Method and apparatus for necking and flanging containers

Details Method and apparatus for necking and flanging containers Method and apparatus for necking and flanging containers

1985-04-22

1987-09-15

Larson, Lowell A.

Metal deforming

Process

Tube making or reshaping

413 69, B21D 4104

Patent

active

046931082

ABSTRACT:
A modular system for producing triple-necked open ended containers includes three substantially identical necking modules each having the same frame and identical rotatable turrets which have a plurality of identical necking stations around the periphery. Each necking station includes an annular necking die and a platform and punch which are cam-operated to move towards and away from each other and are maintained in engagement with the cams by pressurized fluid. Each necking station also has a container pressurizing means in the form of an annular chamber which acts as a holding chamber prior to transmitting the pressurized fluid into the container.

REFERENCES:
patent: 2535339 (1950-12-01), Woeller
patent: 3581542 (1971-06-01), Wahler
patent: 3687098 (1972-08-01), Maytag
patent: 3757558 (1973-09-01), Heinle
patent: 3808868 (1974-05-01), Wolfe
patent: 3898828 (1975-08-01), Cassai et al.
patent: 4173883 (1979-11-01), Boik
patent: 4392764 (1983-07-01), Kubis et al.
patent: 4446714 (1984-05-01), Cvacho

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