive fastener according to the Invention are

Figure 2 is a view of a fiber with a plurality of it One-piece fasteners as part of a releasable connection, the fiber has been produced by cutting the pressed plastic profile according to Figure 1 and after Cutting a treatment to partially open the hook has been carried out,

FIG. 3 shows a piece of yarn in an enlarged Malistab, spun from a multitude of fibers as shown in FIG is, the hooks are shown in the closed state

10985 1/009 1

Figure ~ $ a, in a view on an enlarged scale, a piece of yarn similar to Figure 3 after a corresponding treatment for opening the hook,

FIG. 4 is a plan view of a piece of fabric that has been woven by weaving a plurality of threads according to Figure J has been produced, after which a corresponding treatment for partial opening of the hook has occurred,

Figure 5 is a plan view of a piece of material or a Surface created by felting the threads according to FIG has been made, after which a corresponding treatment has been carried out to partially open the hooks,

FIG. 6 shows a modified one in a view on an enlarged scale Embodiment of a fiber provided with fasteners, which by chopping or cutting a pressed plastic profile can be produced,

Figure 7 in a view of the fiber according to Figure 6, after this has been treated accordingly in order to erect the shaft sections so that the hooks from the shaft in stick out in the open position,

FIG. 8 shows, in a view on an enlarged scale, a further embodiment of one provided with fastening elements Fiber obtained by chopping or cutting an extruded plastic profile of the appropriate shape

10 9 8 5 1/0091

can be produced, and

Figure 9 'in a view of the fiber according to Figure 8 after a appropriate treatment to open the hooks.

FIG. 1 shows an extruded plastic strip which is provided on both sides with rows of ribs 12 and 14, respectively. Ribs have a blunt and a relatively sharp edge 24 which, starting from the strip 10, extend upwards and downwards. In a preferred exemplary embodiment, the ribs 12 according to FIG. 1 are spatially offset with respect to the ribs 14.

By chopping or cutting a plastic profile like For example, the profile 10, in very thin sections, as shown by cutting lines 16, adhesive fibers according to the invention be produced, for example a fiber 18 (see Figure 2). As shown in Figure 2, the fiber 18 initially has the shape of the pressed plastic profile 10. It contains an elongated body 20, the width of which corresponds approximately to the thickness of the plastic strip 10. It also contains rows of inwardly bent hooks 22 which correspond to the shape of the ribs 12 and 14, respectively. The hook 22 can be of a closed State, as it is present in the profile of the strip 10 according to FIG. 1, is deformed to a partially open state according to FIG. 2 will. This can be caused by heat, mechanical or chemical treatment can be achieved. The degree of opening of the hook can be determined by the intensity of the heat, mechanical or chemical Treatment to which the hooks are exposed can be affected. It should be noted that "the fiber 18 is of the strength of a conventional Fiber, so that both the shafts 20 and the open

1/00 ^ 1-

Neten hook 22 is relatively flexible. Therefore can be a multitude of fibers 18 are spun into a yarn on simple tfeist, which is then woven or matted, as described below.

When the hook 22 is closed, the fibers 18 can be spun into a yarn 26 (see FIG. 3), which is then a Is subjected to heat treatment, mechanical or conventional treatment, whereby the hooks 22 are opened, as in Figure 3a shown. The yarn 26 can be processed in various ways. For example, a single thread in Textiles are woven in, with the open hooks of the thread causing the effect of a zipper. In Another embodiment according to the invention can be a A plurality of threads 26 with open hooks 22 can be processed into a felt 28 from which the hooks 22 protrude according to FIG. When the threads 26 are pressed together, the flexible hooks 22 grip adjacent threads and thus form a felt layer according to FIG Figure 5

In a further embodiment according to the invention can a plurality of fibers 18 are entangled with open hooks 22, the hooks 22 engaging the bodies 20 of adjacent fibers and thus form a felt 18 (not shown) which is constructed similarly to that formed from the threads according to FIG Felt. It is still possible to use a large number of threads or Arrange fibers loosely in a tangle with closed hooks and then treat it appropriately so that the hooks stand up, creating a matted surface.

10985 1/009

In a further embodiment according to the invention a plurality of threads 26 with closed hooks 22 into one Woven fabric. This is then subjected to a chemical treatment or a heat treatment, so that the hooks 22 partially open. A fabric 30 is then produced (see FIG. 4-).

