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US 9,481,993 B2Granted
Formwork for use in the construction of arched structures and a method of constructing arched structures
AssigneeLock-Block Ltd.
InventorJames Joseph Drew
Life of this patent
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Abstract
A formwork for constructing an arched structure comprises a first end panel and a second end panel. A plurality of longitudinal members extends between the first end panel and the second end panel. The longitudinal members are arranged in an arced formation and the longitudinal members slope between the first end panel and the second end panel. The formwork may have rollers disposed along lengths of the longitudinal members.
Claims7
A formwork for constructing an arched structure, the formwork comprising:
- a front end;
- a rear end;
- and
- a plurality of longitudinal members each extending from the front end of the formwork to the rear end of the formwork and rollers mounted on and along each of the longitudinal members, wherein the longitudinal members are arranged in an arcuate formation and the front end and the rear end are vertically offset such that each longitudinal member slopes downwardly from the front end of the formwork to the rear end of the formwork, and the rollers are configured to roll against voussoirs and keystones during construction of the arched structure.
1 more element
Dependencies are inferred from the claim text.