Patent US4162237A successfully refreshed from Google Patents.
US4162237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cement for wall and floor coverings and the like
Assignee: Individual
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Filing: 1977-04-11
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Granted: 1979-07-24
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Expires: 1997-04-11
Abstract
Abstract A cement for attaching covering to walls, floors and similar bases includes an adhesive substance which may be glue or a synthetic adhesive and a filler material which may be powdered glass or quartz and which has the property of not interacting with the adhesive nor to be dissolved therein and to adhere to the adhesive substance only slightly or not at all. When the layer of cement dries after attachment, e.g., of the wall covering to the wall, the covering may subsequently be removed therefrom by simply pulling and without damage to either the base or the covering, because the cement splits into two separate layers, one of which remains on the base and the other of which remains on the covering being removed. In another embodiment, a layer of cement is applied to the covering and then dried. For attachment of the covering to the base, another layer of either splittable or non-splittable cement is applied to the layer of dried cement already present. Upon removal of the covering, the first cement layer splits into two layers.
Inventors
- 👤 Albert Kauderer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:51
CPC Classifications
C; C09; C09J; C09J101/00; C09J101/08; C09J101/26; C09J101/28; C08; C08L; C08L2666/00; C08L2666/28; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/252; Y10T428/28; Y10T428/2852; Y10T428/2878
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
178 words
A cement for attaching coverings to walls, floors, ceilings and similar bases, comprising: an adhesive substance which, when dried, is flexible; and a filler powder admixed with said adhesive substance, said filler powder being insoluble in and chemically non-reactive with said adhesive substance and substantially non-adherent to said adhesive substance and having a very small grain size such that the maximum of the distribution curve of the grain size lies in the region from 0.005 mm to 0.035 mm and wherein the grain size of at least the major portion by weight of said filler powder is uniform to within ± 0.018 mm, the cement having a viscosity such that the thickness of the cement in the dried condition is at least twice the average grain size of said filler powder; whereby, when said cement has dried, said coverings may be removed from said bases by pulling off said coverings to thereby split said cement in a manner which leaves a substantially continuous part of the cement layer on said bases and another such part on said coverings.
Claim 2
Dependent Claim
178 words
A cement for attaching coverings to walls, floors, ceilings and similar bases, comprising: an adhesive substance which, when dried, is flexible; and a filler powder admixed with said adhesive substance, said filler powder being insoluble in and chemically non-reactive with said adhesive substance and substantially non-adherent to said adhesive substance and having a very small grain size such that the maximum of the distribution curve of the grain size lies in the region from 0.005 mm to 0.035 mm and wherein the grain size of at least the major portion by weight of said filler powder is uniform to within ± 0.018 mm, the cement having a viscosity such that the thickness of the cement in the dried condition is at least twice the average grain size of said filler powder; whereby, when said cement has dried, said coverings may be removed from said bases by pulling off said coverings to thereby split said cement in a manner which leaves a substantially continuous part of the cement layer on said bases and another such part on said coverings.
Claim 3
Dependent Claim
19 words
A cement as defined by claim 1, consisting essentially of said adhesive substance and said filler powder admixed thereto.
Claim 4
Dependent Claim
18 words
A cement as defined by claim 1, wherein the grain size of said filler powder is substantially uniform.
Claim 5
Dependent Claim
29 words
A cement as defined by claim 1, wherein the maximum of the distribution curve of the grain size in said filler powder lies in the region of 0.010-0.020 mm.
Claim 6
Dependent Claim
27 words
A cement as defined by claim 1, wherein the grain size of at least 95% by weight of said filler powder is uniform to within ±0.014 mm.
Claim 7
Dependent Claim
27 words
A cement as defined by claim 1, wherein the grain size of at least 50% by weight of said filler powder is uniform to within ±0.006 mm.
Claim 8
Dependent Claim
21 words
A cement as defined by claim 1, wherein the grain size of said filler powder is uniform to within ±0.0035 mm.
