US2905568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for manufacturing an absorbent product
Assignee: Personal Products Co
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Filing: 1956-08-16
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Granted: 1959-09-22
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Expires: 1976-08-16
Abstract
No abstract record available.
Inventors
- 👤 Alfred A Burgeni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:48
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A METHOD OF PRODUCING AN ABSORBENT FIBROUS BODY SUITABLE FOR USE AS AN ABSORBENT COMPONENT IN ABSORBENT PRODUCTS WHICH COMPRISES MOISTENING A TRANSFER WEB WITH AN AQUEOUS PROCESSING LIQUID; POSITIONING SAID MOISTENED TRANSFER WEB ON A HIGHLY POROUS, LOOSELY COMPACTED, CELULOSIC ABSORBENT FIBROUS BODY HAVING RELATIVELY LOW COHESIVE STRENGTH, RELATIVELY LOW CAPILLARY FORCES, RELATIVELY POOR SHAPE AND VOLUME STABILITY, AND RELATIVELY LOW FLUID RETENTIVITY; APPLYING A DEFORMATION PRODUCING PRESSURE TO SAID ABSORBENT FIBROUS BODY THROUGH SAID TRANSFER WEB THEREBY TRANSFERRING AQUEOUS PROCESSING LIQUID FROM SAID TRANSFER WEB TO SAID HIGHLY POROUS, LOOSELY COMPACTED, CELLULOSIC ABSORBENT FIBROUS BODY; AND SIMULTANEOUSLY COMPRESSING THE SAME IN THE PRESENCE OF THE AQUEOUS PROCESSING LIQUID TO PRODUCE A PERMANENT SET OF THE DEFORMATION RESULTING FROM THE APPLICATION OF PRESSURE WHEREBY THERE IS FORMED IN SITU THEREFROM AND INTEGRAL THEREWITH, A PAPER-LIKE DENSIFIED, COMPACTED CELLULOSIC FIBROUS LAYER HAVING RELATIVELY HIGH COHESIVE STRENGTH, RELATIVELY GOOD CAPILLARY FORCES, RELATIVELY GOOD SHAPE AND VOLUME STABILITY AND RELATIVELY HIGH FLUID RETENTIVITY.
Claim 2
Independent Claim
161 words
A METHOD OF PRODUCING AN ABSORBENT FIBROUS BODY SUITABLE FOR USE AS AN ABSORBENT COMPONENT IN ABSORBENT PRODUCTS WHICH COMPRISES MOISTENING A TRANSFER WEB WITH AN AQUEOUS PROCESSING LIQUID; POSITIONING SAID MOISTENED TRANSFER WEB ON A HIGHLY POROUS, LOOSELY COMPACTED, CELULOSIC ABSORBENT FIBROUS BODY HAVING RELATIVELY LOW COHESIVE STRENGTH, RELATIVELY LOW CAPILLARY FORCES, RELATIVELY POOR SHAPE AND VOLUME STABILITY, AND RELATIVELY LOW FLUID RETENTIVITY; APPLYING A DEFORMATION PRODUCING PRESSURE TO SAID ABSORBENT FIBROUS BODY THROUGH SAID TRANSFER WEB THEREBY TRANSFERRING AQUEOUS PROCESSING LIQUID FROM SAID TRANSFER WEB TO SAID HIGHLY POROUS, LOOSELY COMPACTED, CELLULOSIC ABSORBENT FIBROUS BODY; AND SIMULTANEOUSLY COMPRESSING THE SAME IN THE PRESENCE OF THE AQUEOUS PROCESSING LIQUID TO PRODUCE A PERMANENT SET OF THE DEFORMATION RESULTING FROM THE APPLICATION OF PRESSURE WHEREBY THERE IS FORMED IN SITU THEREFROM AND INTEGRAL THEREWITH, A PAPER-LIKE DENSIFIED, COMPACTED CELLULOSIC FIBROUS LAYER HAVING RELATIVELY HIGH COHESIVE STRENGTH, RELATIVELY GOOD CAPILLARY FORCES, RELATIVELY GOOD SHAPE AND VOLUME STABILITY AND RELATIVELY HIGH FLUID RETENTIVITY.
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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) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |