Method for manufacturing a laminate having at least one...

Details Method for manufacturing a laminate having at least one... Method for manufacturing a laminate having at least one...

B - Operations, Transporting

31

F

154/72.13

B31F 1/24 (2006.01) A44B 18/00 (2006.01) A61F 13/62 (2006.01) B29C 65/00 (2006.01) B29C 65/02 (2006.01) B29C 65/18 (2006.01) B31F 1/22 (2006.01) B32B 3/28 (2006.01) B32B 29/08 (2006.01) B32B 37/14 (2006.01) B32B 37/16 (2006.01)

Patent

CA 2020731

ABSTRACT OF THE DISCLOSURE A method for producing a laminate having at least one pleated lamina is disclosed. The method uses an apparatus having two rolls defining a nip, with at least one of the two rolls having circumferentially oriented grooves. The laminae are forwarded through the rolls in face to face relation. One lamina is pleated and the pleats are transversely registered with the circumferential grooves of the grooved roll as the laminae pass through the nip. The laminae may be autogenously or adhesively joined to produce the unitary laminate.

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