B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 43/36 (2006.01) B29C 33/38 (2006.01) B29C 33/40 (2006.01) B29C 43/40 (2006.01) B60R 13/08 (2006.01) D04H 1/00 (2006.01)
Patent
CA 2532785
An apparatus for making pressed nonwoven articles, which apparatus has first and second die members that are arranged to move towards each other. The first die has a support surface for supporting a blank material, and the second die has a press surface for pressing the blank material. The pressing step occurs when the two dies are disposed in an operation position. The support surface has a support surface material that has a first hardness, and the press surface has a press surface material that has a second hardness. The first and second hardnesses are different from each other. The apparatus and method of the invention enable blank articles to pressed and/or cut as intended without risk of having unpressed or uncut portions.
L'invention concerne un appareil qui permet de fabriquer des articles non tissés pressés et qui comprend un premier et un second éléments de matrice conçus pour se déplacer l'une vers l'autre. La première matrice comporte une surface de support qui permet de supporter un matériau d'ébauche et la seconde matrice comporte une surface de presse qui permet de presser le matériau d'ébauche. L'étape de pressage a lieu lorsque les deux matrices sont disposées dans une position de fonctionnement. La surface de support comporte un matériau de surface de support qui présente une première dureté et la surface de presse comporte un matériau de surface de presse qui présente une seconde dureté. La première et la seconde duretés sont différentes l'une de l'autre. L'appareil et le procédé selon l'invention permettent de presser et/ou de découper des ébauches d'articles conformément aux prévisions, en éliminant les risques d'obtenir des parties non pressées ou non découpées.
Koyama Kiyonori
Makino Tetsuya
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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