Round top rimming machine

Details Round top rimming machine Round top rimming machine

1982-03-15

1984-02-28

Derrington, James H.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Rod or tubular preform

264310, B29C 1702

Patent

active

044339682

ABSTRACT:
Disclosed is an apparatus for beading the edge or rim of a cup having a seamed annular sidewall and a polygonal base. A spinning head having a plurality of radially moveable forming members for contact with the rim to produce a bead is located over and in register with a cup-supporting base plate. The base plate together with relatively moveable socket forming wall members provides a seat for the cup on a cam operated elevator device which moves the cup upwardly. The socket is complementary to the polygonal base to prevent rotation of the seated and supported cup relative to the socket. The socket walls retract into a common horizontal plane with the base plate to permit rotationally driven star wheels to guide and confine cups onto the base plate in register with the forming means and off of the base plate away from the forming means. An air stream is directed into the cup to produce a positive pressure which inhibits dust from entering the cup during the forming operation.

REFERENCES:
patent: 3192565 (1965-07-01), Rukavina
patent: 3337919 (1967-08-01), Brown
patent: 3548457 (1970-12-01), Kulig
patent: 3914102 (1975-10-01), Brown
patent: 4204462 (1980-05-01), Richards

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