Patent US4668451A successfully refreshed from Google Patents.
US4668451A
Expired / Lapsed
US
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Process of making a full life size artificial rock formation from a natural rock formation surface
Assignee: Individual
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Filing: 1985-05-09
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Granted: 1987-05-26
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Expires: 2005-05-09
Abstract
Abstract A process of making a full life size artificial rock formation of photocopy exactness from a natural rock formation surface is disclosed herein. A plurality of coats of latex is applied over the natural rock surface and allowed to dry thus forming a mask having all the natural cracks and crevices of the natural rock surface. This mask or liner is held in a fiberglass mold and a vacuum is applied to the inner surface of said liner causing all the cracks and crevices to open up. Cement is applied to the outer surface of the liner filling all the cracks and crevices. When the liner is removed the artificial surface resembles the natural rock surface in photocopy exactness.
Inventors
- 👤 Bruce K. Langson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:56
CPC Classifications
B; B44; B44F; B44F9/00; B44F9/04; B28; B28B; B28B1/00; B28B1/30; B28B1/32; B28B7/00; B28B7/34; B28B7/348; B44C; B44C5/00; B44C5/06; Y; Y10; Y10S; Y10S264/00; Y10S264/78
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
151 words
A process of making a full life-size artificial rock formation from a natural rock formation surface comprising the steps of: (a) applying latex over the rock surface to form a latex liner; (b) applying a bond breaker over the latex liner; (c) applying fiberglass over the bond breaker to form a cradle; (d) removing the latex liner and the cradle from the rock surface; (e) installing a filter cloth between said latex liner and said cradle; (f) sealing around the periphery of the latex liner and cradle to seal the area between cradle latex liner; (g) applying a vacuum within said cradle between the cradle and the filter cloth to hold the latex liner in place against the filter cloth and cradle; (h) applying structural cement over the outer surface of the latex liner; (i) removing the cradle, filter cloth and latex liner from the surface of the formed structure cement.
Claim 2
Dependent Claim
151 words
A process of making a full life-size artificial rock formation from a natural rock formation surface comprising the steps of: (a) applying latex over the rock surface to form a latex liner; (b) applying a bond breaker over the latex liner; (c) applying fiberglass over the bond breaker to form a cradle; (d) removing the latex liner and the cradle from the rock surface; (e) installing a filter cloth between said latex liner and said cradle; (f) sealing around the periphery of the latex liner and cradle to seal the area between cradle latex liner; (g) applying a vacuum within said cradle between the cradle and the filter cloth to hold the latex liner in place against the filter cloth and cradle; (h) applying structural cement over the outer surface of the latex liner; (i) removing the cradle, filter cloth and latex liner from the surface of the formed structure cement.
Claim 3
Dependent Claim
25 words
A process according to claim 1 wherein step (a) includes applying a plurality of coats of latex having chopped fiberglass mixed with latex for strength.
Claim 4
Dependent Claim
19 words
A process according to claim 2 wherein step (a) includes allowing the plurality of coats of latex to cure.
Claim 5
Dependent Claim
18 words
A process according to claim 3 wherein step (b) includes a step of allowing the fiberglass to cure.
Claim 6
Dependent Claim
26 words
A process according to claim 4 wherein step (d) includes a step of separating the latex liner from the cradle prior to installing the filter cloth.
Claim 7
Dependent Claim
33 words
A process according to claim 5 wherein step (d) further includes washing the latex liner and cradle with an aqueous wash medium and allowing both to dry prior to installing the filter cloth.
Claim 8
Dependent Claim
22 words
A process according to claim 6 wherein step (e) includes sealing the periphery of the latex liner to the cradle with caulk.
Claim 9
Dependent Claim
21 words
A process according to claim 7 wherein step (e) further includes applying clamps around the periphery of the liner and cradle.
Claim 10
Dependent Claim
34 words
A process according to claim 8 wherein step (f) includes a step of installing vacuum ports to the cradle and lines to said ports running to a vacuum pump prior to applying the vacuum.
Claim 11
Dependent Claim
19 words
A process according to claim 9 wherein step (f) includes applying highlight color to the outer surface latex liner.
Claim 12
Dependent Claim
19 words
A process according to claim 10 wherein step (f) further includes positioning the cradle in position and bracing it.
Claim 13
Dependent Claim
38 words
A process according to claim 11 wherein step (f) further includes applying color cement to the outer surface of the latex liner over the highlight color after the cradle is positioned and allowing said color cement to cure.
Claim 14
Dependent Claim
37 words
A process according to claim 12 wherein said structural cement applied to step (g) comprises materials selected from the group of regular cement, steel supports, chopped steel fibers and mixtures thereof and allowing the mixture to cure.
Claim 15
Dependent Claim
24 words
A process according to claim 13 wherein step (a) includes cleaning the surface of the rock formation prior to applying latex over its surface.
Claim 16
Dependent Claim
231 words
A process of making a full life size artificial rock formation from a natural rock formation surface comprising the steps of : (a) cleaning the surface of the natural rock formation; (b) applying a latex to the surface of the natural rock formation forming a latex liner; (c) applying a bond breaker coating over the latex liner; (d) applying fiberglass over the bond breaker to form a cradle; (e) removing the cradle; (f) removing the latex liner from the surface of the natural rock formation; (g) cleaning the latex liner and cradle; (h) installing vacuum ports and lines to the cradle and connecting a vacuum pump to said lines; (i) applying a filter cloth inside the cradle; (j) sealing the latex liner to the cradle; (k) applying clamps around the periphery of the liner; (l) applying a vacuum to the line through vacumm lines to hold the latex liner in place against the filter cloth and cradle; (m) applying highlight color to the outer surface of the latex liner; (n) bracing the cradle in position; (o) applying color cement onto the outer surface latex liner; (p) applying structural cement over the color cement; (q) allowing the cement to cure to form the full life-size artificial rock formation; (r) releasing the vacuum; (s) removing the cradle and filter cloth from the latex liner; (t) removing the latex liner from the formed product.
