Concrete form
Abstract
Abstract A CONCRETE FORM USED IN FORMING A CONTRACTION JOINT BETWEEN ADJACENT CONCRETE SLABS. THE CONCRETE FORM COMPRISES A PLURALITY OF ALIGNED STAKES AND AN ELONGATED RELATIVELY RIGID SHEET MEMBER. EACH OF THE STAKES HAS A GENERALLY VERTICALLY DISPOSED BODY PORTION AND AT LEAST A PAIR OF SAID STAKES HAS VERTICALLY SPACED-APART SUPPORT MEANS DISPOSED GENERALLY TRANSVERSELY TO SAID BODY PORTION. THE SHEET MEMBER HAS AN UPPER, LONGITUDINALLY EXTENDING, GENERALLY PLANAR PORTION AND A LONGITUDINALLY EXTENDING KEY DEFORMATION DEPENDING FROM SAID UPPER PLANAR PORTION, SAID KEY DEFORMATION PORTION HAVING FIRST AND SECOND PARTS. THE SHEET MEMBER HAS VERTICALLY SPACED-APART MEANS ENGAGING THE SUPPORTING MEANS OF SAID STAKES WHEREIN THE VERTICAL DISTANCE SEPARATING THE VERTICALLY SPACEAPART MEANS OF SAID MEMBER, PRIOR TO THE MOUNTING OF SAID MEMBER UPON SAID STAKES, SLIGHTLY DIFFERENT FROM THE VERTICAL DISTANCE SEPARATING THE SUPPORT MEANS OF SAID STAKES WHEREBY SAID FIRST PART OF SAID KEY DEFORMATION IS BIASEDLY MOUNTED RELATIVE TO THE SECOND PART AND THE MEANS OF SAID MEMBER COOPERATE WITH THE SUPPORT MEANS OF SAID STAKES TO PREVENT VERTICAL MOVEMENT OF SAID MEMBER RELATIVE TO SAID STAKES.
Inventors
- 👤 Duane C Burton
Bibliographic Details
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
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