Patent · US Expired

Gang form

US4695031A · kind A · utility

3Cited by
12References
12Claims
0Family size

Inventor

Key dates

Filing dateNov 14, 1985
Grant dateSep 22, 1987
Priority date
Expiry dateNov 14, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB28B23/02
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A gang form in which a single or a plurality of precast concrete beams will be molded at one time, the gang form comprising a first and two second vertical walls, the first wall being a straight wall, the two second walls spaced apart one from another extend transversely away from the first wall while having an end abutting the first wall, a tier or tiers of precast concrete beams being molded by placing fluid concrete into a mold compartment comprising the top surface of either a starter slab or a previously precast beam, a longitudinal segmental strip of a vertical surface of the first wall or the vertical surface of a previously constructed tier and an individual mold side member, which side member is restrained by restraint means placed exterior of said mold compartment, the restraint means allowing the individual mold side member to be adjusted vertically while also being adjusted horizontally at various distances apart from a face of the first wall, the precast concrete beams while molded in their mold compartment are in an unnatural first arrangement with the natural sides of the beams being superimposed one upon another, in the first arrangement the natural top and bottom o…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.