Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With accumulator – trap chamber – or serially arranged valves...
Patent
1984-10-15
1986-06-03
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With accumulator, trap chamber, or serially arranged valves...
156 48, 222389, 425318, B29C 4507
Patent
active
045927219
ABSTRACT:
A method of sealably encapsulating an article by using, in combination, a plastics heating and pressurizing device and a manually portable accumulator. The device has a chamber to contain plastics material and heat it into a molten state. There is a releasable coupling means to assemble the device and container together to interconnect the chamber with a reservoir inside the accumulator for transfer of the molten plastic material into the reservoir. The accumulator has means for forcing the molten material from the reservoir into a mold cavity when the accumulator has been manually transferred from the device to a mold.
REFERENCES:
patent: 1769524 (1930-07-01), Mample
patent: 2420616 (1947-05-01), Palmer
patent: 2967795 (1961-01-01), Bollmeier et al.
patent: 3639201 (1972-02-01), Humphries
patent: 3939882 (1976-02-01), Gillemot
patent: 4066486 (1978-01-01), Tan
Charlebois Leonard J.
Huszarik Fred A.
Mariani Renato
Austin R. J.
Fortenberry J.
Northern Telecom Limited
Woo Jay H.
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