TREA

using expansible or retractable mould or core elements

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  • CPC
  • B28B21/18
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B28Stoneworking B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL B28B21/00Methods or machines specially adapted for the production of tubular articles

Current Industry

B28B21/18using expansible or retractable mould or core elements
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making ceramic composite bearings
    • Patent number 10,478,996
    • Issue date Nov 19, 2019
    • Lancer Systems L.P.
    • Timothy J. Edwards
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    System and process for molding of parts made of fiber cement
    • Patent number 9,630,341
    • Issue date Apr 25, 2017
    • 161508 CANADA INC.
    • Louis Beauregard
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Apparatus for manufacturing bell and spigot pipe moldings
    • Patent number 6,004,126
    • Issue date Dec 21, 1999
    • Klaus Strobel
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method for subjecting molded article to isostatic pressing
    • Patent number 5,828,942
    • Issue date Oct 27, 1998
    • NGK Insulators, Ltd.
    • Taketoshi Tsutsumi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method for manufacturing ceramic bell and spigot pipe moldings
    • Patent number 5,779,966
    • Issue date Jul 14, 1998
    • Klaus Strobel
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method for rapid molding of elongate concrete articles
    • Patent number 4,996,013
    • Issue date Feb 26, 1991
    • Graeme R. Hume
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Apparatus for molding tubular parts by isostatic compression
    • Patent number 4,384,840
    • Issue date May 24, 1983
    • Societe Anonyme dite: Compagnie Generale d'Electricite
    • Gerard Desplanches
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3548466
    • Patent number 3,548,466
    • Issue date Dec 22, 1970
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3500513
    • Patent number 3,500,513
    • Issue date Mar 17, 1970
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3454997
    • Patent number 3,454,997
    • Issue date Jul 15, 1969
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3239591
    • Patent number 3,239,591
    • Issue date Mar 8, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3193900
    • Patent number 3,193,900
    • Issue date Jul 13, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3184528
    • Patent number 3,184,528
    • Issue date May 18, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2865078
    • Patent number 2,865,078
    • Issue date Dec 23, 1958
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2730783
    • Patent number 2,730,783
    • Issue date Jan 17, 1956
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2334509
    • Patent number 2,334,509
    • Issue date Nov 16, 1943
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1526036
    • Patent number 1,526,036
    • Issue date Feb 10, 1925
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1418859
    • Patent number 1,418,859
    • Issue date Jun 6, 1922
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1336857
    • Patent number 1,336,857
    • Issue date Apr 13, 1920
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

  • Information Patent Application

    PACKERHEAD MACHINE
    • Publication number 20160236374
    • Publication date Aug 18, 2016
    • Hawkeye Concrete Products Co.
    • Claudio SUBACCHI
    • B28 - WORKING CEMENT, CLAY, OR STONE