US4011728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for producing subaqueous and other cast-in-place concrete structures in situ
Assignee: Individual
•
Filing: 1976-03-18
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Granted: 1977-03-15
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Expires: 1996-03-18
Abstract
Abstract Means for repairing or forming structural bodies of self-hardening fluid cement mortar, in a subaqueous or other situs, utilizing a body-forming cavity including body-shaping walls of porous fabric in combination with openwork matrix means fixedly positioned at the situs. The matrix means is received within the body-shaping walls of porous fabric and connected thereto by tension-restraining tie-elements of predetermined length for controlling limited oppositely outward distension of the opposing walls away from the matrix as determined by the length of the tie-elements, upon reception of fluid mortar or like cementitious material within the body-shaping walls to expand the walls thereof to such given shape and size of the body formed by the cementitious material.
Inventors
- 👤 Lee A. Turzillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:25
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/168; F16L55/175; E; E02; E02B; E02B3/00; E02B3/04; E02B3/12; E02B3/122; E02B3/127; E02D; E02D19/00; E02D19/02; E02D19/04; E02D27/00; E02D27/32; E02D27/48; E02D29/00; E02D29/06; E02D37/00; E02D5/00; E02D5/18; E02D5/22; E02D5/64; E02D5/66; E02D5/665; E04; E04G; E04G21/00; E04G21/02; E04G21/04; E04G21/0418; E04G21/0472
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
135 words
A mold for forming cast-in-place concrete or like body from fluid, self-hardenable cementitious material to given shape and size in a subaqueous or other situs comprising: a flexible walled, bag-like container, a self-supportingly rigid matrix of openwork material received within said container, means for maintaining said matrix fixedly positioned at the situs, means for supporting said container with opposing walls in coextending relation to said fixedly positioned matrix, tension-restraining tie-elements of predetermined length connected between said matrix and opposing walls of said container for controlling limited oppositely outward distension of said opposing walls away from said matrix as determined by the length of said tie-elements, upon receiption of fluid self-hardenable cementitious material within said container to expand the walls thereof to such given shape and size of the body formed by the fluid cementitious material.
Claim 2
Dependent Claim
135 words
A mold for forming cast-in-place concrete or like body from fluid, self-hardenable cementitious material to given shape and size in a subaqueous or other situs comprising: a flexible walled, bag-like container, a self-supportingly rigid matrix of openwork material received within said container, means for maintaining said matrix fixedly positioned at the situs, means for supporting said container with opposing walls in coextending relation to said fixedly positioned matrix, tension-restraining tie-elements of predetermined length connected between said matrix and opposing walls of said container for controlling limited oppositely outward distension of said opposing walls away from said matrix as determined by the length of said tie-elements, upon receiption of fluid self-hardenable cementitious material within said container to expand the walls thereof to such given shape and size of the body formed by the fluid cementitious material.
Claim 3
Dependent Claim
38 words
The mold of claim 1 wherein said container is of generally porous-walled fabric, and a plurality of said tie-elements are anchored to said matrix and have stop portions thereon engageable by the opposing wall portions of said container.
Claim 4
Dependent Claim
28 words
The mold of claim 1 wherein said matrix is elongated and said container is annular to surround said matrix and define an annular body-forming cavity containing said matrix.
Claim 5
Dependent Claim
17 words
The mold of claim 3 wherein said container is of closed tubular form containing said matrix therein.
References Cited (Backward Citations)
US1265164A
Cited
US1530662A
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US3197964A
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US3396545A
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US3397260A
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US3555751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-03-14 | 1980-09-13 | 1981-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-14 | 1984-09-13 | 1985-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-14 | 1988-09-13 | 1989-03-15 | $7700.00 | Window Closed / Lapsed |