TREA

end faces coil springs

Follow

Industry

  • CPC
  • B24B7/167
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B24Grinding technology B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces Accessories therefor

Current Industry

B24B7/167end faces coil springs
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Continuous compression wire spring polishing apparatus configured t...
    • Patent number 10,821,569
    • Issue date Nov 3, 2020
    • DAEWON APPLIED ENG. CO.
    • Chan-Ki Chung
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Compression line spring grinding device
    • Patent number 9,718,162
    • Issue date Aug 1, 2017
    • Dae Won Kang Up Co., Ltd.
    • Chan-Gi Jung
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Apparatus and method for grinding compression line spring
    • Patent number 9,694,463
    • Issue date Jul 4, 2017
    • Dae Won Kang Up Co., Ltd.
    • Chan-Gi Jung
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method for grinding spring with high quality and high efficiency
    • Patent number 9,498,864
    • Issue date Nov 22, 2016
    • ZHEJIANG JIADU SPRING MACHINE CO., LTD.
    • Jialin Yu
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Grinding machine for the grinding of spring ends
    • Patent number 9,339,910
    • Issue date May 17, 2016
    • BENNETT MAHLER LIMITED
    • John Ian Mahler
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method of grinding spring ends and spring end grinding machine
    • Patent number 9,283,654
    • Issue date Mar 15, 2016
    • WAFIOS AG
    • Uwe-Peter Weigmann
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Manufacturing methods for machining spring ends parallel at loaded...
    • Patent number 5,454,150
    • Issue date Oct 3, 1995
    • The United States of America as represented by the administrator of the Natio...
    • Patrick T. Hinke
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Opposed endless belt grinding apparatus
    • Patent number 4,676,029
    • Issue date Jun 30, 1987
    • Helical Springs Limited of Lytham Ind. Est. Park
    • Raymond L. Palmer
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Grindstone clearance correcting device for spring grinding machine
    • Patent number 4,358,912
    • Issue date Nov 16, 1982
    • Watanabe Shigeru
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Grinding machine
    • Patent number 4,217,734
    • Issue date Aug 19, 1980
    • Schenker Maschinen AG
    • Max Frei
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Grinding machine including means to supply coolant to the work area
    • Patent number 3,992,820
    • Issue date Nov 23, 1976
    • Schenker Maschinen AG
    • Rolf Suter
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Grinding machine for coil springs
    • Patent number 3,959,931
    • Issue date Jun 1, 1976
    • NHK Spring Co., Ltd.
    • Heijiro Shiguma
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3903651
    • Patent number 3,903,651
    • Issue date Sep 9, 1975
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3844069
    • Patent number 3,844,069
    • Issue date Oct 29, 1974
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3676957
    • Patent number 3,676,957
    • Issue date Jul 18, 1972
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3673745
    • Patent number 3,673,745
    • Issue date Jul 4, 1972
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3552169
    • Patent number 3,552,169
    • Issue date Jan 5, 1971
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3393473
    • Patent number 3,393,473
    • Issue date Jul 23, 1968
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3362110
    • Patent number 3,362,110
    • Issue date Jan 9, 1968
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3349473
    • Patent number 3,349,473
    • Issue date Oct 31, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3176435
    • Patent number 3,176,435
    • Issue date Apr 6, 1965
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3142137
    • Patent number 3,142,137
    • Issue date Jul 28, 1964
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3018589
    • Patent number 3,018,589
    • Issue date Jan 30, 1962
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2810993
    • Patent number 2,810,993
    • Issue date Oct 29, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2805525
    • Patent number 2,805,525
    • Issue date Sep 10, 1957
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2766561
    • Patent number 2,766,561
    • Issue date Oct 16, 1956
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2753667
    • Patent number 2,753,667
    • Issue date Jul 10, 1956
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2580542
    • Patent number 2,580,542
    • Issue date Jan 1, 1952
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2418770
    • Patent number 2,418,770
    • Issue date Apr 8, 1947
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2398463
    • Patent number 2,398,463
    • Issue date Apr 16, 1946
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents