Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1991-08-28
1993-10-05
Epstein, Henry F.
Metal working
Method of mechanical manufacture
Assembling or joining
294695, 295271, 26417720, 428122, 428358, E06B 716
Patent
active
052493539
ABSTRACT:
A method for producing a sealing profile, such as for a motor vehicle, includes integrally extruding a profile with longitudinal regions, a clamping region of a compact elastomer, a U-shaped slit metal insert, and a sealing region of sponge rubber. The longitudinal regions are prestretched causing permanent stretching of the metal insert prior to bending the profile around narrow radii without creasing. The sealing profile includes a clamping region of a compact elastomer, a U-shaped slit metal insert, and a sealing region of sponge rubber coextruded integrally with the clamping region. The metal insert may be permanently prestretched in segments.
REFERENCES:
patent: 4114320 (1978-09-01), Pullan
patent: 4381273 (1983-04-01), Azzola
patent: 4830898 (1989-05-01), Smith
patent: 5009947 (1991-04-01), McManus et al.
Epstein Henry F.
Greenberg Laurence A.
Lerner Herbert L.
Metzeler Automotive Profiles GmbH
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