Light-tight package

Details Light-tight package Light-tight package

1994-11-02

1996-02-20

Ackun, Jacob K.

Special receptacle or package

For roll or reel

Peripheral reel cover

206410, 206414, 206813, B65D 8567

Patent

active

054922216

ABSTRACT:
An improved light-tight package for a roll (10) of a length (14) light-sensitive material such as photographic film or paper includes an opaque leader (22) provided with adhesive elements (44, 46) which adhere more strongly to the leader that to folded-over portions (58, 60) of opaque end disks (32, 34). Alternatively, adhesive elements (56) having similar properties may be applied to the end disks. Upon unrolling of the package by pulling the leader, the end disks release from the adhesive elements without tearing; and the adhesive elements remain attached to the leader and are removed from the roll with the leader.

REFERENCES:
patent: 2883045 (1959-04-01), Abramson
patent: 3215334 (1965-11-01), Neal, Jr. et al.
patent: 3895711 (1975-07-01), Hiltunen et al.
patent: 4137690 (1979-02-01), Morgan
patent: 4148395 (1979-04-01), Syracuse et al.
patent: 4505387 (1985-03-01), Seto
patent: 4733777 (1988-03-01), Van Geyte et al.
patent: 4911299 (1990-03-01), Peeters
patent: 5049928 (1991-09-01), Tirone
patent: 5133171 (1992-07-01), Chase et al.
patent: 5174095 (1992-12-01), Fujiwara et al.
patent: 5222601 (1993-06-01), Takahashi et al.
"Scotch Differential Tack", 3M Product Information, Undated, (70-0702-9909-7 (20.5)R1 (BL-vf112596).

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