Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1989-08-11
1992-06-23
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
425468, 425577, 29883, B29C 4536
Patent
active
051241080
ABSTRACT:
Terminals having rectangular post sections of very small dimension are secured in housing passageways of an electrical connector, which passageways are molded using core pins larger in dimension than said very small dimensioned terminal post sections, so that the oversized core pins are robust and endure repeated molding cycles. End sections of the core pins have the very small dimension of the terminal post sections and the passageways have constricted end sections which precisely locate the terminal post section along the connector mating face. An increased terminal width at the insertion face creates an interference fit within the passageway for retention. The core pin has a strength rib along most of one side and the forward rib end is tapered to the reduced-dimension pin end section which results in a tapered passageway transition surface to eliminate terminal stubbing during insertion. The rib has tapered side surfaces therealong extending to the adjacent side surfaces of the otherwise rectilinear core pin, and the resulting tapered surfaces along the molded passageway tend to urge the terminal post section during insertion towards the opposing side wall assisting axial alignment of the terminal post section.
REFERENCES:
patent: 3255427 (1966-06-01), Yeiser
patent: 3545606 (1970-12-01), Bennett et al.
patent: 3559249 (1971-02-01), Patton, Jr.
patent: 3747047 (1973-07-01), Carter et al.
patent: 4334727 (1982-06-01), Scheingold et al.
patent: 4359252 (1982-11-01), Olsson et al.
patent: 4786256 (1988-11-01), Angeleri et al.
AMP Data Sheet No. 77-446 Revised Apr. 1978 pp. 14-179, AMP Inc. Harrisburg, Pa.
AMP Catalog 79-552 Revised Jun. 1982 p. 5 AMP Inc. Harrisburg, Pa.
Bennett Glenn E.
Urgo Donald F.
AMP Incorporated
Heitbrink Jill L.
Ness Anton P.
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