US3630259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic yarn coated with a spin finish and process for producing the same
Assignee: Monsanto Co
•
Filing: 1969-11-24
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Granted: 1971-12-28
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Expires: 1989-11-24
Abstract
Abstract Spin finish for yarns to be bonded to rubber includes polyvinyl alcohol and microcrystalline or emulsifiable polyethylene wax. The wax has a melting point of at least 50* C. and a penetration at 77* F. of between 1 and 10 in accordance with ASTM test method D-1321-55T.
Inventors
- 👤 Edmond P Brignac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:32
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08L; C08L91/00; C08L91/06; C08J2321/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
16 words
and polyvinyl alcohol constituting between 0.005 percent and 0.22 percent of the weight of said yarn.
Claim 2
Dependent Claim
24 words
The article of manufacture defined in claim 1, further comprising a rubber mass bonded to said yarn, whereby said yarn reinforces said rubber mass.
Claim 3
Dependent Claim
15 words
polyvinyl alcohol constituting between 0.005 percent and 0.22 percent of the weight of said yarn,
Claim 4
Dependent Claim
13 words
between 0.007 percent and 0.25 percent waxoidal lubricant, b. and elongating the yarn.
Claim 5
Dependent Claim
8 words
between 0.007 percent and 0.25 percent waxoidal lubricant,
Claim 6
Dependent Claim
9 words
between 0.02 percent and 0.875 percent liquid lubricant, and
Claim 7
Dependent Claim
16 words
a liquid lubricant constituting between 0.02 and 0.875 percent of the weight of said yarn, and
Claim 8
Dependent Claim
15 words
The article of manufacture defined in claim 1, wherein said article is a pneumatic tire.
Claim 9
Dependent Claim
15 words
The article of manufacture defined in claim 1, wherein said waxoidal lubricant is microcrystalline wax.
Claim 10
Dependent Claim
16 words
sufficient emulsifier to disperse said polyvinyl alcohol, said waxoidal lubricant, and said liquid lubricant in water.
Claim 11
Dependent Claim
21 words
sufficient emulsifier to disperse said polyvinyl alcohol, said waxoidal lubricant, and said liquid lubricant in water, and b. drawing the yarn.
Claim 12
Dependent Claim
29 words
An article of manufacture, comprising in combination: a. a yarn composed of a plurality of continuous filaments, b. and a substantially uniform coating on said yarn, said coating including:
Claim 13
Independent Claim
30 words
A method for making high-tenacity yarn with increased flex life comprising in combination: a. applying uniformly to a freshly spun continuous filament yarn, based on the weight of said yarn,
Claim 14
Dependent Claim
32 words
The method defined in claim 6, wherein between 0.0075 percent and 0.875 percent low-temperature lubricant, based on the weight of said yarn, is applied to said yarn before said yarn is drawn.
Claim 15
Dependent Claim
13 words
The method defined in claim 7, wherein said waxoidal lubricant includes microcrystalline wax.
Claim 16
Independent Claim
30 words
A method for making high-tenacity yarn with increased flex life comprising in combination: a. applying uniformly to a freshly spun continuous filament yarn, based on the weight of said yarn,
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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |