US3785022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile working unit
Assignee: Day International Inc
•
Filing: 1971-05-20
•
Granted: 1974-01-15
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Expires: 1991-05-20
Abstract
Abstract A textile working unit having a central shaft with raised bosses having fiber drafting cots adapted for mounting on the bosses. The cot has a rigid core and an outer elastomeric working surface, which may be bonded to the core by means of an adhesive.
Inventors
- 👤 G Bowling
- 👤 D Kidd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:53
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/70; D01H5/74; D01H5/80
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
84 words
In a textile working unit comprising a central shaft having at least one boss, a fiber drafting cot adapted for mounting on said boss, said cot comprising a rigid core formed of a thinwalled plastic tube with a constant cross section, and an elastomeric outer working surface having a comparatively thick wall and a constant outer diameter, said core having an inside diameter which is 0.005 inch to 0.030 inch smaller than the outside diameter of said boss when said cot is not mounted.
Claim 2
Dependent Claim
84 words
In a textile working unit comprising a central shaft having at least one boss, a fiber drafting cot adapted for mounting on said boss, said cot comprising a rigid core formed of a thinwalled plastic tube with a constant cross section, and an elastomeric outer working surface having a comparatively thick wall and a constant outer diameter, said core having an inside diameter which is 0.005 inch to 0.030 inch smaller than the outside diameter of said boss when said cot is not mounted.
Claim 3
Dependent Claim
21 words
The unit of claim 1 in which said plastic is selected from the group consisting of nylon, ABS, polypropylene, and polycarbonate.
Claim 4
Dependent Claim
14 words
The unit of claim 1 in which said core is made of phenol formaldehyde.
Claim 5
Dependent Claim
18 words
The unit of claim 1 in which said core has a flexural modulus of 100,000 to 350,000 p.s.i.
Claim 6
Dependent Claim
15 words
The unit of claim 1 including an adhesive between said core and said working surface.
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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) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |