Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
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.
Borg-Warner Automotive Inc.
Dziegielewski Greg
Gray Linda L.
Simmons David A.
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