Buckles – buttons – clasps – etc. – Trim molding fastener
Patent
1990-02-09
1991-04-23
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Trim molding fastener
24414, A44B 1932
Patent
active
050089862
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to slide fasteners fitting footwear or protective garments, particularly sporting shoes and cross-country ski shoes or boots.
The usage of slide fasteners, because of their practical usage characteristics, is now widespread; it can particularly be recalled that such fasteners are easy to manipulate for their opening, and that the mounting of the fastener avoids the covering of the quarters of the shoe or boot which are folded on the foot of the wearer as is the case in fasteners of the "hook-loop" type or with buttoning: by way of example, the shoe or boot model "CS 420" presented in the catalog "TRAK 86-87" can be cited as well as the shoe or boot disclosed in the patent for Italian industrial model No. 193 252 where the fastening is of the "hook-loop" type. As can be seen in these shoes or boots, the quarter of the upper which ensures the fastening on the foot widely covers the opposite quarter on which it hooks. In such embodiments, not only the necessity of covering the quarters leads to an additional furnishing of implemented materials, and thus an elevated cost, but this covering of the quarters affects the suppleness of the upper because of their superimposition which substantially doubles the thickness of the wall of the upper in this fastening zone. For these different reasons, the slide fasteners have very often been preferred to other types of fasteners because they make it possible to abut in a single plane the parts to be assembled, and to eliminate as a result, any excessive thickness of the wall; by way of example, the shoes or boots described in the British Pats. Nos. 531 776 and 380 909, the French certificate of usage No. 2 549 701, and U.S. Pats. Nos. 2,444,640 and 2,970,390 can be cited which exactly use slide fasteners. The shoes or boots illustrated in these documents have at least one slide fastener, joined or not joined to a lacing device, positioned on the upper front part of the upper of said shoes or boots. These slide fasteners generally constituted of teeth, spirals, etc. successively engaging with one another to ensure the joining of the walls of the shoe or boot, are universally oriented along the longitudinal axis of the shoe or boot or parallel thereto. In the particular embodiment of U.S. Pat. No. 2,444,640, the fastener surrounds the upper front part of the upper and retains the latter on the lower part of the upper.
These shoes or boots offer an undeniable convenience of usage for operations of insertion and removal. However, they have the significant disadvantage of being relatively unsealed in the zone for hooking their teeth, spirals, etc.; in fact the hooking of the latter between them is carried out by nesting; it is necessary to make use of a functional play which, in an inherent manner, constitutes a permeable zone. In addition, the slide fasteners being relatively deformable in the longitudinal direction of their mounting, they curve during flexions of the foot so that any obstacle is removed from the access to their hooking zone at the location of their raised curves and increase the functional play between the teeth or spirals, thus favoring permeability to water, the incrustation of snow, ice, even dirt.
The present invention aims to eliminate the disadvantages due to the flexion of the upper during the bending of the foot which were evoked with these slide fasteners by eliminating, on the one hand, risks of local deteriorations of the fastener at the level of the raised parts, and on the other hand, by guaranteeing an optimal seal, to dirt as well as snow and water.
To do this, the present invention relates to a slide fastener for footwear or protective garment whose fastener constituted of two support tapes of a chain of teeth and a slide is mounted on a part of said article or garment whose two edges are to be brought together and is characterized by the fact that the chains of teeth are connected to their respective support tapes such that they are located raised on the single side of said tapes intended to be turned towards t
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A Copy of the French Search Report.
A Copy of the International Search Report.
German language abstract of German Patent No. 8,203,280.
Laudet Jean-Luc
Rullier Pierre
Sakran Victor N.
Salomon S.A.
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