Lining for footwear

Details Lining for footwear Lining for footwear

A - Human Necessities

43

B

A43B 5/04 (2006.01)

Patent

CA 2204646

A comfort lining (1) with a filler (5) made of foam having thermoplastic properties so that it can adjust and/or adapt to the specific volume of the wearer's foot once it has been heated to its thermoforming temperature. The lining (1) as a whole is preformed so that it has an initial fitting volume corresponding to a given size standard, and the filler (5) consisting of foam made from at least one thermoplastic material is thermally compressed and microperforated (10). The microperforations (10) provide the filler (5) with a degree of resilient compressibility and flexibility as well as a degree of permeability, thus making the filler comfortable enough to wear as it is and capable of being reheated and thermoformed, given that heat is quickly and thoroughly diffused through the microperforations.

L'invention concerne une garniture de confort (1) pourvue d'un élément de calage (5) en mousse présentant des qualités thermoplastiques la rendant apte à s'ajuster et/ou s'adapter, après qu'elle a été chauffée à sa température de thermoformage, au volume spécifique du pied de l'utilisateur. La garniture (1) dans son ensemble est préformée à un volume de chaussant initial correspondant au standard d'une pointure donnée, et son élément de calage (5), constitué d'une mousse réalisée à partir d'au moins un matériau thermoplastique, est thermocompressé et micro-perforé (10). Les micro- perforations (10) confèrent à l'élément de calage (5) une certaine souplesse et compressibilité élastique, ainsi qu'une certaine perméabilité le rendant suffisamment confortable pour être utilisé tel quel, et apte à être aisément thermoformé par réchauffage, du fait de la diffusion rapide et en profondeur de la chaleur à travers les micro-perforations.

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