Method for making a core plate having multiple friction material

Details Method for making a core plate having multiple friction material Method for making a core plate having multiple friction material

1997-05-07

1999-04-27

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156257, 156299, 156518, 156521, 156251, B32B 3100

Patent

active

058977376

ABSTRACT:
A method for making a core plate (42) having multiple friction material segments (54) on the surface where the method includes the use of a die (24). Friction material (34) is first trimmed to conform to die (24) and is then fed into die (24). Die (24) then cuts friction material (34) to form a leading edge (57) where fibers in friction material (34) at leading edge (57) are positioned in a direction toward core plate (42). Friction material (34) is then fed through die (24) which cuts a trailing edge (55) in friction material (34) where fibers in friction material (34) at trailing edge (55) are positioned in a direction toward core plate (42). Cutting of trailing edge (55) is a common cut along trailing edge (55) of a leading segment (54) and leading edge (57) of an immediately following segment (54) such that formation of segments (54) is substantially scrapless with respect to friction material (34). Segment (54) is then positioned on an adhesive (43) on core plate (54) where the fibers at leading and trailing edges (57) and (55), respectively, are positioned in adhesive (43). Core plate (42) is then rotated and the above steps are repeated until a predetermined number of segments (54) are positioned on core plate (42).

REFERENCES:
patent: Re30528 (1981-02-01), Off et al.
patent: 4260047 (1981-04-01), Nels
patent: 4878282 (1989-11-01), Bauer
patent: 5094331 (1992-03-01), Fujimoto et al.
patent: 5571372 (1996-11-01), Miyaishi et al.

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