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Class Information
Number: 249/38
Name: Static molds > In situ construction engineering type or building type-mold or form > Forming building structure > Barrier or sustainer, e.g., wall, joist, etc. > Planar wall mold having opposed spaced panels > Including means for forming spaced oposed walls or hollow wall > Utilizing tie means for connecting formed opposed walls, i.e., preform uniting
Description: Apparatus for forming plural opposed walls having a tie means to support, reinforce or maintain the walls in a spaced relationship.

Patents under this class:

Patent Number Title Of Patent Date Issued
8375669 Formwork and method for constructing rammed earth walls Feb. 19, 2013
7331148 Stud for concrete forms and forms using such studs Feb. 19, 2008
6935081 Reinforced composite system for constructing insulated concrete structures Aug. 30, 2005
6845957 Device for mounting and dismantling formwork Jan. 25, 2005
6832456 Frame unit for use in construction formwork Dec. 21, 2004
6742758 Light-weight reinforced, tubular plastic footing form members and assemblies Jun. 1, 2004
6694692 Modular formwork elements and assembly Feb. 24, 2004
6390440 Footing frame locking device May. 21, 2002
6159399 Procedure for the erection of concrete walls using braced boardings and device to carry out the same Dec. 12, 2000
6079176 Insulated concrete wall Jun. 27, 2000
5992114 Apparatus for forming a poured concrete wall Nov. 30, 1999
5914137 Apparatus for injecting grout into a spreader pipe used in the erection of concrete walls Jun. 22, 1999
5890337 Double tie Apr. 6, 1999
5852907 Tie for foam forms Dec. 29, 1998
5643488 Multi-room modular construction system Jul. 1, 1997
5635097 Rebar retention apparatus Jun. 3, 1997
5255488 Tie-wire for concrete form Oct. 26, 1993
4690368 Apparatus for hollow concrete wall construction Sep. 1, 1987
4433826 Adjustable long bolt Feb. 28, 1984
4356993 Corner forming apparatus for a concrete wall form Nov. 2, 1982
4329821 Composite insulated wall May. 18, 1982
4316594 Formwork panel for concrete walls Feb. 23, 1982
4254932 Concrete wall forming system Mar. 10, 1981
4247073 Concrete form tie assemblies Jan. 27, 1981
4218039 Concrete form tie Aug. 19, 1980
4211385 Concrete form structure Jul. 8, 1980
4210304 Transparent cement form and method of form usage Jul. 1, 1980

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