Claim 9
Dependent Claim
37 words
A cement as defined by claim 1, wherein the maximum of the distribution curve of the grain size of said filler powder is in the region of 0.015 to 0.020 mm, and preferably at approximately 0.017 mm.
Claim 10
Dependent Claim
18 words
A cement as defined by claim 1, wherein said filler powder is at least partially ground quartz powder.
Claim 11
Dependent Claim
18 words
A cement as defined by claim 1, wherein said filler powder is at least partially ground glass powder.
Claim 12
Dependent Claim
18 words
A cement as defined by claim 1, wherein said powder is at least partially constituted by polyethylene particles.
Claim 13
Dependent Claim
17 words
A cement as defined by claim 11, wherein said powder is at least partially softened PVC particles.
Claim 14
Dependent Claim
18 words
A cement as defined by claim 1, wherein said filler powder consists at least partially of rubber particles.
Claim 15
Dependent Claim
42 words
A cement as defined by claim 1, having a viscosity such that when said cement is applied to said covering the resultant layer has a thickness within the range of 2.5 to 4 times the average grain size of said filler powder.
Claim 16
Dependent Claim
15 words
A cement as defined by claim 1, wherein said adhesive substance is an aqueous dispersion.
Claim 17
Dependent Claim
19 words
A cement as defined by claim 15, wherein said adhesive substance is a dispersion of an acrylic ester copolymer.
Claim 18
Dependent Claim
24 words
A cement as defined by claim 15, wherein said adhesive substance is a terpolymer synthetic dispersion based on vinyl acetate, vinyl versatate and acrylate.
Claim 19
Dependent Claim
25 words
A cement as defined by claim 15, wherein said adhesive substance is an internally plasticized copolymer dispersion on the basis of vinyl acetate-acrylic acid esters.
Claim 20
Dependent Claim
17 words
A cement as defined by claim 1, wherein said adhesive substance comprises a glue dissolved in water.
Claim 21
Dependent Claim
19 words
A cement as defined by claim 19, wherein said adhesive substance also contains methylcellulose and polyethyleneglycol as a softener.
Claim 22
Dependent Claim
46 words
A cement as defined by claim 1, wherein the dried weights of said adhesive substance and said filler powder are such that 5 to 20% of the volume of the dried cement is adhesive substance and 80 to 95% of the volume is said filler powder.
Claim 23
Dependent Claim
18 words
A cement as defined by claim 1, wherein the constituent particles of said filler powder have smooth surfaces.
Claim 24
Dependent Claim
15 words
A cement as defined by claim 22, wherein said particles are of substantially spherical shape.
Claim 25
Dependent Claim
24 words
A cement as defined by claim 1, in which said adhesive substance includes an aqueous, macroparaffinic wax dispersion, silicone or a hydrophobic metal soap.
Claim 26
Dependent Claim
16 words
A cement as defined by claim 1, wherein said filler powder consists substantially of quartz powder.
Claim 27
Dependent Claim
37 words
A cement as defined by claim 1, wherein said filler powder is ground quartz or glass powder and wherein the water content of said cement is no greater than 30% by weight and preferably 20-25% by weight.
Claim 28
Dependent Claim
187 words
A covering for walls, floors, or ceilings or similar bases, one surface of which is supplied with a layer of a cement that comprises: an adhesive substance which, when dried, is flexible: a filler powder admixed with said adhesive substance, said filler powder being insoluble in and chemically non-reactive with said adhesive substance and substantially non-adherent to said adhesive substance and having a very small grain size such that the maximum of the distribution curve of the grain size lies in the region from 0.005 mm to 0.035 mm and wherein the grain size of at least the major portion by weight of said filler powder is uniform to within ±0.018 mm, the cement having a viscosity such that the thickness of the cement in the dried condition is at least twice the average grain size of said filler powder; whereby, when said cement has dried, said coverings may be removed from said bases by pulling off said coverings to thereby split said cement in a manner which leaves a substantially continuous part of the cement layer on said bases and another such part on said coverings.
