Improvements to press pads

B - Operations – Transporting – 30 – B

Patent

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Details

B30B 15/06 (2006.01) H05K 3/02 (2006.01)

Patent

CA 2333722

A press pad for use in a laminating press and in particular in a high pressure, short cycle press comprises a woven fabric (12) of heat resistant strands wherein at least one of the warp (13) and the weft (14) comprises metal strips (15). Preferably, the warp (13) wholly comprises a series of unannealed copper or brass strips (15) which advantageously have a thickness between 0.1 mm and 0.15 mm inclusive and are between 4.0 mm and 5.0 mm inclusive wide. The weft (14) preferably comprises threads which have a silicone covering (17), which is advantageously at least 0.2 mm in thickness.

La présente invention concerne un coussinet de pression destiné à une contrecolleuse et en particulier, à une contrecolleuse à haute pression et cycle court. Le coussinet de l'invention comprend une étoffe tissée (12) dans des fils résistant à la chaleur, les fils de chaîne (13) ou les fils de trame (14) au moins comprenant des rubans métalliques (15). De préférence, les fils de chaîne (13) sont entièrement composés d'une série de rubans de laiton ou de cuivre non recuit (15) présentant une épaisseur comprise entre 0,1 et 0,15 mm et une largeur comprise entre 4,0 et 5,0 mm. De préférence, les fils de trame (14) comprennent des fils revêtus de silicone (17) d'une épaisseur d'au moins 0,2 mm.

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