US3873458A — Resin-containing lubricant coatings

Claim 1

Independent Claim 144 words

PROCESS FOR COLD FORMING OR SHAPING METAL COMPRISING SUBJECTING TO DEFORMATION PRESSURE AGAINST A SOLID SURFACE METAL WHICH HAS BEEN COATED WITH A RESIN-OIL LAYER BY APPLYING TO ITS SURFACE A SINGLE AQUEOUS DISPERSION COMPOSITION AND DRYING SAID COMPOSITION TO REMOVE WATER AND OTHER VOLATILES, SAID COMPOSITION PREPARED BY BLENDING (A) A LUBRICANT OIL SELECTED FROM MINERAL OIL, ANIMAL OR VEGETABLE OILS, FATS, SOAPS, FATTY ESTERS, OR OTHER NATURAL OR SYNTHETIC OIL, GREASE, OR WAX LUBRICANT MATERIALS OR MIXTURES THEREOF, AND (B) A DISPERSION OR SOLUTION OF A NORMALLY SOLID COPOLYMER OF ETHYLENE AND ACRYLIC ACID, CONTAINING 15 TO 25% ACRYLIC ACID, IN WATER CONTAINING ALKALI SUFFICIENT TO FORM A WATER-SOLUBLE OR DISPERSABLE SALT OF IONOMER OF THE COPOLYMER, SAID LUBRICANT OIL COMPRISING FROM ABOUT 1 TO ABOUT 75% OF THE TOTAL NONVOLATILES OF THE COATING COMPOSITION AND BEING SUBSTANTIALLY INSOLUBLE IN THE RESIN.

Claim 2

Dependent Claim 144 words

PROCESS FOR COLD FORMING OR SHAPING METAL COMPRISING SUBJECTING TO DEFORMATION PRESSURE AGAINST A SOLID SURFACE METAL WHICH HAS BEEN COATED WITH A RESIN-OIL LAYER BY APPLYING TO ITS SURFACE A SINGLE AQUEOUS DISPERSION COMPOSITION AND DRYING SAID COMPOSITION TO REMOVE WATER AND OTHER VOLATILES, SAID COMPOSITION PREPARED BY BLENDING (A) A LUBRICANT OIL SELECTED FROM MINERAL OIL, ANIMAL OR VEGETABLE OILS, FATS, SOAPS, FATTY ESTERS, OR OTHER NATURAL OR SYNTHETIC OIL, GREASE, OR WAX LUBRICANT MATERIALS OR MIXTURES THEREOF, AND (B) A DISPERSION OR SOLUTION OF A NORMALLY SOLID COPOLYMER OF ETHYLENE AND ACRYLIC ACID, CONTAINING 15 TO 25% ACRYLIC ACID, IN WATER CONTAINING ALKALI SUFFICIENT TO FORM A WATER-SOLUBLE OR DISPERSABLE SALT OF IONOMER OF THE COPOLYMER, SAID LUBRICANT OIL COMPRISING FROM ABOUT 1 TO ABOUT 75% OF THE TOTAL NONVOLATILES OF THE COATING COMPOSITION AND BEING SUBSTANTIALLY INSOLUBLE IN THE RESIN.

Claim 3

Dependent Claim 23 words

Process of claim 1 in which the alkali for dissolving or dispersing the ethylene-acrylic acid copolymer is ammonium hydroxide or a volatile amine.

Claim 4

Dependent Claim 124 words

Process for cold forming or shaping metal comprising subjecting to deformation pressure against a solid surface metal which has been coated with a resin-oil layer by applying to its surface a single aqueous dispersion composition and drying said composition to remove water and other volatiles, said composition prepared by blending (a) from about 1% to about 75% lubricant oil selected from mineral oil, animal or vegetable oils, fats, soaps, fatty esters, and other natural or synthetic oil or grease lubricant materials or mixtures thereof and (b) the balance an aqueous dispersion or latex of a normally solid copolymer or terpolymer of ethylene and vinyl acetate or methacrylic acid containing 60 to 85% ethylene, 0 to 40% vinyl acetate, and 0 to 25% methacrylic acid.

Claim 5

Dependent Claim 124 words

Process for cold forming or shaping metal comprising subjecting to deformation pressure against a solid surface metal which has been coated with a resin-oil layer by applying to its surface a single aqueous dispersion composition and drying said composition to remove water and other volatiles, said composition prepared by blending (a) from about 1% to about 75% lubricant oil selected from mineral oil, animal or vegetable oils, fats, soaps, fatty esters, and other natural or synthetic oil or grease lubricant materials or mixtures thereof and (b) the balance an aqueous dispersion or latex of a normally solid copolymer or terpolymer of ethylene and vinyl acetate or methacrylic acid containing 60 to 85% ethylene, 0 to 40% vinyl acetate, and 0 to 25% methacrylic acid.

Claim 6

Dependent Claim 123 words

Method of forming metal comprising: a. emulsifying a lubricating oil in an aqueous suspension of a normally solid copolymer terpolymer or ionomer derived from ethylene and an ethylenically unsaturated monomer selected from vinyl acetate, acrylic acid, methacrylic acid, and crotonic acid, their salts and lower esters, the ethylene comprising from about 50% by weight to about 95% by weight of the copolymer or ionomer, the weight ratio of copolymer or ionomer to lubricant oil being from about 100:1 to about 1:3, the lubricant oil being substantially insoluble in the ethylene copolymer or ionomer; b. placing on metal to be formed a coating of the emulsion thereby made, c. drying said coating, and d. subjecting said metal to deformation pressure against a solid surface.

