Safety blade for severing stretchable film

Severing by tearing or breaking – Severing by manually forcing against fixed edge – With housing for work supply

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Details

225 49, 225 91, 83175, B65D 85671

Patent

active

044509960

ABSTRACT:
A severing blade comprising a plurality of spaced-apart extended members, each of said extended members having a blunt upper edge extremity and at least one side-extended tooth with a piercing tip disposed below the blunt upper edge extremity and in the plane of the blade so that a stretchable film transversely pulled over the severing edge will be snagged on the side-projected teeth thereby causing a segment of the film to be severed.

REFERENCES:
patent: Re25876 (1965-10-01), Buttery et al.
patent: Re28911 (1976-07-01), Jespersen et al.
patent: 293349 (1884-02-01), Newbury
patent: 1915736 (1977-06-01), Hurlbut
patent: 1917376 (1933-07-01), Lee et al.
patent: 2750669 (1956-06-01), Hohmann
patent: 2861753 (1958-11-01), Sipior
patent: 2920342 (1960-01-01), Spang et al._
patent: 3082922 (1963-03-01), Warp
patent: 3088640 (1963-05-01), Kunsch
patent: 3173590 (1965-03-01), Bahnsen
patent: 3547328 (1970-12-01), Bjorklund et al.
patent: 3552614 (1971-01-01), Wilson et al.
patent: 3567087 (1971-02-01), Schramm
patent: 3590695 (1971-07-01), Gerard
patent: 4064776 (1977-12-01), Walitalo, et al.
patent: 4283819 (1981-08-01), Willinger
patent: 4283820 (1981-08-01), Willinger
patent: 4287648 (1981-09-01), Hineborg et al.
A Photocopy of a German Kitchen Knife Being Employed and Used in Europe.

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