E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
72/131
E21D 20/02 (2006.01) B23B 51/00 (2006.01) E04B 1/41 (2006.01) F16B 13/14 (2006.01) F16B 13/00 (2006.01)
Patent
CA 1051216
ABSTRACT OF THE DISCLOSURE An anchoring member is inserted into an anchoring hole in a support structure and has transverse dimensions smaller than those of the anchoring hole, and is supported with clearance in such anchoring hole by means of a cap member of ring-shaped con- figuration which surrounds the anchoring member at the trailing end thereof and closes the open end of the clearance. The anchoring mem- ber is of a tubular configuration and is closed at its leading end, an aperture communicating the interior of the anchoring member with the clearance. A body of hardenable material is introduced into the clearance through the aperture and by means of a shielding arrange- ment accommodated in the interior of the tubular anchoring member and communicating with the aperture. At least a portion of the ring- shaped cap member is at least translucent so that the introduction of the hardenable material into the clearance can be monitored there- through. A depression, preferably an annular groove, is visible through the translucent portion and has such dimensions that, due to its viscosity, the hardenable material will not be able to penet- rate into the depression until after the pressure in the clearance has exceeded a value indicative of the completion of the clearance- filling profess. A small-sized opening communicates the clearance with the exterior of the cap member and allows air to escape from the clearance during the clearance-filling operation, while preventing the hardenable material from escaping therethrough until the pressure of the hardenable material has reached a predetermined level.
261571
Fischer Artur
Fischer Klaus
LandOfFree
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