Reusable cartridge for storing and dispensing light sensitive we

Details Reusable cartridge for storing and dispensing light sensitive we Reusable cartridge for storing and dispensing light sensitive we

1990-11-05

1991-10-01

Mathews, A. A.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 711, 206409, G03B 1726, B65H 1600

Patent

active

050537954

ABSTRACT:
An opaque cartridge for storing and dispensing light sensitive web materials from a roll includes a box defining a right angular sexahedron and made up of a top section and a bottom section hingedly connected to each other at an upper rear edge of the box and providing a straight light-tight exit slot at a lower front edge of the box, and a spool consisting of a cylindrical hub on which the web material is wound and a pair of discoid end flanges concentric with the hub. The hub is rotatably mounted in openings provided in split end walls of the box. Light blocking and trapping flanges, baffles, plates, ledges, bars, recesses, and light steps are provided in conjunction with the hinge connection between the top and bottom box sections, the mating connections between the top and bottom end walls, and along the edge of the box providing the exit slot to the end that no light can enter the chamber provided by the box and spool of the cartridge.

REFERENCES:
patent: 3945584 (1976-03-01), Mangan
patent: 4068247 (1978-01-01), Bouwen et al.
patent: 4403845 (1983-09-01), Buelens et al.
patent: 4455076 (1984-06-01), Birkeland
patent: 4482232 (1984-11-01), Engelsmann et al.
patent: 4597658 (1986-07-01), Buelens
patent: 4616914 (1986-10-01), Buelens
patent: 4733777 (1988-03-01), Van Gayte et al.
patent: 4889292 (1989-12-01), Loewe et al.
patent: 4956908 (1990-09-01), Morse et al.

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