Method of bonding using strings of adhesive
Abstract
Abstract A METHOD OF PRODUCING A LAMINATED PRODUCT, FOR EXAMPLE, A FABRIC, IN WHICH ONE WEB OF A FABRIC IN PROPERLY STRETCHED AND WRINKLE-FREE CONDITION IS BROUGHT INTO ENGAGEMENT WITH AN ADHESIVE ROLL CARRYING A SMALL METERED AMOUNT OF ADHESIVE, A STRINGING EFFECT IS PRODUCED AS THE FABRIC LEAVES THE SURFACE OF THE ADHESIVE ROLL, CREATING A DEFINABLE ADHESIVE STRUCTURE ON THE FABRIC, THE FABRIC IS TRANSFERRED TO A ROTATING ROLL WHICH MAINTAINS THE FABRIC IN PROPERLY STRETCHED, WRINKLE-FREE CONDITION, LEAVING EX- POSED A SUBSTANTIAL AREA OF THE ADHESIVE FOR REMOVAL OF SOLVENT AND RELEASE OF VAPORS, THE WEB IS BROUGHT INTO PRESSURE CONTACT WITH ANOTHER FABRIC WEB TO WHICH IT IS TO BE LAMINATED, AND THEN THE LAMINATE IS CARRIED AROUND AND HELD AGAINST A DRUM FOR FURTHER REMOVAL OF THE SOLVENT AND TO KEEP THE FABRIC WEBS PRESSED TOGETHER FOR A PERIOD OF TIME AFTER LAMINATION.
Inventors
- 👤 J Normanton
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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |