US4289253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for warming and damping of non-woven, disposable, strength treated napkins or towels
Assignee: Duni AB
•
Filing: 1977-10-04
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Granted: 1981-09-15
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Expires: 1997-10-04
Abstract
Abstract A method and device for warming and damping of disposable, wet strength treated napkins or towels are disclosed. The device comprises a plastic coated box blank which is folded into a trough having tight corner sections. The napkins or towels to be heated are placed in the trough and a quantity of water which has been heated to almost boiling is poured into the trough and over the napkins. The napkins can then be delivered for use in a warmed and damped condition.
Inventors
- 👤 Karl G. B. Andersson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:40
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/18; B65D81/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A method for warming and dampening of non-woven, disposable wet strength napkins or towels comprising: providing a trough-shaped box having a waterproof coating therein and having water-tight corner sections and an open end; placing a plurality of non-woven disposable wet strength treated napkins upright in said box in side by side relationship with one end of each of said napkins facing said open end of said trough-shaped box; heating a predetermined quantity of water to approximately its boiling point; pouring said predetermined quantity of heated water through said open end into said trough-shaped box over said plurality of napkins to collectively and completely warm and dampen said plurality of napkins in said trough-shaped box, said predetermined quantity of water being large enough so that each of said napkins is entirely dampened but small enough so that the napkins do not drip upon dispensing; and dispensing said dampened and warmed napkins directly from said trough-shaped box.
Claim 2
Independent Claim
155 words
A method for warming and dampening of non-woven, disposable wet strength napkins or towels comprising: providing a trough-shaped box having a waterproof coating therein and having water-tight corner sections and an open end; placing a plurality of non-woven disposable wet strength treated napkins upright in said box in side by side relationship with one end of each of said napkins facing said open end of said trough-shaped box; heating a predetermined quantity of water to approximately its boiling point; pouring said predetermined quantity of heated water through said open end into said trough-shaped box over said plurality of napkins to collectively and completely warm and dampen said plurality of napkins in said trough-shaped box, said predetermined quantity of water being large enough so that each of said napkins is entirely dampened but small enough so that the napkins do not drip upon dispensing; and dispensing said dampened and warmed napkins directly from said trough-shaped box.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-09-14 | 1985-03-16 | 1985-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-14 | 1989-03-16 | 1989-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-14 | 1993-03-16 | 1993-09-15 | $7700.00 | Window Closed / Lapsed |