Method and device for interconnecting thin paper webs or sheets along defined areas
Abstract
Abstract 1,042,556. Coating webs. G. J. O. WELINBERGER. Oct. 13, 1964 [Oct. 14,1963], No. 41717/64. Heading D1L. [Also in Division B5] An apparatus for interconnecting webs of fibrous material such as paper along defined areas comprises means 11 and 11<SP>1</SP> for moistening at least one of the webs, means 16, 18 or 22 for applying a adhesive to one or more defined areas on those sides of the paper webs which are remote from each other and means 9 and 10, 5 (Fig. 3) and 20 and 21 for uniting the webs. The apparatus shown in Fig. 4 also comprises a drying roller 26, a hot air drying device 33 and a punch 43 for cutting the laminate as shown in Fig. 8. The adhesive transmitting roller 22 has ribs 34 having 2 parallel projections 35 and 36 each of which may have a longitudinal groove 37.
Inventors
- 👤 Guy John Olof Welin-Berger
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |