Title:
POROUS PLATE DEVELOPER FOR THERMALLY SENSITIVE FILM
United States Patent 3496332
US Patent References:
Heater
- - 1517434
Apparatus for drying webs
- - 2532032
Heating control system
- - 2668701
Method of sealing thermoplastic film overwrap
- - 3084489
Heat sealing apparatus including a porous member and fluid pressure
- - 3311525
Heater
- - 1517434
Apparatus for drying webs
- - 2532032
Heating control system
- - 2668701
Method of sealing thermoplastic film overwrap
- - 3084489
Heat sealing apparatus including a porous member and fluid pressure
- - 3311525
Inventors:
Lunde, George G.
Publication Date:
02/17/1970
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Export Citation:
Assignee:
MINNESOTA MINING & MFG
Primary Class:
Other Classes:
219/388, 392/379, 396/571, 156/497
International Classes:
G03B27/30; G03B27/02; H05B1/00
US Patent References:
| 3382789 | Automatic film developer |