Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1977-02-25
1978-09-19
Hoag, Willard E.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
249 59, 249 89, 249 95, 425127, 425129R, 425438, 425808, 264275, 264318, B29C 500, B29D 2302, B29F 100
Patent
active
041155050
ABSTRACT:
A die cavity is delineated by the surfaces of a pair of die members and the threaded surface of a first of a pair of thread engageable members, one of the die members thread engaging a part of the threaded surface. A synthetic polymeric resin is injection molded in the cavity to produce a second member in precise thread engagement with the first member and the cavity is then opened to release the thread engaged members.
REFERENCES:
patent: 536343 (1895-03-01), Harrington
patent: 1476717 (1923-12-01), Kandler et al.
patent: 2347737 (1944-05-01), Fuller
patent: 2928764 (1960-03-01), Magoon
patent: 2945266 (1960-07-01), Mainardi
patent: 3361174 (1968-01-01), Bedford
patent: 3776676 (1973-12-01), Kessler
patent: 3971841 (1976-07-01), Rubinstein
Hoag Willard E.
Minolta Camera Kabushiki Kaisha
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