Processes of making corrugated tubes for gas mask

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for making profiled plastic tubes such as corrugated tubes

    • Patent number 4,957,687
    • Issue date Sep 18, 1990
    • Bulent Akman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for the continuous manufacture of finned tubular sections...

    • Patent number 4,365,948
    • Issue date Dec 28, 1982
    • Armosig S.A.
    • Jacques Chaplain
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for making flexible corrugated rubber tubing

    • Patent number 4,308,228
    • Issue date Dec 29, 1981
    • Vance M. Kramer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Molded rubber article

    • Patent number 4,196,754
    • Issue date Apr 8, 1980
    • The Gates Rubber Company
    • Roger A. Payne
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Molded rubber article and method

    • Patent number 4,136,149
    • Issue date Jan 23, 1979
    • The Gates Rubber Company
    • Roger A. Payne
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hose construction and method of making same

    • Patent number 4,091,063
    • Issue date May 23, 1978
    • Dayco Corporation
    • Arthur D. Logan
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for manufacturing a plastic tube

    • Patent number 3,959,427
    • Issue date May 25, 1976
    • Industriele Onderneming Wavin N.V.
    • Cornelis Van Zon
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Tube doffing and bundling method

    • Patent number 3,941,639
    • Issue date Mar 2, 1976
    • Ernest J. Maroschak
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3872893

    • Patent number 3,872,893
    • Issue date Mar 25, 1975
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    3870774

    • Patent number 3,870,774
    • Issue date Mar 11, 1975
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3864446

    • Patent number 3,864,446
    • Issue date Feb 4, 1975
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    3843758

    • Patent number 3,843,758
    • Issue date Oct 22, 1974
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    3819778

    • Patent number 3,819,778
    • Issue date Jun 25, 1974
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3349156

    • Patent number 3,349,156
    • Issue date Oct 24, 1967
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    3243850

    • Patent number 3,243,850
    • Issue date Apr 5, 1966
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    3184793

    • Patent number 3,184,793
    • Issue date May 25, 1965
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    3168604

    • Patent number 3,168,604
    • Issue date Feb 2, 1965
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    3155757

    • Patent number 3,155,757
    • Issue date Nov 3, 1964
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    3076228

    • Patent number 3,076,228
    • Issue date Feb 5, 1963
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    3037798

    • Patent number 3,037,798
    • Issue date Jun 5, 1962
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    3028290

    • Patent number 3,028,290
    • Issue date Apr 3, 1962
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    3021571

    • Patent number 3,021,571
    • Issue date Feb 20, 1962
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    3015857

    • Patent number 3,015,857
    • Issue date Jan 9, 1962
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    3013310

    • Patent number 3,013,310
    • Issue date Dec 19, 1961
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    2991509

    • Patent number 2,991,509
    • Issue date Jul 11, 1961
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    2983961

    • Patent number 2,983,961
    • Issue date May 16, 1961
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    2977636

    • Patent number 2,977,636
    • Issue date Apr 4, 1961
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    2963749

    • Patent number 2,963,749
    • Issue date Dec 13, 1960
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    2963750

    • Patent number 2,963,750
    • Issue date Dec 13, 1960
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    2936812

    • Patent number 2,936,812
    • Issue date May 17, 1960
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents