Sleeve assembly for forming openings in molded sructures

Details Sleeve assembly for forming openings in molded sructures Sleeve assembly for forming openings in molded sructures

E - Fixed Constructions

04

G

72/137

E04G 15/06 (2006.01) E04G 15/04 (2006.01)

Patent

CA 1106203

Abstract of the Disclosure A sleeve assembly for forming a lined opening in molded structures made from concrete or the like, the sleeve providing the lining and being held in place during formation of the structure by a pair of conical sleeve lock elements having extended tapering surfaces for supporting sleeves of a variety of sizes, the sleeve lock elements preferably being held in place upon forming panels for the structure by means of a central stabilizing rod penetrating through the sleeve lock elements and the panels. An additional embodiment of the sleeve assembly is adapted to be secured to a generally horizontal panel upon which a molded structure such as a floor is formed.

327699

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