Patent US3935329A successfully refreshed from Google Patents.
US3935329A
Expired / Lapsed
US
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Method of manufacturing new paintable rubber products
Assignee: Sheller-Globe Corp
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Filing: 1975-01-27
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Granted: 1976-01-27
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Expires: 1995-01-27
Abstract
Abstract A new paintable rubber composition made of a special formulation of materials including, for example, an SBR rubber elastomer and a thermoplastic polymeric stiffening agent means which may be used to provide the cured composition with a high flex modulus; and a new method of manufacturing a special flexible painted rubber product comprising molding, curing and painting said product.
Inventors
- 👤 Albert F. Reilly
- 👤 Ivan C. Doddridge
- 👤 Ming Chih Chen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:52
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/50; B05D7/52; B05D7/54; B05D7/02; C; C08; C08L; C08L9/00; B05D3/00; B05D3/04; B05D3/0433; B05D3/044; B05D3/0446; B05D3/06; B05D3/061; B05D3/062; B05D3/063; B05D3/08; B05D3/14; B05D3/141; B05D3/142; B05D3/144; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/31855; Y10T428/31931
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
186 words
A method of manufacturing a flexible paintable rubber product, comprising the steps of: formulating a composition comprising, percentages being by weight, a. about 15 to about 90% of a cross-linkable rubber material selected from at least one of the group consisting of styrene butadiene rubber, polybutadiene rubber, and isoprene rubber, said rubber material also including less than 50% of ethylene-propylene diene monomer rubber or neoprene rubber, b. about 0.01 to about 40% of a polymeric stiffening agent for providing a high flex modulus for the cured composition, c. about 0.01 to about 50% of a plasticizing agent, d. zero to about 5% of an accelerating agent, e. 0.01 to about 10% of a curing agent, f. zero to about 10% of an activating agent, g. zero to about 80% of a filler material, forming the product by molding said composition and curing the product at a temperature between about 275° and about 450° F for a residence time period between about 20 minutes and about 1/2 minute, preparing a clean surface on the molded product, applying a flexible color stable colored paint coating to the product.
Claim 2
Independent Claim
186 words
A method of manufacturing a flexible paintable rubber product, comprising the steps of: formulating a composition comprising, percentages being by weight, a. about 15 to about 90% of a cross-linkable rubber material selected from at least one of the group consisting of styrene butadiene rubber, polybutadiene rubber, and isoprene rubber, said rubber material also including less than 50% of ethylene-propylene diene monomer rubber or neoprene rubber, b. about 0.01 to about 40% of a polymeric stiffening agent for providing a high flex modulus for the cured composition, c. about 0.01 to about 50% of a plasticizing agent, d. zero to about 5% of an accelerating agent, e. 0.01 to about 10% of a curing agent, f. zero to about 10% of an activating agent, g. zero to about 80% of a filler material, forming the product by molding said composition and curing the product at a temperature between about 275° and about 450° F for a residence time period between about 20 minutes and about 1/2 minute, preparing a clean surface on the molded product, applying a flexible color stable colored paint coating to the product.
Claim 3
Dependent Claim
44 words
The method of claim 1 wherein, said preparing of a clean surface includes activating the surface to be painted by a surface treatment selected from at least one of the group consisting of halogenation treatment, ozone treatment, ultra-violet treatment, electronic treatment or flame treatment.
Claim 4
Dependent Claim
38 words
The method of claim 1 wherein, said preparing of a clean surface includes activating the surface to be painted by a surface treatment selected from the group consisting of chlorination treatment, ozone treatment, electronic treatment or flame treatment.
Claim 5
Dependent Claim
11 words
The method of claim 2 wherein, said treatment is by chlorination.
Claim 6
Dependent Claim
21 words
The method of claim 1 wherein, said rubber material includes less than 15% of ethylene-propylene diene monomer, rubber or neoprene rubber.
Claim 7
Dependent Claim
67 words
The method of claim 1 wherein, component (b) is present from about 0.01 to about 25%, component (c) is present from about 0.01 to about 35%, component (d) is present from about zero to about 3%, component (e) is present from about 0.05 to about 5%, component (f) is present from about zero to about 5%, and component (g) is present from about 0.01 to about 80%.
