Patent US4280677A successfully refreshed from Google Patents.
US4280677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shuttering
Assignee: Individual
•
Filing: 1979-05-03
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Granted: 1981-07-28
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Expires: 1999-05-03
Abstract
Abstract A shuttering for casting therein concrete structures is composed of panels, a set comprising at least two panels each of which is provided along at least one edge thereof with two parallel grooves in combination with at least one rail for connecting the panels such rail having profiled portions fitting into either of the grooves, means being provided on the said rail for forcibly urging the panels towards one another whenever the said profiled portions of the rail are engagingly inserted in the grooves of the two panels.
Inventors
- 👤 Moshe Shahar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:03
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/02; E04G17/001
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
131 words
A set of elements for construction of shutterings in which concrete or like structures can be cast, the set comprising at least two panels each of which is provided adjacent at least one edge thereof with two parallel grooves in a major face thereof; at least one rail means for connecting said at least two panels, said rail means having profiled portions which can be fitted into either of the said grooves in either of said at least two panels to position said two panels in either a co-planar or angular relative position to one another; and means provided on said rail means for forcibly urging said panels toward one another whenever said profiled portions of the rail means are engagingly inserted in any of said grooves in said two panels.
Claim 2
Dependent Claim
131 words
A set of elements for construction of shutterings in which concrete or like structures can be cast, the set comprising at least two panels each of which is provided adjacent at least one edge thereof with two parallel grooves in a major face thereof; at least one rail means for connecting said at least two panels, said rail means having profiled portions which can be fitted into either of the said grooves in either of said at least two panels to position said two panels in either a co-planar or angular relative position to one another; and means provided on said rail means for forcibly urging said panels toward one another whenever said profiled portions of the rail means are engagingly inserted in any of said grooves in said two panels.
Claim 3
Dependent Claim
78 words
A set of elements as claimed in claim 1, wherein said means for forcibly urging said at least two panels toward one another is constituted by a profiled member adapted to engage in one of said grooves in one of said at least two panels, a bar whose end constitutes a presser foot attached to said member and a cam attached to said member, turnably about an axis and having a handle by which is may be turned.
Claim 4
Dependent Claim
15 words
A set of elements as claimed in claim 2, wherein said bar is a rack.
Claim 5
Dependent Claim
69 words
A shuttering for casting concrete structures built up from elements according to claim 8, comprising oppositely disposed panels constituting opposite walls of the shuttering, at least one end panel extending between two of said oppositely disposed panels near first ends thereof, said at least one end panel being held to said two of oppositely disposed panels by respective profiled rails engaging in grooves extending in said oppositely disposed panels.
Claim 6
Dependent Claim
98 words
A shuttering for casting concrete structures assembled from elements of the sets claimed in claim 9, wherein said oppositely disposed panels comprises a plurality of oppositely disposed panels arranged in two planes, and including wooden fillets inserted between ones of said plurality of oppositely disposed panels and in which holes are drilled, said holes in oppositely disposed fillets being in registar, rods passed through said holes in said oppositely disposed fillets and short pieces of tubing slipped on said rods to serves as spacing pieces for said oppositely disposed panels of the shuttering arranged in said two planes.
Claim 7
Dependent Claim
75 words
A shuttering for casting concrete structures built up from elements according to either claim 1 or claim 2, comprising oppositely disposed panels constituting opposite walls of the shuttering, at least one end panel extending between two of said oppositely disposed panels near first ends thereof, said at least one end panel being held to respective said two of said oppositely disposed panels by respective profiled rails engaging in grooves extending in said oppositely disposed panels.
Claim 8
Dependent Claim
95 words
Shuttering for casting concrete structures assembled from elements of the sets claimed in claim 6, wherein said oppositely disposed panels comprises a plurality of oppositely disposed panels arranged in two planes, and including wooden fillets inserted between ones of said oppositely disposed panels and in which holes are drilled, said holes in oppositely disposed fillets being in registar, rods passed through said holes in said oppositely disposed fillets and short pieces of tubing slipped on said rods to serve as spacing pieces for said oppositely disposed panels of the shuttering arranged in said two planes.
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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) | 1984-07-27 | 1985-01-26 | 1985-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-27 | 1989-01-26 | 1989-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-27 | 1993-01-26 | 1993-07-28 | $7700.00 | Window Closed / Lapsed |