Claim 7

Dependent Claim 123 words

Method of forming metal comprising: a. emulsifying a lubricating oil in an aqueous suspension of a normally solid copolymer terpolymer or ionomer derived from ethylene and an ethylenically unsaturated monomer selected from vinyl acetate, acrylic acid, methacrylic acid, and crotonic acid, their salts and lower esters, the ethylene comprising from about 50% by weight to about 95% by weight of the copolymer or ionomer, the weight ratio of copolymer or ionomer to lubricant oil being from about 100:1 to about 1:3, the lubricant oil being substantially insoluble in the ethylene copolymer or ionomer; b. placing on metal to be formed a coating of the emulsion thereby made, c. drying said coating, and d. subjecting said metal to deformation pressure against a solid surface.

Claim 8

Dependent Claim 63 words

A process for cold-forming or shaping metal of claim 4, in which a solid powder or solution, from a group consisting of graphite, molybdenum sulfide, poly carbon monofluoride, tetrafluorethylene, nylon, talc, and kaolin clay is dispersed or suspended in the resin/oil coating composition so that upon application to the metal and drying, the solid powder is distributed in and bound by the coating.

Claim 9

Dependent Claim 21 words

Method of claim 4 wherein the dried coating has an average weight of at least about 50 milligrams per square foot.

Claim 10

Dependent Claim 23 words

Method of claim 4 followed by the step of removing the coating from the formed metal by cleaning it with an alkaline detergent.

Claim 11

Dependent Claim 39 words

Method of claim 4 wherein said drying is accomplished at a temperature above the softening point of the resin but below the temperature that will cause significant decomposition or evaporation of the resin or oil in the time exposed.

Claim 12

Dependent Claim 88 words

Composition useful for forming lubricant coatings comprising an emulsion of a lubricant oil in an aqueous dispersion of a normally solid adhesive resin copolymer, terpolymer or ionomer of ethylene and an ethylenically unsaturated monomer selected from the group consisting of vinyl acetate, acrylic acid, methacrylic acid, crotonic acid, their salts and lower esters, said resin containing about 50% to about 90% by weight ethylene, the weight ratio of resin to lubricant oil being from about 100;1 to about 1:3, the lubricant oil being substantially insoluble in the resin.

Claim 13

Dependent Claim 88 words

Composition useful for forming lubricant coatings comprising an emulsion of a lubricant oil in an aqueous dispersion of a normally solid adhesive resin copolymer, terpolymer or ionomer of ethylene and an ethylenically unsaturated monomer selected from the group consisting of vinyl acetate, acrylic acid, methacrylic acid, crotonic acid, their salts and lower esters, said resin containing about 50% to about 90% by weight ethylene, the weight ratio of resin to lubricant oil being from about 100;1 to about 1:3, the lubricant oil being substantially insoluble in the resin.

Claim 14

Dependent Claim 17 words

Composition of claim 9 in which the adhesive resin is a copolymer of ethylene and vinyl acetate.

Claim 15

Dependent Claim 18 words

Metal coated with at least about 0.54 grams per square meter of a dried composition of claim 10.

Claim 16

Dependent Claim 12 words

Composition of claim 9 in which the lubricant oil is mineral oil.

Claim 17

Dependent Claim 18 words

Metal coated with at least about 0.54 grams per square meTer of a dried composition of claim 12.

Claim 18

Dependent Claim 11 words

Composition of claim 9 in which the resin is an ionomer.

Claim 19

Dependent Claim 18 words

Metal coated with at least about 0.54 grams per square meter of a dried composition of claim 14.

Claim 20

Dependent Claim 16 words

Composition of claim 9 in which the resin is a copolymer of ethylene and acrylic acid.

Claim 21

Dependent Claim 34 words

Method of lubricating surfaces comprising applying to said surface a composition of claim 9 and drying it to form a coating having an average weight range of at least 50 milligrams per square foot.

Claim 22

Dependent Claim 18 words

Metal coated with at least about 0.54 grams per square meter of a dried composition of claim 9.

Claim 23

Dependent Claim 59 words

Method of making a composition useful for forming lubricant coatings comprising dispersing a copolymer of about 75 to about 85% by weight ethylene and about 15 to about 25% acrylic acid in water containing a volatile alkali, and emulsifying a lubricant oil in the resulting dispersion, the ratio of copolymer to lubricant oil being about 100:1 to about 1:3.

Claim 24

Dependent Claim 59 words

Method of making a composition useful for forming lubricant coatings comprising dispersing a copolymer of about 75 to about 85% by weight ethylene and about 15 to about 25% acrylic acid in water containing a volatile alkali, and emulsifying a lubricant oil in the resulting dispersion, the ratio of copolymer to lubricant oil being about 100:1 to about 1:3.

Claim 25

Dependent Claim 12 words

Method of claim 19 in which the volatile alkali is ammonium hydroxide.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1978-03-24	1978-09-23	1979-03-25	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1982-03-24	1982-09-23	1983-03-25	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1986-03-24	1986-09-23	1987-03-25	$7700.00	Window Closed / Lapsed

Resin-containing lubricant coatings

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