Claim 8
Dependent Claim
100 words
The method of claim 1 wherein, said polymeric stiffening agent is substantially a material selected from at least one of the group consisting of acrylonitrile butadiene styrene, polyvinyl chloride, a cellulosic resin, styrene resins, phenolic resins, a C 2 -C 4 polyolefinic polymer material, an ethylene-ethyl acrylate copolymer, ethylene vinyl acetate, a thermoplastic ethylene-propylene copolymer, and an acrylic resin, said plasticizing agent is a compatible non-staining, non-discoloring plasticizer and is substantially a material selected from at least one of the group consisting of naphthenic oils, low molecular weight polyester type plasticizers, petroleum resins, coal tar compound plasticizers, and paraffinic plasticizers.
Claim 9
Dependent Claim
45 words
The method of claim 1 wherein, said curing agent is substantially a material selected from at least one of the group consisting of a sulfur curing agent, a peroxide curing agent, a phenol curing agent, a quinone curing agent, and an amino type curing agent.
Claim 10
Dependent Claim
35 words
The method of claim 1 wherein, said filler material is substantially a material selected from at least one of the group consisting of a carbon material, a carbonate, clays, sulfates, fiberglass, fibrous materials, and silicas.
Claim 11
Dependent Claim
100 words
The method of claim 8 wherein, said polymeric stiffening agent is substantially a material selected from at least one of the group consisting of acrylonitrile butadiene styrene, polyvinyl chloride, a cellulosic resin, styrene resins, phenolic resins, a C 2 -C 4 polyolefinic polymer material, an ethylene-ethyl acrylate copolymer, ethylene vinyl acetate, a thermoplastic ethylene-propylene copolymer, and an acrylic resin, said plasticizing agent is a compatible non-staining, non-discoloring plasticizer and is substantially a material selected from at least one of the group consisting of naphthenic oils, low molecular weight polyester type plasticizers, petroleum resins, coal tar compound plasticizers, and paraffinic plasticizers.
Claim 12
Independent Claim
228 words
A method of manufacturing a flexible paintable rubber product, comprising the steps of: formulating a composition comprising, percentages being by weight, a. about 15 to about 90% of a cross-linkable rubber material selected from at least one of the group consisting of, styrene butadiene rubber, polybutadiene rubber, and isoprene rubber, said rubber material also including up to 50% of ethylene-propylene diene monomer rubber or neoprene rubber, b. zero to about 40% of a polymeric stiffening agent for providing a high flex modulus for the cured composition, c. about 0.01 to about 50% of a plasticizing agent, said plasticizing agent is a compatible non-staining, non-discoloring plasticizer and is substantially a material selected from at least one of the group consisting of naphthenic oils, low molecular weight polyester type plasticizers, petroleum resins, coal tar compound plasticizers, and paraffinic plasticizers, d. zero to about 5% of an accelerating agent, e. 0.01 to about 10% of a curing agent, f. zero to about 10% of an activating agent, g. about 0.01 to about 80% of a filler material, and forming the product by molding said composition and curing the product at a temperature between about 275° and about 600° F for a residence time period between about 45 minutes and about 1/4 minute, preparing a clean surface on the molded product, applying a flexible color stable colored paint coating to the product.
Claim 13
Independent Claim
228 words
A method of manufacturing a flexible paintable rubber product, comprising the steps of: formulating a composition comprising, percentages being by weight, a. about 15 to about 90% of a cross-linkable rubber material selected from at least one of the group consisting of, styrene butadiene rubber, polybutadiene rubber, and isoprene rubber, said rubber material also including up to 50% of ethylene-propylene diene monomer rubber or neoprene rubber, b. zero to about 40% of a polymeric stiffening agent for providing a high flex modulus for the cured composition, c. about 0.01 to about 50% of a plasticizing agent, said plasticizing agent is a compatible non-staining, non-discoloring plasticizer and is substantially a material selected from at least one of the group consisting of naphthenic oils, low molecular weight polyester type plasticizers, petroleum resins, coal tar compound plasticizers, and paraffinic plasticizers, d. zero to about 5% of an accelerating agent, e. 0.01 to about 10% of a curing agent, f. zero to about 10% of an activating agent, g. about 0.01 to about 80% of a filler material, and forming the product by molding said composition and curing the product at a temperature between about 275° and about 600° F for a residence time period between about 45 minutes and about 1/4 minute, preparing a clean surface on the molded product, applying a flexible color stable colored paint coating to the product.
