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Class Information
Number: 249/185
Name: Static molds > Core (internal mold) > Of plural sections > Hinged sections
Description: Apparatus wherein the core sections are connected by a hinge.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8500085 Method for manufacturing a composite fiber component for aerospace Aug. 6, 2013
8322112 Nestable structural hollow body and related methods Dec. 4, 2012
8246877 Method, apparatus and a forming part for casting a concrete product by slipform casting Aug. 21, 2012
8012286 Apparatus and method for making a tubular composite barrel Sep. 6, 2011
7845932 Molding apparatus and method of forming undercuts Dec. 7, 2010
7708917 Method and apparatus for casting concrete elements May. 4, 2010
7640961 Apparatus and method for making a tubular composite barrel Jan. 5, 2010
7530544 Panel forming system including construction component having hinged portion engaged with set portion forming panel forming surfaces against which curable materials are shaped May. 12, 2009
7127859 Hand-held void-forming system and anchor applicator Oct. 31, 2006
7004443 Concrete void former Feb. 28, 2006
6840018 Elongate bodies for use in pre-cast panel forming systems Jan. 11, 2005
6442976 Liquid cooling of glassware molds Sep. 3, 2002
6116568 Apparatus for forming voids under concrete floors Sep. 12, 2000
5843324 Reusable form Dec. 1, 1998
5788874 Leak resistant hinge for use in concrete structure fabrication Aug. 4, 1998
5709769 Duct assembly system Jan. 20, 1998
5281127 Articulated core blade assembly for use in an injection molding machine Jan. 25, 1994
5217731 Injection molding tool with retractable bead-forming segments Jun. 8, 1993
5125617 Adjustable radius walers for forming Jun. 30, 1992
4958800 Locking hinge mechanism Sep. 25, 1990
4956142 Apparatus and method for molding three dimensional articles Sep. 11, 1990
4890993 Apparatus for forming concrete structures Jan. 2, 1990
4821994 Molding for the retention of a tie in the concreting of a precast concrete part Apr. 18, 1989
4799982 Method of molding monolithic building structure Jan. 24, 1989
4765938 Apparatus and method for the application of a plastic liner to a flanged pipe elbow Aug. 23, 1988
4729541 Formwork for round or polygonal construction Mar. 8, 1988
4721280 Injection moulding core for pipe bends Jan. 26, 1988
4708632 Injection moulding mould Nov. 24, 1987
4705258 Sheathing for pouring a container fabricated from concrete Nov. 10, 1987
4614324 Mold for producing concrete pipe Sep. 30, 1986
4569500 Concrete ramp form Feb. 11, 1986
4520989 Concrete core-wall form and stripping assembly therefor Jun. 4, 1985
4520988 Concrete core-wall form and stripping assembly therefor Jun. 4, 1985
4519570 Inside corner concrete form unit May. 28, 1985
4465257 Concrete forming structure having a double hinge filler Aug. 14, 1984
4463925 Concrete form structure including one-way escape hinge Aug. 7, 1984
4462787 Cantilevered mandrel assembly Jul. 31, 1984
4447035 Joining concrete form panels to cast an inside corner wall structure May. 8, 1984
4426060 Apparatus and method for constructing modular concrete shell housing units Jan. 17, 1984
4296909 Apparatus for forming recess around a pickup bolt of a concrete body Oct. 27, 1981
4279399 Concrete beam molding apparatus Jul. 21, 1981
4266750 Device for manufacturing boots and the like of elastomeric material May. 12, 1981
4258897 Structure for forming concrete troughs in the ground Mar. 31, 1981
4180233 Building construction system Dec. 25, 1979
4177032 Molding core for the manufacture of hollow bodies consisting of fiber-reinforced synthetic resin Dec. 4, 1979
4094491 Core form for lining containers Jun. 13, 1978
4055321 Inside concrete corewall form with particular three-way hinge assemblies therefor Oct. 25, 1977
4047287 Method for forming a high frequency antenna Sep. 13, 1977
4029287 Apparatus for forming modular building structures Jun. 14, 1977
4017052 Tunnel like formwork Apr. 12, 1977

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