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Class Information
Number: 249/162
Name: Static molds > Container-type molding device > Having plural mold sections > With means to move section > Means moves opposed sections simultaneously toward and away from each other
Description: Apparatus having means to move at least two walls simultaneously toward and away from each other.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8668482 Formwork and formwork method of a concrete construction Mar. 11, 2014
8632334 Apparatus for blow molding Jan. 21, 2014
8613418 Adjustable slump mold for molding a clay slab into a ceramic object Dec. 24, 2013
8485494 Hinged mold for pre-formed concrete elements Jul. 16, 2013
8282871 Techniques and tools for assembling and disassembling compactable molds and forming building blocks Oct. 9, 2012
8268223 Form and process for casting concrete blocks Sep. 18, 2012
8252221 Compacting techniques for forming lightweight concrete building blocks Aug. 28, 2012
8197744 Method and apparatus for blow molding Jun. 12, 2012
8186644 Concrete block mold with movable liners with master bar May. 29, 2012
8182260 Apparatus and method for forming tapered products May. 22, 2012
8123512 Concrete block mold with moveable liner Feb. 28, 2012
8113815 Block mold having moveable liner Feb. 14, 2012
8025493 Apparatus for manufacturing a pre-cast retaining wall Sep. 27, 2011
7992837 Techniques and tools for assembling and disassembling compactable molds and forming building blocks Aug. 9, 2011
7988123 Compactable mold for forming building blocks Aug. 2, 2011
7828544 Concrete panel construction system and method of making panels Nov. 9, 2010
7748972 Tensioning installation for the frameworks of pre-tensioned architectural elements Jul. 6, 2010
7665712 Apparatus for pre-casting concrete structures Feb. 23, 2010
7591447 Wall block, system and mold for making the same Sep. 22, 2009
7121520 Pre-cast concrete panels for construction of a building Oct. 17, 2006
7100886 Apparatus and methods for making a masonry block with a roughened surface Sep. 5, 2006
6991207 Molds for wafer scale molding of protective caps Jan. 31, 2006
6766998 Molds for wafer scale molding of protective caps Jul. 27, 2004
6000244 Mold assembly for forming a glass sheet Dec. 14, 1999
5482453 Utensil for molding sushi rice for use in preparing nigiri-zushi Jan. 9, 1996
5160752 Mold for forming a tape cassette reel Nov. 3, 1992
5126095 Method for encasing a storage tank in concrete Jun. 30, 1992
4975041 Die assembly for die casting a propeller structure Dec. 4, 1990
4904177 Vertical press for the moulding of plastics materials, particulary thermosetting plastics materials Feb. 27, 1990
4846438 Molding device with hand operable mold Jul. 11, 1989
4826419 Apparatus for relaxing stresses at the end of oedometric compacting of a mixture of an aggregate and a binder May. 2, 1989
4787598 Apparatus for the continuous production of pipes with cross-profiled walls Nov. 29, 1988
4746282 Dough rounding machine with adjustable trough May. 24, 1988
4706925 Method of stripping an ingot from a sectional ingot mold and an improved sectional ingot mold therefor Nov. 17, 1987
4702688 Apparatus for producing articles from a synthetic resin Oct. 27, 1987
4699584 Die opening device for molding machine Oct. 13, 1987
4693448 Closure unit for molding tools Sep. 15, 1987
4667923 Molding device for modular concrete unit May. 26, 1987
4592716 Machine for molding elongated workpieces Jun. 3, 1986
4570897 Mold for container with recess-defining flange Feb. 18, 1986
4566669 Mold for casting reinforced concrete panel assembly elements Jan. 28, 1986
4531702 Injection mold for forming optical fiber connector Jul. 30, 1985
4514356 Method of molding a plastic toilet seat hinge connectable bed plate Apr. 30, 1985
4502660 Mold including side walls with locking projections Mar. 5, 1985
4424951 Building form and method of assembly Jan. 10, 1984
4402484 Molding tool device for a molding used in an architectural structure Sep. 6, 1983
4386647 Tool for forming interplate connections Jun. 7, 1983
4334663 Molds for the production of dishes and the like from powdered ceramic materials Jun. 15, 1982
4318679 Apparatus for casting toilet tanks Mar. 9, 1982
4301856 Permanent mold for gravity casting of light alloy cylinder heads Nov. 24, 1981

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