Claim 14
Dependent Claim
27 words
The method of claim 11 further characterized as including, a flexible primer paint coating composition on the product, underneath said flexible color stable colored paint coating layer.
Claim 15
Dependent Claim
35 words
The method of claim 11 wherein, said colored paint coating layer being selected from at least one resin coating material from the group consisting of a urethane resin, an acrylic resin, and a polyester resin.
Claim 16
Dependent Claim
35 words
The method of claim 12 wherein, said colored paint coating layer being selected from at least one resin coating material from the group consisting of a urethane resin, an acrylic resin, and a polyester resin.
Claim 17
Dependent Claim
44 words
The method of claim 11 wherein, said preparing of a clean surface includes treating the surface to be painted by a surface treatment selected from at least one of the group consisting of halogenation treatment, ozone treatment, ultra-violet treatment, electronic treatment or flame treatment.
Claim 18
Dependent Claim
38 words
The method of claim 11 wherein, said preparing of a clean surface includes activating the surface to be painted by a surface treatment selected from the group consisting of chlorination treatment, ozone treatment, electronic treatment or flame treatment.
Claim 19
Dependent Claim
11 words
The method of claim 15 wherein, said treatment is by chlorination.
Claim 20
Dependent Claim
21 words
The method of claim 11 wherein, said rubber material includes less than 15% of ethylene-propylene diene monomer rubber or neoprene rubber.
Claim 21
Dependent Claim
67 words
The method of claim 11 wherein, component (b) is present from about zero to about 25%, component (c) is present from about 0.01 to about 35%, component (d) is present from about zero to about 3%, component (e) is present from about 0.05 to about 5%, component (f) is present from about 0.01 to about 5%, and component (g) is present from about 0.01 to about 50%.
Claim 22
Dependent Claim
16 words
The method of claim 11 wherein, component (a) is present from about 25 to about 60%.
Claim 23
Dependent Claim
36 words
The method of claim 15 wherein, said colored paint coating layer means being selected from at least one resin coating material from the group consisting of a urethane resin, an acrylic resin, and a polyester resin.
Claim 24
Dependent Claim
77 words
The method of claim 11 wherein, component (a) is present from about 30 to about 55%, component (b) is present from about zero to about 20%, component (c) is present from about 1 to about 15%, component (d) is present from about 0.01 to about 3%, component (e) is present from about 0.5 to about 3%, component (f) is present from about 0.1 to about 3%, and component (g) is present from about 1 to about 50%.
Claim 25
Dependent Claim
45 words
The method of claim 11 wherein, said curing agent is substantially a material selected from at least one of the group consisting of a sulfur curing agent, a peroxide curing agent, a phenol curing agent, a quinone curing agent, and an amino type curing agent.
Claim 26
Dependent Claim
35 words
The method of claim 11 wherein, said filler material is substantially a material selected from at least one of the group consisting of a carbon material, a carbonate, clays, sulfates, fiberglass, fibrous materials, and silicas.
Claim 27
Dependent Claim
27 words
The method of claim 16 further characterized as including, a flexible primer paint coating composition on the product, underneath said flexible color stable colored paint coating layer.
Claim 28
Dependent Claim
36 words
The method of claim 22 wherein, said filler material is substantially a material selected from at least one of the group consisting of a carbon material, a carbonate, clays, sulfates, fiber glass, fibrous materials, and silicas.
Claim 29
Dependent Claim
18 words
The method of claim 11 wherein, said forming step is carried out by continuously extruding the rubber product.
Claim 30
Dependent Claim
22 words
The method of claim 26 wherein, a textured surface pattern is continuously formed in the product after extruding and prior to curing.
Claim 31
Dependent Claim
30 words
The method of claim 11 wherein, said steps of forming, curing, preparing the clean surface, and applying the color stable paint coating, are all carried out in a continuous operation.
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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) | 1979-01-26 | 1979-07-28 | 1980-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-26 | 1983-07-28 | 1984-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-26 | 1987-07-28 | 1988-01-27 | $7700.00 | Window Closed / Lapsed |