Tie assembly for erecting concrete forms

Details Tie assembly for erecting concrete forms Tie assembly for erecting concrete forms

E - Fixed Constructions

04

G

72/75, 72/80

E04G 17/08 (1980.01)

Patent

CA 1043080

ABSTRACT OF THE DISCLOSURE A feed-through, self-sealing tie assembly for mounting as a unit on concrete forms and capable of being removed therefrom without disassembling the forms or the tie assembly is disclosed. The tie assembly includes an elongated tie rod on which is mounted an elongatable, elastomeric sleeve. The sleeve and the tie rod have interengageable surfaces for releasably coupling the sleeve to the tie rod. Guide means positioned over one end of the sleeve facilitates insertion of the tie assembly through corresponding spaced openings in the forms so that both ends of the sleeve are projected exteriorly of the forms. The openings are sealed by the elastomeric sleeve due to the lateral deformation of the sleeve when in the form openings and by the compressive forces exerted by the concrete on the tie assembly. Thus, the elastomeric sleeve provides a self-sealing and removable closure. Wedges or nuts coo- perate in coupling the tie rod to the forms; and external spreader brackets are provided to maintain the forms apart the prescribed distance.

236462

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