Textile web shrinking apparatus comprising means for measuring distance between index marks on the web
Abstract
Abstract THIS INVENTION IS DIRECTED TO APPARATUS FOR THE COMPRESSIVE SHRINKING OF TEXTILE FABRICS AND HAVING A GAUGE FOR MEASURING THE DISTANCE BETWEEN EQUALLY SPACED LONGITUDINALLY ALIGNED PHOTO-SENSIBLE INDEX MARKS ON A CONTINOUSLY ADVANCING WEB OF MATERIAL AND INCLUDES AT TRIGGER PHOTOCELL FOR DETECTING THE PASSAGE OF A FIRST INDEX MARK AND FOR ACTIVATING A PLURALITY OF COUNTING PHOTOCELLS TO MEASURE THE CONTINUING PASSAGE OF THE FIRST INDEX MARK UNTIL A SECOND INDEX MARK REACHES THE TRIGGER PHOTOCELL AND CAUSES IT TO CAUSE DISCONTINUANCE OF THE PASSAGE MEASUREMENT OF THE FIRST INDEX MARK. VISUAL MEANS ARE PROVIDED TO INDICATE THE LENGTH OF PASSAGE OF THE FIRST INDEX MARK ALONG THE COUNTING PHOTOCELLS UNTIL PASSAGE MEASUREMENT IS DISCONTINUED.
Inventors
- 👤 Nestor W Pandell
- 👤 Robert M Dowling
Bibliographic Details
Claims Analysis
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |