TREA

using rotatable mould or core parts

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  • CPC
  • B28B21/22
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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

B28B21/22using rotatable mould or core parts
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Manufacturing apparatus and method of forming a preform
    • Patent number 9,283,734
    • Issue date Mar 15, 2016
    • GUNITE CORPORATION
    • Neil Anderson
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Apparatus for producing concrete pipes
    • Patent number 4,451,222
    • Issue date May 29, 1984
    • Kunizo Hiraoka
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Process and device for production of concrete pipe by filling and c...
    • Patent number 4,342,713
    • Issue date Aug 3, 1982
    • AB Skanska Cementgjunteriet
    • Owe C. G. Larkfeldt
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Machine for making concrete pipes in upright position
    • Patent number 4,067,679
    • Issue date Jan 10, 1978
    • Pedershaab Maskinfabrik A/S
    • Jens Peter Nielsen
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Apparatus for removing waste portions from hollow moulded articles
    • Patent number 3,994,651
    • Issue date Nov 30, 1976
    • Toyo Seikan Kaisha Limited
    • Taketoshi Kamibayashi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3822106
    • Patent number 3,822,106
    • Issue date Jul 2, 1974
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3585694
    • Patent number 3,585,694
    • Issue date Jun 22, 1971
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3518732
    • Patent number 3,518,732
    • Issue date Jul 7, 1970
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3273216
    • Patent number 3,273,216
    • Issue date Sep 20, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3192292
    • Patent number 3,192,292
    • Issue date Jun 29, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3083433
    • Patent number 3,083,433
    • Issue date Apr 2, 1963
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2870513
    • Patent number 2,870,513
    • Issue date Jan 27, 1959
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2845682
    • Patent number 2,845,682
    • Issue date Aug 5, 1958
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2675597
    • Patent number 2,675,597
    • Issue date Apr 20, 1954
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2585756
    • Patent number 2,585,756
    • Issue date Feb 12, 1952
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2544453
    • Patent number 2,544,453
    • Issue date Mar 6, 1951
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2356852
    • Patent number 2,356,852
    • Issue date Aug 29, 1944
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2284741
    • Patent number 2,284,741
    • Issue date Jun 2, 1942
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2194028
    • Patent number 2,194,028
    • Issue date Mar 19, 1940
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1710919
    • Patent number 1,710,919
    • Issue date Apr 30, 1929
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1574421
    • Patent number 1,574,421
    • Issue date Feb 23, 1926
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1514980
    • Patent number 1,514,980
    • Issue date Nov 11, 1924
    • 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

    1385863
    • Patent number 1,385,863
    • Issue date Jul 26, 1921
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    402029
    • Patent number 402,029
    • Issue date Apr 23, 1889
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents