US3183137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for treating sheet materials
Assignee: Johnson and Johnson
•
Filing: 1960-12-05
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Granted: 1965-05-11
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Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Harmon Carlyle
- 👤 Hector W Griswold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:11
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A METHOD OF BONDING SHEET MATERIAL WITH A THERMOPLASTIC BINDER WHICH COMPRISES: FEEDING SHEET MATERIAL CONTAINING A THERMOPLASTIC BINDER TO A HEATED SURFACE; CONVEYING SAID HEATED SURFACE WITH THE SHEET MATERIAL THEREON A SPACED DISTANCE WHEREBY SAID SHEET MATERIAL IS HEATED; PASSING THE EXPOSED SURFACE OF SAID SHEET MATERIAL SUBSTANTIALLY TANGENTIAL TO A HEATED ROTATABLE SURFACE TO CONTACT SAID SHEET MATERIAL WITH SAID ROTATABLE SURFACE SUBSTANTIALLY ONLY AT A LINE OF TANGENCY BETWEEN THE PLANE OF THE SHEET MATERIAL AND THE SURFACE OF SAID ROTATABLE SURFACE; AND APPLYING PRESSURE TO SAID SHEET MATERIAL AT SAID LINE OF TANGENCY WHEREBY SAID THERMOPLASTIC BINDER IS SOFTENED AND ADHERES TO SAID SHEET MATERIAL.
Claim 2
Independent Claim
110 words
A METHOD OF BONDING SHEET MATERIAL WITH A THERMOPLASTIC BINDER WHICH COMPRISES: FEEDING SHEET MATERIAL CONTAINING A THERMOPLASTIC BINDER TO A HEATED SURFACE; CONVEYING SAID HEATED SURFACE WITH THE SHEET MATERIAL THEREON A SPACED DISTANCE WHEREBY SAID SHEET MATERIAL IS HEATED; PASSING THE EXPOSED SURFACE OF SAID SHEET MATERIAL SUBSTANTIALLY TANGENTIAL TO A HEATED ROTATABLE SURFACE TO CONTACT SAID SHEET MATERIAL WITH SAID ROTATABLE SURFACE SUBSTANTIALLY ONLY AT A LINE OF TANGENCY BETWEEN THE PLANE OF THE SHEET MATERIAL AND THE SURFACE OF SAID ROTATABLE SURFACE; AND APPLYING PRESSURE TO SAID SHEET MATERIAL AT SAID LINE OF TANGENCY WHEREBY SAID THERMOPLASTIC BINDER IS SOFTENED AND ADHERES TO SAID SHEET MATERIAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |