US3042571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved method of bonding filter elements
Assignee: Tecalemit Ltd
•
Filing: 1958-09-05
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Granted: 1962-07-03
•
Expires: 1978-09-05
Abstract
No abstract record available.
Inventors
- 👤 Jackson Harold Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:20
CPC Classifications
B; B31; B31D; B31D5/00; B31D5/0082; B01; B01D; B01D29/00; B01D29/11; B01D29/111; B01D29/13; B01D29/15; B01D29/21; B01D39/00; B01D39/14; B01D46/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1051
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A METHOD OF BONDING A FILTER MATERIAL IN SHEET FORM TO AN ADJOINING HOLDING MEANS IN THE CONSTRUCTION OF A FILTER ELEMENT UNIT, WHICH METHOD COMPRISES FIRST FORMING A BEAD OF AN ADHESIVE SUBSTANCE ON AT LEAST ONE END EDGE OF A FILTER SHEET BY DEPOSITING SAID ADHESIVE SUBSTANCE ALONG SAID EDGE, WHILE THE ADHESIVE IS IN A SOFT STATE AND ALLOWING SAID BEAD TO DRY AND HARDEN SO THAT THE FILTER SHEET MAY BE HANDLED AND MANIPULATED INTO THE FORM OF A FILTERING ELEMENT; THEN SHAPING SAID SHEET INTO A CIRCULAR FORM; THEN APPLYING A HOLDING MEANS DEVOID OF ADHESIVE THEREON TO THE BEAD OF ADHESIVE OF SAID EDGE OF SAID FILTER SHEET AND SUBJECTING SAID BEAD TO A SOFTENING STEP AND, WHILE SO SOFTENED, PRESSING SAID BEAD AGAINST SAID ADJOINING HOLDING MEANS; AND THEN SUBJECTING SAID BEAD TO A REHARDENING STEP THE EDGES OF THE FOLTER MATERIAL TO BE BONDED TO SAID MEANS.
Claim 2
Independent Claim
155 words
A METHOD OF BONDING A FILTER MATERIAL IN SHEET FORM TO AN ADJOINING HOLDING MEANS IN THE CONSTRUCTION OF A FILTER ELEMENT UNIT, WHICH METHOD COMPRISES FIRST FORMING A BEAD OF AN ADHESIVE SUBSTANCE ON AT LEAST ONE END EDGE OF A FILTER SHEET BY DEPOSITING SAID ADHESIVE SUBSTANCE ALONG SAID EDGE, WHILE THE ADHESIVE IS IN A SOFT STATE AND ALLOWING SAID BEAD TO DRY AND HARDEN SO THAT THE FILTER SHEET MAY BE HANDLED AND MANIPULATED INTO THE FORM OF A FILTERING ELEMENT; THEN SHAPING SAID SHEET INTO A CIRCULAR FORM; THEN APPLYING A HOLDING MEANS DEVOID OF ADHESIVE THEREON TO THE BEAD OF ADHESIVE OF SAID EDGE OF SAID FILTER SHEET AND SUBJECTING SAID BEAD TO A SOFTENING STEP AND, WHILE SO SOFTENED, PRESSING SAID BEAD AGAINST SAID ADJOINING HOLDING MEANS; AND THEN SUBJECTING SAID BEAD TO A REHARDENING STEP THE EDGES OF THE FOLTER MATERIAL TO BE BONDED TO SAID MEANS.
References Cited (Backward Citations)
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US2101607A
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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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |