Safety blade for severing stretchable film

Details Safety blade for severing stretchable film Safety blade for severing stretchable film

1981-12-30

1984-01-17

Yost, Frank T.

Severing by tearing or breaking

Severing by manually forcing against fixed edge

With housing for work supply

225 43, 225 48, 225 91, B26D 102, B65D 85671

Patent

active

044260296

ABSTRACT:
A severing blade comprising a plurality of spaced-apart sharp piercing teeth disposed below and between a plurality of spaced-apart blunt projections, the blunt projections being adapted to stretch and/or thin a segment of a sheet material, such as stretchable film, to be severed.

REFERENCES:
patent: 21657 (1858-10-01), David
patent: Re23129 (1949-06-01), Borden
patent: Re25876 (1965-10-01), Buttery et al.
patent: Re28911 (1976-07-01), Jespersen et al.
patent: 293349 (1884-02-01), Newbury
patent: 1841732 (1932-01-01), Hausman
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: 3885724 (1975-05-01), Ehrlund
patent: 4064776 (1977-12-01), Walitalo et al.
patent: 4283820 (1981-08-01), Willinger
patent: 4352309 (1982-10-01), Thalstrom et al.
A photocopy of a German Kitchen Knife being employed and used in Europe.

Affiliated with

Also associated with

Rating

Safety blade for severing stretchable film does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Safety blade for severing stretchable film, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Safety blade for severing stretchable film will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-697426