Method of manufacturing molded top stop

Details Method of manufacturing molded top stop Method of manufacturing molded top stop

1977-05-27

1979-08-07

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264163, 264252, 264275, 425814, B29D 500, B06B 300

Patent

active

041637682

ABSTRACT:
Molded top stops for a slide fastener have inner edges extending substantially in alignment with the inner edges of the interlocking elements and have bottom edges extending at acute angles upward and away from the interlocking elements. Further, during the molding of the top stops, extra interlocking element sections and the like are trimmed by trimming edge features on a horn tip cooperating with an anvil portion of a die.

REFERENCES:
patent: 3436006 (1969-04-01), Cole
patent: 3489829 (1970-01-01), Lipfert
patent: 3813459 (1974-05-01), Potin
patent: 3872552 (1975-03-01), Hofius
patent: 3906594 (1975-09-01), Takahasi
patent: 3975474 (1976-08-01), Leblanc
patent: 4026974 (1977-05-01), Moertel
patent: 4043858 (1977-08-01), Dantowitz

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