Plastic article or earthenware shaping or treating: apparatus – Plural sets each comprising a female mold and opposed... – Molds or press members traveling transversely to molding motion
Reexamination Certificate
2006-06-13
2006-06-13
Smith, Duane (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Plural sets each comprising a female mold and opposed...
Molds or press members traveling transversely to molding motion
C425S809000, C425S422000, C425S349000
Reexamination Certificate
active
07059846
ABSTRACT:
An assembly for the compression molding of articles made of plastic material, composed of a main male plug and a complementary male plug which comprise a stem, actuated by an actuation element with a spindle guided in a tubular tang provided with a molding head cooperating with the main male plug; a first spring, arranged on the spindle acting between a collar of the spindle and the tubular tang; a second spring, arranged on the spindle acting on the collar or on the end of the tang that lies opposite the molding head, to determine an inactive molding step of the complementary male plug, a compression step, and a reduced compression step.
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Patent Abstract of Japan vol. 016, No. 561 (M-1341), Dec. 3, 1992 & JP 04 215966 A (Japan Crown Cork Co Ltd), Aug. 6, 1992 *abstract*.
Josif Albert
Modiano & Associati
Nguyen Thu Khanh T.
O'Byrne Daniel
Sacmi Cooperativa Meccanici Imola S.C.R.I.
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