US3269943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-layer lubrication utilizing encapsulating coating
Assignee: HORACE T POTTS
•
Filing: 1965-06-17
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Granted: 1966-08-30
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Expires: 1985-06-17
Abstract
No abstract record available.
Inventors
- 👤 David E Armstrong
- 👤 Gerald P Roeser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:07
CPC Classifications
C; C10; C10M; C10M177/00; B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/29; B21D; B21D37/00; B21D37/18; B29; B29C; B29C63/00; B29C63/26; C08; C08K; C08K5/00; C08K5/0008; C08K5/0016; C08K5/16; C08K5/20; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L23/10; C08L23/12; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06; C10M7/00; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2205/00; C10M2205/02; C10M2205/024; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/101; C10M2209/103; C10M2209/104; C10M2209/108; C10M2209/12; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/04; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/08; C10M2215/082; C10M2215/16; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/046; C10M2217/06; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/015; C10N2050/02; C10N2050/08; C10N2050/10; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/26; Y10T428/263; Y10T428/264
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
A VOLATILE SOLVENT DISPERSION OF A SOLID FILM-FORMING LUBRICANT ADAPTED TO ADHERE AS AN ENCAPSULATING LUBRICATING FILM TO A CLEAN METAL BASE, SAID SOLUTION CONSISTING OF A MIXTURE OF (1) A HARD, TOUGH POLYMER SELECTED FROM THE GROUP CONSISTING OF CHLORINATED RUBBER, A TRIPOLYMER OF 8795% VINYL CHLORIDE, 12-5% VINYLL ACETATE AND 0.5-2.5% OF UNSATURATED CARBOXYLIC ACID AND COPOLYMER OF 60-85% VINLY CHLORIDE WITH 40-15% VINYLIDENE CHLORIDE; (2) AND ORGANIC LUBRICANT MATERIAL HAVING A MELTING POINT IN THE RANGE OF 37-110*C. AND A COEFFICIENT OF FRICTION BETWEEN SAID POLYMER AND STEEL OF 0.01-0.02, SAID LUBRICANT MATERIAL SELECTED FROM THE GROUP CONSISTING OF OLIEC ACID AMIDE, MIXED POLYETHYLENE-PROPYLENE GLYCOL, POLYETHYLENE OF MOLECULAR WEIGHT 400-16,000, AND ATACTIC LINEAR POLYPROPYLENE OF MOLECULAR WEIGHT 400-16,000, THE RATIO OF SAID LUBRICANT MATERIAL TO SAID POLYMER VARYING FROM ABOUT 3:1 TO ABOUT 1:3; AND (3) THE REMAINDER BEING VOLATILE SOLVENT CONTAINING A MINOR PROPORTION OF A CHLORINATED HYDROCARBON AND A MAJOR PROPORTION OF A NON-POLAR LIQUID SELECTED FROM THE GROUP CONSISTING OF AROMATIC HYDROCARBONS AND ALIPHATIC HYDROCARBONS WHEREBY UPON COATING A 25% SOLIDS SOLUTION OF SAID DISPERSION UPON A METAL BASE THERE IS DEPOSITED THE LUBRICANT MATERIAL AS A SURFACE FILM.
Claim 2
Dependent Claim
195 words
A VOLATILE SOLVENT DISPERSION OF A SOLID FILM-FORMING LUBRICANT ADAPTED TO ADHERE AS AN ENCAPSULATING LUBRICATING FILM TO A CLEAN METAL BASE, SAID SOLUTION CONSISTING OF A MIXTURE OF (1) A HARD, TOUGH POLYMER SELECTED FROM THE GROUP CONSISTING OF CHLORINATED RUBBER, A TRIPOLYMER OF 8795% VINYL CHLORIDE, 12-5% VINYLL ACETATE AND 0.5-2.5% OF UNSATURATED CARBOXYLIC ACID AND COPOLYMER OF 60-85% VINLY CHLORIDE WITH 40-15% VINYLIDENE CHLORIDE; (2) AND ORGANIC LUBRICANT MATERIAL HAVING A MELTING POINT IN THE RANGE OF 37-110*C. AND A COEFFICIENT OF FRICTION BETWEEN SAID POLYMER AND STEEL OF 0.01-0.02, SAID LUBRICANT MATERIAL SELECTED FROM THE GROUP CONSISTING OF OLIEC ACID AMIDE, MIXED POLYETHYLENE-PROPYLENE GLYCOL, POLYETHYLENE OF MOLECULAR WEIGHT 400-16,000, AND ATACTIC LINEAR POLYPROPYLENE OF MOLECULAR WEIGHT 400-16,000, THE RATIO OF SAID LUBRICANT MATERIAL TO SAID POLYMER VARYING FROM ABOUT 3:1 TO ABOUT 1:3; AND (3) THE REMAINDER BEING VOLATILE SOLVENT CONTAINING A MINOR PROPORTION OF A CHLORINATED HYDROCARBON AND A MAJOR PROPORTION OF A NON-POLAR LIQUID SELECTED FROM THE GROUP CONSISTING OF AROMATIC HYDROCARBONS AND ALIPHATIC HYDROCARBONS WHEREBY UPON COATING A 25% SOLIDS SOLUTION OF SAID DISPERSION UPON A METAL BASE THERE IS DEPOSITED THE LUBRICANT MATERIAL AS A SURFACE FILM.
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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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |