Plastic article or earthenware shaping or treating: apparatus – Preform assembly means and means for bonding of plural... – Means press fitting or forcibly embedding one preform into...
Patent
1979-06-27
1981-10-20
Pavelko, Thomas P.
Plastic article or earthenware shaping or treating: apparatus
Preform assembly means and means for bonding of plural...
Means press fitting or forcibly embedding one preform into...
425317, B29C 2400
Patent
active
042958148
ABSTRACT:
A method and apparatus are described for producing an article constituted of two or more plastic parts, wherein a pair of mold plates are each provided with at least two spaced forming surfaces defining, in a closed position of the plates during a molding stroke, separate cavities each of the shape of one of the parts of the article. The mold plates are closed during the molding stroke to form the parts, after which the mold plates are opened and the apparatus is operated according to one or more assembling strokes. During each assembling stroke, one plate is stepped with respect to the other to bring the two parts into alignment, and the two mold plates are then closed to apply one part to the other.
The method and apparatus are described with respect to making a three-part spray nozzle.
REFERENCES:
patent: 3477095 (1969-11-01), Lensky
patent: 3958760 (1976-05-01), Rosenberg
Barish Benjamin J.
Pavelko Thomas P.
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