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1. WO2022003580 - PROCESS FOR MAKING AN INSOLE OR FUSSBET FOR SHOES AND RESPECTIVE INSOLE OR FUSSBET

Publication Number WO/2022/003580
Publication Date 06.01.2022
International Application No. PCT/IB2021/055844
International Filing Date 30.06.2021
IPC
A43B 17/00 2006.1
AHUMAN NECESSITIES
43FOOTWEAR
BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
17Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
A43B 17/14 2006.1
AHUMAN NECESSITIES
43FOOTWEAR
BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
17Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
14made of sponge, rubber, or plastic materials
B29D 35/14 2010.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
35Producing footwear
12Producing parts thereof, e.g. soles, heels or uppers, by a moulding technique
14Multilayered parts
B29C 39/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
39Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
B29C 44/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
44Shaping by internal pressure generated in the material, e.g. swelling or foaming
Applicants
  • NEW AND BEST H.F. S.R.L. [IT]/[IT]
Inventors
  • DORONZO, Michele
Agents
  • FABIANO, Piero
Priority Data
10202000001612303.07.2020IT
Publication Language English (en)
Filing Language Italian (IT)
Designated States
Title
(EN) PROCESS FOR MAKING AN INSOLE OR FUSSBET FOR SHOES AND RESPECTIVE INSOLE OR FUSSBET
(FR) PROCÉDÉ DE FABRICATION D'UNE SEMELLE INTÉRIEURE OU DE FUSSBET POUR CHAUSSURES ET SEMELLE INTÉRIEURE OU FUSSBET RESPECTIVE
Abstract
(EN) Process for making an insole and/or fussbet (10) composed of at least two components of foamable polyurethane and/or thermoplastic polyurethane materials having different density, comprising the steps of: - casting in a first mould (20) a first foamable polyurethane and/or thermoplastic polyurethane material with a Shore A hardness greater than 25 to make a first supporting element comprising at least one hull-shaped portion extending for at least 40% of the first supporting element (2) at a rear portion of said first supporting element (2); said hull- shaped portion (4) comprising a cavity defined at least partially by perimeter edges having a height greater than 2 mm; - closing the first mould (20) with a lid (20'); - opening said first mould (20) after at least one stabilisation time of at least 120 seconds; - extracting the first supporting element (2) from said first mould (20); - inserting the first supporting element (2) into a second mould (21); - casting in said second mould (21) a second foamable polyurethane and/or thermoplastic polyurethane material with hardness less than at least 15 % with respect to the hardness of the first foamable polyurethane and/or thermoplastic polyurethane material so that said hull-shaped portion (4) of the first supporting element (2) accommodates, at least partially, said second foamable polyurethane and/or thermoplastic polyurethane material to make a second supporting element (3) coupled to the first supporting element (2).
(FR) La présente invention concerne un procédé de fabrication d'une semelle intérieure et/ou de fussbet (10) composée d'au moins deux composants de polyuréthane expansible et/ou de matériaux de polyuréthane thermoplastique ayant une densité différente, comprenant les étapes consistant à : couler dans un premier moule (20) un premier polyuréthane expansible et/ou un matériau polyuréthane thermoplastique ayant une dureté Shore A supérieure à 25 pour fabriquer un premier élément de support comprenant au moins une partie en forme de coque s'étendant pour au moins 40 % du premier élément de support (2) au niveau d'une partie arrière dudit premier élément de support (2) ; ladite partie en forme de coque (4) comprenant une cavité définie au moins partiellement par des bords périphériques ayant une hauteur supérieure à 2 mm ; fermer le premier moule (20) avec un couvercle (20') ; ouvrir ledit premier moule (20) après au moins un temps de stabilisation d'au moins 120 secondes ; extraire le premier élément de support (2) dudit premier moule (20) ; insérer le premier élément de support (2) dans un second moule (21) ; couler dans ledit second moule (21) un second polyuréthane expansible et/ou matériau polyuréthane thermoplastique ayant une dureté inférieure à au moins 15 % par rapport à la dureté du premier polyuréthane expansible et/ou matériau polyuréthane thermoplastique de sorte que ladite partie en forme de coque (4) du premier élément de support (2) reçoit, au moins partiellement, ledit second polyuréthane expansible et/ou matériau de polyuréthane thermoplastique pour former un second élément de support (3) couplé au premier élément de support (2).
Latest bibliographic data on file with the International Bureau