Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Simultaneous severing and shaping – or severing while work...
Patent
1978-05-30
1980-07-01
Pavelko, Thomas P.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Simultaneous severing and shaping, or severing while work...
264242, 264318, 425DIG59, B29D 3100
Patent
active
042106206
ABSTRACT:
The following specification describes a paint can mold in which a pair of concentric ring members and cores at diametrically opposed positions create concentric mold cavities for forming projecting bushings on the pail, each having a concentric handle bearing. The plastic for forming each bearing and a handle interconnecting the bearings passes through a gate in each ring member. Withdrawal of the ring member severs the plastic in the gate from between the bushing and bearing so that the handle is free to rotate on the bushings. Means are provided to prevent disassembly of the handle from the can.
REFERENCES:
patent: 3456913 (1969-07-01), Lutz
patent: 3523991 (1970-08-01), Tucker
Pavelko Thomas P.
Pigott, Jr. Charles F.
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