Concrete wall form seal member

Details Concrete wall form seal member Concrete wall form seal member

E - Fixed Constructions

04

C

72/75, 72/80

E04C 5/18 (2006.01) E04G 17/07 (2006.01)

Patent

CA 1036331

CONCRETE WALL FORM SEAL MEMBER Abstract of the Disclosure A seal member is provided for use in concrete wall form construction which sealingly engages with a form bore through which a tie rod supporting the seal member passes so as to prevent leakage of wet concrete from the form. The seal member comprises a cylindrical member which is radially expanded into sealing engagement with the form bore by means of a partly tapered seal element in the form of an off-set retainer core. Sealing is automatically achieved by means of the seal member to be axially moved by the form wedges during locking up of the form. Alternate embodiments provide a radially expanding seal, which is expanded by axial movement of the seal member, as well as an off-set retainer core. The offset enables the frustoconically shaped cones or insert members to function both to form a depression in the cast concrete, as well as to serve as spreaders for location of the wall forms. Additional embodiments provide a rubber ring seal, together with shield members; yet another embodiment provides a sealing sleeve.

215096

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