Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With product ejector
Patent
1985-10-24
1987-08-18
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With product ejector
249 63, 249 68, 249142, 249151, 2642711, 2643281, 425468, 425577, B29C 4536, B29C 4540
Patent
active
046874348
ABSTRACT:
The molding apparatus of this invention produces a one-piece molded unit that provides a two-piece plastic fastener whereof one piece is a grommet having a head with a flat front surface and forwardly projecting legs defining a sidewardly and forwardly opening slot, and the other piece is a pin receivable through the head and forwardly slidable in the slot to an operative position holding the front ends of the legs flexingly diverged. As molded, a front end portion of the pin is connected with the head by a frangible flashing. A forwardly opening radially extending groove in the front of the head, opening from one side of the slot, defines a substantially flat forwardly facing groove surface that is rearwardly offset from and parallel to the front surface of the head and is flush with the front end surface of the pin. The molding apparatus comprises two die members, each having a flat surface to which opens a cavity defining one longitudinally extending half of the unit that includes a half of each leg. An elongated core element, lengthwise movable in mold-opening and mold-closing directions, defines the groove, the front end surface of the pin, and the rear portion of the slot.
REFERENCES:
patent: 2542144 (1951-02-01), Kearns
patent: 2941439 (1960-06-01), Rapata
patent: 3385158 (1968-05-01), Morin
patent: 3411397 (1968-11-01), Birmingham
patent: 3417438 (1968-12-01), Schuplin
patent: 3508299 (1970-04-01), Ahern
patent: 3918130 (1975-11-01), Poe
patent: 4238446 (1980-12-01), Tanaka
patent: 4276806 (1981-07-01), Morel
patent: 4312614 (1982-01-01), Palmer et al.
patent: 4375342 (1983-03-01), Wollar et al.
patent: 4378928 (1983-04-01), Kopp et al.
patent: 4571134 (1986-02-01), Beglinger et al.
Heitbrink Timothy W.
Kirby Thomas F.
Nilles James E.
Phillips Plastics Corporation
Woo Jay H.
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