Patents for E04G 15 - Forms or shutterings for making openings, cavities, slits, or channels (3,453)
10/1983
10/26/1983EP0092526A1 Method and means for concrete cavity building
10/18/1983US4410162 Recoverable form part for use in the region where a tendon is anchored in a prestressed concrete component
08/1983
08/24/1983EP0086376A1 Shuttering for the production of cavities and openings of parts of concrete building elements
05/1983
05/17/1983US4383675 Quick-release attachment for core body in concrete casting formwork
05/17/1983US4383674 Core body for the recessed positioning of an anchor element in a concrete member
03/1983
03/01/1983US4375142 Guard for isolating recessed ceiling lights from combustible insulation
01/1983
01/26/1983EP0070770A1 Device for resting a floor on a wall, and construction method for applying said device
01/11/1983US4367892 Lift system for tilt-up walls
12/1982
12/28/1982US4365784 Apparatus for obtaining a test core
12/28/1982US4365780 Removable insert for forming holes in concrete and the like
12/14/1982US4363462 Recoverable formwork part for forming the anchoring location of a tendon in a concrete structural component
09/1982
09/07/1982US4348344 Method and device for producing slotted concrete walls in place
06/1982
06/30/1982EP0054918A1 Device for introducing installation pipes or ducts in buildings provided with a cellar
06/23/1982EP0054524A2 A casting form system consisting of modular members for the construction of buildings, storey by storey
05/1982
05/13/1982WO1982001541A1 Lift system for tilt-up walls
04/1982
04/14/1982EP0049456A2 Moulded body for producing a cavity in a finished concrete product
04/14/1982EP0049455A2 Moulded body for holding an anchor and for producing a cavity in a finished concrete product
10/1981
10/27/1981US4296909 Apparatus for forming recess around a pickup bolt of a concrete body
10/01/1981WO1981002816A1 Fire sealing of leads-through for conduits
08/1981
08/04/1981CA1106203A1 Sleeve assembly for forming openings in molded sructures
03/1981
03/31/1981US4258897 Structure for forming concrete troughs in the ground
12/1980
12/23/1980CA1091953A1 Formwork component for concrete construction
10/1980
10/28/1980CA1088342A1 Concrete anchor
09/1980
09/03/1980EP0014735A1 Shuttering for concrete constructions
05/1980
05/06/1980US4201361 Concrete form component
04/1980
04/01/1980US4195709 Step assembly for cast structures and method of installation
11/1979
11/20/1979CA1066534A1 Sleeving form for masonry material
10/1979
10/16/1979US4170853 Insert void forming device
06/1979
06/26/1979US4159099 Sleeve assembly for forming openings in molded structures
06/26/1979US4159098 Form for casting stepped openings
06/12/1979US4157807 Aperture forming devices
03/1979
03/06/1979CA1049806A1 Reglet structure
02/1979
02/20/1979CA1048749A1 Apparatus and method for making concrete structures
02/06/1979US4138084 Adjustable foundation window form
12/1978
12/26/1978US4130977 Concrete insert
12/19/1978CA1044444A1 Fixtures for holding the outer frame of a sash window or the like in precasting a concrete panel integral therewith
08/1978
08/08/1978US4105051 Prefabricated composable duct element
06/1978
06/27/1978US4096749 Core sampling device
05/1978
05/09/1978US4087947 Edge-lifting system for a concrete slab
12/1977
12/27/1977US4065540 Method of producing precast concrete panels with built-in outer sash frames
11/1977
11/29/1977US4060218 Pneumatically controlled rigid core-former
09/1977
09/13/1977US4047691 Fixture for use in the formation of a discharge opening of a fodder silo
07/1977
07/19/1977US4035976 Sleeving form for masonry material
05/1977
05/31/1977US4026511 Destructible bore forming means
04/1977
04/19/1977US4018416 Resilient, destructable core means
03/1977
03/22/1977US4012874 Protective cover assembly for underfloor access housing
03/22/1977US4012873 Protective cap for underfloor access housing
01/1977
01/04/1977US4000591 Holder adapted for supporting an anchor insert to be embedded in a concrete slab
12/1976
12/07/1976US3995843 Apparatus for supporting a window buck frame
11/1976
11/30/1976US3994470 Mold having means for positioning a window frame
09/1976
09/21/1976US3981108 Reglet structure
06/1976
06/22/1976US3964219 Insert and anchor positioning and locating device
01/1976
01/20/1976US3933336 Pipe sleeve
1 ... 25 26 27 28 29 30 31 32 33 34 35