Claim 17
Dependent Claim
231 words
A process of making a full life size artificial rock formation from a natural rock formation surface comprising the steps of : (a) cleaning the surface of the natural rock formation; (b) applying a latex to the surface of the natural rock formation forming a latex liner; (c) applying a bond breaker coating over the latex liner; (d) applying fiberglass over the bond breaker to form a cradle; (e) removing the cradle; (f) removing the latex liner from the surface of the natural rock formation; (g) cleaning the latex liner and cradle; (h) installing vacuum ports and lines to the cradle and connecting a vacuum pump to said lines; (i) applying a filter cloth inside the cradle; (j) sealing the latex liner to the cradle; (k) applying clamps around the periphery of the liner; (l) applying a vacuum to the line through vacumm lines to hold the latex liner in place against the filter cloth and cradle; (m) applying highlight color to the outer surface of the latex liner; (n) bracing the cradle in position; (o) applying color cement onto the outer surface latex liner; (p) applying structural cement over the color cement; (q) allowing the cement to cure to form the full life-size artificial rock formation; (r) releasing the vacuum; (s) removing the cradle and filter cloth from the latex liner; (t) removing the latex liner from the formed product.
Claim 18
Dependent Claim
30 words
A process according to claim 15 wherein applying the latex in step (b) includes applying a plurality of coats of latex including chopped fiberglass mixed with the latex for strength.
Claim 19
Dependent Claim
31 words
A process according to claim 16 wherein said structural cement applied in step (p) comprises materials selected from the group of regular cement, steel supports, chopped steel fibers and mixtures thereof.
Claim 20
Dependent Claim
34 words
A process according to claim 17 wherein after steps (a), (b), (c), (d), (g), (m), (o), and (p), the process is allowed to dry or cure prior to the application of the next step.
Claim 21
Dependent Claim
348 words
A process of making a full life size artificial rock formation from a natural rock formation surface comprising the steps of: (a) cleaning the surface of a natural rock formation; (b) allowing the rock surface to dry; (c) applying a plurality of coats of latex to the surface of the natural rock formation; (d) applying a second plurality of coats of latex mixed with chopped fiberglass straws over the first plurality of coats of latex; (e) applying a third plurality of coats of pure latex over the second plurality of coats of latex forming a latex liner; (f) applying a bond breaker coating over the latex liner; (g) applying fiberglass over the bond breaker; (h) allowing the fiberglass to cure thus forming a cradle; (i) removing the cradle and latex liner from the surface of the natural rock formation; (j) removing the cradle from the latex liner; (k) cleaning the latex liner and the cradle; (l) installing vacuum ports and lines to the cradle and connecting a compressor to said lines; (m) applying a filter cloth inside the cradle; (n) placing the latex liner on top of the filter cloth; (o) sealing the latex liner to the cradle around their common periphery with caulk; (p) applying clamps around the periphery of the liner and cradle; (q) applying a vacuum to the liner through the vacuum lines to hold the latex liner in place against the filter cloth and cradle; (r) applying highlight color to the outer surface of the latex liner; (s) positioning the cradle and bracing it; (t) applying color cement onto the outer surface of the latex liner over the highlight color; (u) allowing the color cement to cure; (v) applying structural cement over the color cement wherein said structural cement comprises materials selected from the group of regular cement, steel supports, chopped steel fibers and mixtures thereof; (w) allowing the structural cement to cure to form the full life-size artificial rock formation; (x) releasing the vacuum; (y) removing the cradle and filter cloth; (z) removing the latex liner from the color cement and formed product.
Claim 22
Dependent Claim
348 words
A process of making a full life size artificial rock formation from a natural rock formation surface comprising the steps of: (a) cleaning the surface of a natural rock formation; (b) allowing the rock surface to dry; (c) applying a plurality of coats of latex to the surface of the natural rock formation; (d) applying a second plurality of coats of latex mixed with chopped fiberglass straws over the first plurality of coats of latex; (e) applying a third plurality of coats of pure latex over the second plurality of coats of latex forming a latex liner; (f) applying a bond breaker coating over the latex liner; (g) applying fiberglass over the bond breaker; (h) allowing the fiberglass to cure thus forming a cradle; (i) removing the cradle and latex liner from the surface of the natural rock formation; (j) removing the cradle from the latex liner; (k) cleaning the latex liner and the cradle; (l) installing vacuum ports and lines to the cradle and connecting a compressor to said lines; (m) applying a filter cloth inside the cradle; (n) placing the latex liner on top of the filter cloth; (o) sealing the latex liner to the cradle around their common periphery with caulk; (p) applying clamps around the periphery of the liner and cradle; (q) applying a vacuum to the liner through the vacuum lines to hold the latex liner in place against the filter cloth and cradle; (r) applying highlight color to the outer surface of the latex liner; (s) positioning the cradle and bracing it; (t) applying color cement onto the outer surface of the latex liner over the highlight color; (u) allowing the color cement to cure; (v) applying structural cement over the color cement wherein said structural cement comprises materials selected from the group of regular cement, steel supports, chopped steel fibers and mixtures thereof; (w) allowing the structural cement to cure to form the full life-size artificial rock formation; (x) releasing the vacuum; (y) removing the cradle and filter cloth; (z) removing the latex liner from the color cement and formed product.
References Cited (Backward Citations)
US4043826A
Cited
US4496511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-25 | 1990-11-24 | 1991-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-25 | 1994-11-24 | 1995-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-25 | 1998-11-24 | 1999-05-26 | $7700.00 | Window Closed / Lapsed |