Developing machine for photosensitive films and developing metho

Details Developing machine for photosensitive films and developing metho Developing machine for photosensitive films and developing metho

1990-01-18

1991-11-12

Mathews, A. A.

354320, 354325, G03D 300

Patent

active

050651749

ABSTRACT:
A developing machine for photosensitive films serviceable for both negative type and positive type films and exclusively usable for developing with water, comprising a warm water-dipping section consisting of warm water bath, a brush-developing section for developing by rubbing off the non-image area with a rotating brush roll while spraying water, and a drying section for drying with warm air, wherein the negative type photosensitive film, and non-image area being dissolved with ordinary temperature water for development, is passed through the brush-developing section and drying section, and the positive type photosensitive film, the non-image area being swollen with warm water and then rubbed off with brush for development, is passed through the warm water-dipping section, brush-developing section and drying section.

REFERENCES:
patent: 4034433 (1977-07-01), Slingsby
patent: 4179208 (1979-12-01), Martino
patent: 4428659 (1984-01-01), Howard
patent: 4733260 (1988-03-01), Kubo et al.

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