Title:
Method of and means for detecting flaws and the like in a plurality of superposed webs or sheets
United States Patent 3070365
US Patent References:
Apparatus for sorting transparent or translucent papers, film foils, and the like
- - 1900633
Device for testing and sorting of electrically conducting parts
- - 1983388
Electric discharge apparatus
- - 2094351
Grading apparatus
- - 2306211
Strip marking device
- - 2312626
Apparatus for sorting transparent or translucent papers, film foils, and the like
- - 1900633
Device for testing and sorting of electrically conducting parts
- - 1983388
Electric discharge apparatus
- - 2094351
Grading apparatus
- - 2306211
Strip marking device
- - 2312626
Inventors:
Erich, Lohrmann
Publication Date:
12/25/1962
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Export Citation:
Assignee:
JAGENBERG WERKE AG
Primary Class:
International Classes:
B65H26/02; B65H26/00
US Patent References:
| 2532644 | Sorting apparatus | |||
| 2570288 | Photoelectric inspection of sheet materials | |||
| 2655620 | Control unit for pinhole detectors | |||
| 2693277 | Card ejecting device | |||
| 2729214 | Detecting and control apparatus | |||
| 2742150 | Apparatus for gaging and classifying sheets or the like | |||
| 2829887 | Machine for making manifold forms | |||
| 2861683 | Measurement of cigarette rod density by radiation | |||
| 2884130 | Apparatus for sorting steel plates and the like | |||
| 2904174 | Identification of sensitized paper or film defects with magnetic materials |
Foreign References:
| GB312684A | ||||
| CH327328A |