Can seamer

Details Can seamer Can seamer

1992-09-30

1994-06-14

Lavinder, Jack

Sheet metal container making

Apparatus applying closure to receptacle

Seamer

413 31, 53334, 53340, B21D 5100

Patent

active

053204697

ABSTRACT:
In a can seamer, after a control mode of a drive motor has been switched to a type-changing mode, if an action button is depressed, in response to signals issued from a rotational position sensor, the drive motor moves can seaming mechanisms one pitch by one pitch via a center shaft and stops at predetermined positions. At the stopped position, an actuator is operated to depress the top end of a seaming roll shaft. By this operation, a gap clearance is formed between a rotary frame and a seaming lever. Then seaming rolls are dismounted and replaced. The seaming lever connected with a seaming chuck via a bracket is removed, and thereby a type-changing work can be carried out. In addition, in the type-changing work of the can seamer, the vertical positional adjustment in a fitting between a seaming lever and seaming rolls is easily carried out. Furthermore, the knock-out pad can be replaced in a one-touch operation.

REFERENCES:
patent: 2447524 (1948-08-01), Nordquist
patent: 2540001 (1951-01-01), Laxo
patent: 2748733 (1956-06-01), Pechy
patent: 3025814 (1962-03-01), Currie
patent: 4820100 (1989-04-01), Riviere
patent: 4961300 (1990-10-01), Mihara

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