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Class Information
Number: 425/426
Name: Plastic article or earthenware shaping or treating: apparatus > Female mold including tamping means or means utilizing mold motion to distribute or compact stock therein > Relatively moving female type shaping member and internal (e.g., trowel, etc.)shaping member
Description: Apparatus including means (e.g., core, etc.) to impart shape to an internal surface of the product formed in the shaping cavity and means to impart relative movement between the cavity defining means and the internal surface shaping means.

Sub-classes under this class:

Class Number Class Name Patents
425/428 Including tamper 8
425/427 Moving internal shaping member, stationary female-type member 61

Patents under this class:

Patent Number Title Of Patent Date Issued
8246877 Method, apparatus and a forming part for casting a concrete product by slipform casting Aug. 21, 2012
7407012 Thermally stable diamond cutting elements in roller cone drill bits Aug. 5, 2008
7125239 Concrete pipe manufacturing machinery and methods Oct. 24, 2006
7102061 Soybean cultivar S020030 Sep. 5, 2006
7041878 Soybean cultivar 0491732 May. 9, 2006
6984118 Method and apparatus for the production of tubes from concrete mix Jan. 10, 2006
6575724 Apparatus for the production of ring-shaped bodies from concrete Jun. 10, 2003
6340442 Method and apparatus for producing molded tubular objects from polymer concrete Jan. 22, 2002
6143336 Apparatus and method for forming cereal food products Nov. 7, 2000
5846584 Apparatus and method for forming cereal food products Dec. 8, 1998
5804306 Ceramic matrix composite/organic matrix composite hybrid fire shield Sep. 8, 1998
5648108 Production system for automatic casting of hollow bodies, in particular of concrete Jul. 15, 1997
5208051 Helical tooling for consolidation of thermoplastic composite tubes May. 4, 1993
5123831 Concrete extrusion machine Jun. 23, 1992
5040968 Device for manufacturing concrete parts Aug. 20, 1991
4909972 Method and apparatus for making a solid foamed tire core Mar. 20, 1990
4883416 Slip-form casting machine for fabrication of elongated concrete products Nov. 28, 1989
4836969 Method of casting a structure from cementitious Jun. 6, 1989
4786242 Apparatus for the casting of hollow slabs out of concrete Nov. 22, 1988
4773838 Slipforming extruder for casting concrete slabs Sep. 27, 1988
4710112 Auger construction for machines for forming hollow core concrete slabs Dec. 1, 1987
4668447 Method and device for the casting of concrete products May. 26, 1987
4608216 Method for the casting of hollow slabs out of concrete Aug. 26, 1986
4590018 Method of improving spin cast lenses May. 20, 1986
4575443 Rotary injection molding system for suppressing polymer flash Mar. 11, 1986
4568503 Method for the casting of concrete objects Feb. 4, 1986
4483670 Method and apparatus for molding bent pipes made up of composite material Nov. 20, 1984
4392805 Centrifugal casting apparatus Jul. 12, 1983
4358264 Centrifugal molding apparatus for manufacturing composite material pipes Nov. 9, 1982
4342713 Process and device for production of concrete pipe by filling and compaction of fresh concrete in an upright form Aug. 3, 1982
4334848 Apparatus for centrifugal molding of concrete pipe Jun. 15, 1982
4256680 Method and apparatus for producing reinforced synthetic resin pipe Mar. 17, 1981
4217080 Machine for molding pipe-type elements such as steel fabric reinforced concrete pipes Aug. 12, 1980
4170443 Apparatus for forming sprinkler head protector Oct. 9, 1979
4083568 Injection mold Apr. 11, 1978
4038001 Centrifugal moulding Jul. 26, 1977
4001370 Manufacturing of resin-aggregate pipes Jan. 4, 1977

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