The adhesive material produced by felting individual fibers 18 (not shown) by felting the threads 26 according to FIG. 4 or by weaving the threads 26 according to FIG. 4- can be brought to the surface of one of the objects to be connected in a corresponding manner, for example by tacking on, by utilizing the adhesive effect of the material or by sticking. A particular advantage of this material according to the invention is that it, on a soft or sensitive Gegenstana can be attached by utilizing its adhesive effect, without the need for additional fasteners required are. If the counter material to be detachably fastened consists of fibers such as 7 / imitation leather, plastic, foam, Felt or the like, the fastening material according to the invention covers the counter material if both materials are sufficient are strongly compressed so that the erected hook 22 oils fibers of the counter material can grasp. Does it If the counter material is a soft medium or a medium which is impenetrable from the fastening elements, fastening strips according to the invention are accordingly applied to both halves of the breech. When both surfaces are pressed together, the hooks 22 grip the threads 26 or the fiber shafts 20 of the opposite strip or additionally also the hooks 22.

The further embodiments according to the invention, as shown in Figures 6 to 9, serve as an example of the

10 9 8 5 1/0091

different profiles in which the protruding hooks are carried out could be.

In the embodiment shown in Figure 6 according to the In accordance with the invention, the pasers J2 can be cut or chopped a corresponding pressed plastic profile (not shown) can be produced, the cross section of which corresponds to the shape of the fiber 32 corresponds, as was also the case in the exemplary embodiment according to FIGS. 1 and 2 described above. The fiber 52 contains an elongated body 34 ·, of which sharp hooks 36 on both sides stick out. These are arranged at certain intervals over the entire length of the body 34-. Each hook 36 has at least 1 pair of curved sharp barbs 38 attached to the shank portion 4-0 of the hook 36 point in opposite directions, with the tip 4-2 of each hook 38 inwardly the shaft section 4-0 is directed.

As with the description of the fibers 18 according to FIG. 2 mentioned, the fibers 32 can be subjected to a heat treatment, a mechanical treatment or a chemical treatment so that the hooks 36 and the barbs protruding therefrom 38 stand up according to Figure 4-. The fibers 32 can after this Treatment similar to that described above, to be matted. The end product is similar to the felt material 28 according to FIG.

In another method, the fibers 32 can be closed Hooks according to Figure 6 are spun into threads, which are then woven. This is followed by a heat treatment or a chemical treatment so that the hooks 36 and the barbs 38 straighten up, as already mentioned above in connection with the

10 9 8 5 1/0091

Figures 3 and 4 described. Similarly, the Pasern 32 or the threads consisting of it are subjected to a corresponding treatment prior to the felting process in order to a material similar to that shown in FIG.

In the exemplary embodiment according to FIG. 8, the fibers, for example represented by a fiber 44, can be chopped or Cutting up a plastic profile (not shown) is more appropriate Form can be produced as described above. The fiber 44 includes an elongated body 46, one of which is sharp Hooks 48 protrude on both sides. The hooks have a point 50 on. They are curved with the tip of the hook facing the body 46.

In a manner similar to that described above, the fibers 44 be exposed to a heat or chemical treatment, so that the hooks 48 stand up in accordance with FIG. The fibers 44 can then be felted particularly well. The felting process proceeds in a manner similar to that described in connection with FIG. The fibers 44 can, in turn, in another exemplary embodiment with closed hooks 48 according to FIG. 8, to form threads, similarly the thread shown in Figure 3, are spun. The threads can then be woven and subjected to a heat treatment, mechanical Treatment or chemical treatment, causing the hooks 48 to open. The threads can also be used before processing to open the hook 48 are treated. After that they will similar to the manner described in connection with FIG. 5 felted to form a fastening material.

109851/0091

Claims (1)

Patent claims Flexible fiber for the production of an adhesive fastener, characterized in that rows of sharp, with her one-piece hook protrude that the hooks of the fiber at distances from each other over the entire length of the fiber Length of fiber are distributed and that each hook is essentially ' borrowed protrudes perpendicularly from the fiber body and has a free end which is bent in the direction of the fiber axis is. 2. Adhesive fiber according to claim 1, characterized in that of curved barbs protrude from each of the hooks. Surface fastener for releasable connection with a penetrable Counter material, characterized in that it consists of a plurality of flexible fibers, each fiber contains an elongated body from which a series of sharp hooks protrude, the hooks of the fiber being spaced apart are distributed over the length of the fiber body. 4, surface fastener according to claim 3 »characterized in that that the adhesive material is made by interweaving threads consisting of the fibers. Surface fastener according to claim 4, characterized in that the adhesive material is formed by felting threads which come from the Fibers are made. 10 9 8 5 1/0091 6. Surface fastener according to. Claim 4-, characterized in that that the adhesive material consists of matted fibers » 109851/0091 AU Blank page