Can opener

Details Can opener Can opener

1980-05-07

1981-11-24

Smith, Gary L.

Cutlery

Can opener

With driven roller to continuously engage bead and...

B67B 734

Patent

active

043015956

ABSTRACT:
A can opener (10) has a cutter roll (40) for cutting an outer seam wall (49) of a double end seam (41) securing a can end (43) to a can body (45). A traction roll (20) of the opener (10) is engageable with the end seam (41) and is rotatable to drive the cutter roll (40) about the seam (41). An abutment (52) is provided to engage the end seam (41) to position the center (O.sub.c) of the cutter roll (40) behind that (O.sub.T) of the traction roll (20) in the direction of movement of the opener (10). The two rolls (20,40) have skew axes so that in use the cutter roll (40) cuts into the outer seam wall (49) ahead of a plane (P.sub.1) through the traction roll axis and the cutter roll center (O.sub.c), and so that a generator (51) of the cutter roll's curved surface (48 ) is inclined where the cutter roll (40) contacts the outer seam wall (49) from the cutting edge (50) towards a plane (P.sub.5) containing the top (47).

REFERENCES:
patent: 1986870 (1935-01-01), West
patent: 1999370 (1935-04-01), Olschewski
patent: 2119135 (1938-05-01), Link
patent: 2595162 (1952-04-01), Nessler
patent: 2715265 (1955-08-01), Hult

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