Monosheet self-processing film unit and method of making the sam

Details Monosheet self-processing film unit and method of making the sam Monosheet self-processing film unit and method of making the sam

1989-05-09

1991-06-11

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430208, 430209, 430498, G03C 554, G03C 196

Patent

active

050231634

ABSTRACT:
A monosheet type self-processing film unit comprising a masking member formed with an image area defining opening, a photosensitive sheet, a developer containing pod, a trapping member, a transparent cover sheet, and a spacer member interposed between the photosensitive and transparent cover sheets. A method of making the same comprises the steps of attaching pods and trapping members to opposite edges on one surface of a long sheet, punching out a series of image area defining openings in the long sheet between each pair of the paired pods and trapping members, attaching a web-like photosensitive sheet to the long sheet, attaching both ends of a spacer member longer than the width of the photosensitive sheet to the one surface of the long sheet between the adjacent two image area defining openings, attaching a web-like transparent sheet onto the one surface of the long sheet, folding both sides of the long sheet so as to enclose the pods and the trapping members, respectively, and cutting the long sheet overlapping with and interposed between the photosensitive and transparent sheets along a center line of each spacer member to separate film units.

REFERENCES:
patent: 4273852 (1981-06-01), Lange et al.
patent: 4312939 (1982-01-01), McCole
patent: 4352879 (1982-10-01), Hara
patent: 4490456 (1984-12-01), Feasey
patent: 4556631 (1985-12-01), Sato et al.

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