Tear starting mechanism for tear shades

Details Tear starting mechanism for tear shades Tear starting mechanism for tear shades

1982-04-21

1984-03-27

Caun, Peter M.

Flexible or portable closure, partition, or panel

Roll type

Adjustable dimension roll

A47G 502

Patent

active

044387997

ABSTRACT:
A shade of adjustable width is provided in which portions can be removed by tearing along score lines, and means including pull tabs are provided whereby a portion in the margin of the shade may be removed leaving a widened opening which terminates at an apex at a given score line such that pulling adjacent portions of the shade material concentrates stress at the score line and promotes clean tearing therealong.

REFERENCES:
patent: 4102383 (1978-07-01), Miller

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