Claim 29
Dependent Claim
187 words
A covering for walls, floors, or ceilings or similar bases, one surface of which is supplied with a layer of a cement that comprises: an adhesive substance which, when dried, is flexible: a filler powder admixed with said adhesive substance, said filler powder being insoluble in and chemically non-reactive with said adhesive substance and substantially non-adherent to said adhesive substance and having a very small grain size such that the maximum of the distribution curve of the grain size lies in the region from 0.005 mm to 0.035 mm and wherein the grain size of at least the major portion by weight of said filler powder is uniform to within ±0.018 mm, the cement having a viscosity such that the thickness of the cement in the dried condition is at least twice the average grain size of said filler powder; whereby, when said cement has dried, said coverings may be removed from said bases by pulling off said coverings to thereby split said cement in a manner which leaves a substantially continuous part of the cement layer on said bases and another such part on said coverings.
Claim 30
Dependent Claim
33 words
A covering as defined by claim 27, wherein the adhesive property of said adhesive substance in said layer is irreversible; whereby an additional cement is required for attaching said covering to said base.
Claim 31
Dependent Claim
47 words
A covering as defined by claim 28, wherein the adhesive property of said adhesive substance can be rejuvenated by moistening with water; whereby said layer reacquires adhesive properties and can be used for the attachment of said covering to said base without an additional layer of cement.
Claim 32
Independent Claim
195 words
A method for producing a covering for walls, floors, ceilings and similar bases comprising the steps of: applying to said covering a cement which includes an adhesive substance which, when dried, is flexible; and a filler powder admixed with said adhesive substance, said filler powder being insoluble in and chemically non-reactive with said adhesive substance and substantially non-adherent to said adhesive substance and having a very small grain size such that the maximum of the distribution curve of the grain size lies in the region from 0.005 mm to 0.035 mm and wherein the grain size of at least the major portion by weight of said filler powder is uniform to within ±0.018 mm, the cement having a viscosity such that the thickness of the cement in the dried condition is at least twice the average grain size of said filler powder; whereby, when said cement has dried, said coverings may be removed from said bases by pulling off said coverings to thereby split said cement in a manner which leaves a substantially continuous part of the cement layer on said bases and another such part on said coverings; and drying said layer of cement.
Claim 33
Independent Claim
195 words
A method for producing a covering for walls, floors, ceilings and similar bases comprising the steps of: applying to said covering a cement which includes an adhesive substance which, when dried, is flexible; and a filler powder admixed with said adhesive substance, said filler powder being insoluble in and chemically non-reactive with said adhesive substance and substantially non-adherent to said adhesive substance and having a very small grain size such that the maximum of the distribution curve of the grain size lies in the region from 0.005 mm to 0.035 mm and wherein the grain size of at least the major portion by weight of said filler powder is uniform to within ±0.018 mm, the cement having a viscosity such that the thickness of the cement in the dried condition is at least twice the average grain size of said filler powder; whereby, when said cement has dried, said coverings may be removed from said bases by pulling off said coverings to thereby split said cement in a manner which leaves a substantially continuous part of the cement layer on said bases and another such part on said coverings; and drying said layer of cement.
Claim 34
Dependent Claim
32 words
A cement as defined by claim 1, wherein the maximum of the distribution curve of the grain size in said filler powder lies in the region of 0.020 mm to 0.030 mm.
Claim 35
Dependent Claim
18 words
A cement in accordance with claim 1 characterized in that the filling powder consists of 100% quartz powder.
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) | 1982-07-23 | 1983-01-22 | 1983-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-07-23 | 1987-01-22 | 1987-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-07-23 | 1991-01-22 | 1991-07-24 | $7700.00 | Window Closed / Lapsed |