Method for producing a channel shaped trim

Details Method for producing a channel shaped trim Method for producing a channel shaped trim

1980-04-28

1982-06-08

Mehr, Milton S.

Metal working

Method of mechanical manufacture

Obtaining plural product pieces from unitary workpiece

27417, 275274, 156200, 156211, 15624412, 156257, B32B 3116

Patent

active

043332218

ABSTRACT:
A method for producing a channel-shaped trim including a core member embedded within a covering material and having a longitudinally extending opening for embracing and clamping an edge flange of a support member comprising the steps of perforating a plurality of transversely extending slits of which length is made larger at predetermined intervals in a band-shaped metallic plate to form unslit connecting portions of which width is made narrower at predetermined intervals in both side end portions thereof, rolling the unslit connecting portions in a longitudinal direction thereof to form a core member, covering the core member with a covering material, breaking the core member in the narrower connecting portions to divide into a plurality of core pieces, and bending the covered and divided core member into a desired cross-sectional shape of the opening.

REFERENCES:
patent: 2761202 (1956-09-01), Beare
patent: 3222769 (1965-12-01), Le Plae
patent: 3780152 (1973-12-01), Friesner

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