E - Fixed Constructions – 04 – G
Patent
E - Fixed Constructions
04
G
72/143
E04G 17/06 (2006.01)
Patent
CA 1296542
ABSTRACT OF THE DISCLOSURE The present invention relates to a device for prevention of rainwater or like from penetrating into a concrete structure around each separator left embedded therein. said device comprising a hollow cylinder of synthetic resin, the latter including a female threaded cylinder made of metal or other material embedded in the interior at one end thereof and water-swollen damming-up outer rings fixed on the outer periphery so as to serve together as terminals, a threaded cylindrical portion formed at one end of each of said terminals being engaged with a male threaded portion formed around the corresponding end of the separator, and said cylinder of synthetic resin further including a plug provided with a water-swollen damming-up inner ring fixed into the interior at the other end thereof.
563890
Fukushima Takuo
Hayashida Yasumasa
Ishii Shigemichi
Ogou Sunoo
Tagomori Sadaaki
Asahi Denka Kogyo Kabushiki Kaisha
Marcus & Associates
LandOfFree
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