Collapsible molds and spacers therefor
First Claim
1. For use in a mold for concrete or the like, elongated spacer means for interconnecting mold plates and comprising an elongated spacer portion having opposed ends, a pair of holding plates situated at said opposed ends of said elongated spacer portion, and adapted to rest against inner surfaces of a pair of mold plates whose inner surfaces are directed toward each other, and a pair of flexible hinge means respectively interconnecting said holding plates with said spacer portion at said ends thereof for rendering said holding plates turnable with respect to said spacer portion about a pair of parallel axes, respectively, and a pair of fastening means respectively fixed to said holding plates and extending outwardly therefrom away from the spacer portion between said holding plates, said pair of fastening means being adapted to extend through openings of a pair of mold plates for fastening the latter to said holding plates, said spacer portion, holding plates, and flexible hinge means all being integral with each other and made of plastic material so as to form a single body of plastic material.
0 Assignments
0 Petitions
Accused Products
Abstract
Spacer for the connection of mold plates for making collapsible molds elements comprising a spacing portion which has at its ends holding portions, hinge like secured thereto via flexible hinges, wherein said spacing portion and said holding portions at its ends connected with one another via the flexible hinges are one piece of plastic material; and molds made therefrom.
78 Citations
14 Claims
- 1. For use in a mold for concrete or the like, elongated spacer means for interconnecting mold plates and comprising an elongated spacer portion having opposed ends, a pair of holding plates situated at said opposed ends of said elongated spacer portion, and adapted to rest against inner surfaces of a pair of mold plates whose inner surfaces are directed toward each other, and a pair of flexible hinge means respectively interconnecting said holding plates with said spacer portion at said ends thereof for rendering said holding plates turnable with respect to said spacer portion about a pair of parallel axes, respectively, and a pair of fastening means respectively fixed to said holding plates and extending outwardly therefrom away from the spacer portion between said holding plates, said pair of fastening means being adapted to extend through openings of a pair of mold plates for fastening the latter to said holding plates, said spacer portion, holding plates, and flexible hinge means all being integral with each other and made of plastic material so as to form a single body of plastic material.
Specification