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GB1106071A - Improvements in or relating to the treatment of cutting edges - Google Patents

Improvements in or relating to the treatment of cutting edges

Info

Publication number
GB1106071A
GB1106071A GB1505764A GB1505764A GB1106071A GB 1106071 A GB1106071 A GB 1106071A GB 1505764 A GB1505764 A GB 1505764A GB 1505764 A GB1505764 A GB 1505764A GB 1106071 A GB1106071 A GB 1106071A
Authority
GB
United Kingdom
Prior art keywords
coating
passing
monomer
glow discharge
polymer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1505764A
Inventor
Hugh Robert Watson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wilkinson Sword Ltd
Original Assignee
Wilkinson Sword Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wilkinson Sword Ltd filed Critical Wilkinson Sword Ltd
Priority to GB1505764A priority Critical patent/GB1106071A/en
Priority to DE19651646192 priority patent/DE1646192A1/en
Priority to FR12883A priority patent/FR1492777A/en
Publication of GB1106071A publication Critical patent/GB1106071A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/62—Plasma-deposition of organic layers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/46—Polymerisation initiated by wave energy or particle radiation
    • C08F2/52—Polymerisation initiated by wave energy or particle radiation by electric discharge, e.g. voltolisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2258/00—Small objects (e.g. screws)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2506/00—Halogenated polymers
    • B05D2506/10—Fluorinated polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Physical Vapour Deposition (AREA)
  • Chemical Vapour Deposition (AREA)

Abstract

A method of forming a polymer coating on an article having a cutting edge comprises passing a glow discharge through a gaseous monomer, from which the polymer is to be formed, adjacent to the article whereby a polymer coating is formed on the article. The monomer may be a hydrocarbon, halogen-substituted hydrocarbon or alkylsiloxane. Specified articles are razor blades, surgical scalpels, culinary knives and garden tools. Apparatus suitable for carrying out the method of the invention is described and illustrated, and examples describe the coating of razor blades by passing glow discharges through (I) 1-hydroperfluoropropane and (II and III) dibromodifluoromethane, and the coating of knife edges by passing glow discharges through (IV) ethylene.ALSO:Polymer coatings are formed on articles having cutting edges by a method wherein a gaseous monomer is treated by passing a glow discharge therethrough and the treated gas contacts the article and deposits thereon to form the polymer coating. Specified articles are razor blades, surgical scalpels, culinary knives and garden tools. The monomer may be a hydrocarbon, halogen-substituted hydrocarbon or alkyl siloxane, and may be mixed with an inert diluent gas. Apparatus suitable for carrying out the method is described and illustrated and examples describe the coating of razor blades by glow discharge polymerisation of (I) 1-hydroperfluoropropane and (II and III) dibromodifluoromethane, and the coating of knife edges by glow discharge polymerisation of ethylene.ALSO:Surgical scalpels and hypodermic needles are provided with polymer coatings by a method wherein a gaseous monomer is treated by passing a glow discharge therethrough and the treated gas contacts the scalpel or needle and deposits thereon in the form of a polymer coating. The monomer may be a hydrocarbon, halogen-substituted hydrocarbon or alkyl siloxane, particularly 1-hydroperfluoropropane, dibromodifluoromethane or ethylene, optionally mixed with an inert diluent gas.
GB1505764A 1964-04-11 1964-04-11 Improvements in or relating to the treatment of cutting edges Expired GB1106071A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1505764A GB1106071A (en) 1964-04-11 1964-04-11 Improvements in or relating to the treatment of cutting edges
DE19651646192 DE1646192A1 (en) 1964-04-11 1965-04-08 Process for the surface treatment of cutting edges
FR12883A FR1492777A (en) 1964-04-11 1965-04-12 Method for forming a coating on or adjacent to the edge of a razor blade or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1505764A GB1106071A (en) 1964-04-11 1964-04-11 Improvements in or relating to the treatment of cutting edges

Publications (1)

Publication Number Publication Date
GB1106071A true GB1106071A (en) 1968-03-13

Family

ID=10052276

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1505764A Expired GB1106071A (en) 1964-04-11 1964-04-11 Improvements in or relating to the treatment of cutting edges

Country Status (2)

Country Link
DE (1) DE1646192A1 (en)
GB (1) GB1106071A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0230993A2 (en) * 1986-01-24 1987-08-05 AUSIMONT S.p.A. Films, layers, tapes, plates and similar structures of metal or plastic materials coated with thin polyfluorocarbon films
WO1997042356A1 (en) * 1996-05-06 1997-11-13 Massachusetts Institute Of Technology Chemical vapor deposition of fluorocarbon polymer thin films
US6551950B1 (en) 1997-06-14 2003-04-22 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Surface coatings
US7037175B1 (en) 2004-10-19 2006-05-02 Cabot Microelectronics Corporation Method of sharpening cutting edges
USRE43651E1 (en) * 1997-06-14 2012-09-11 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Surface coatings
US8389070B2 (en) 2004-03-18 2013-03-05 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Coating of a polymer layer using low power pulsed plasma in a plasma chamber of a large volume

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0230993A2 (en) * 1986-01-24 1987-08-05 AUSIMONT S.p.A. Films, layers, tapes, plates and similar structures of metal or plastic materials coated with thin polyfluorocarbon films
EP0230993A3 (en) * 1986-01-24 1989-11-29 AUSIMONT S.p.A. Films, layers, tapes, plates and similar structures of metal or plastic materials coated with thin polyfluorocarbon films
WO1997042356A1 (en) * 1996-05-06 1997-11-13 Massachusetts Institute Of Technology Chemical vapor deposition of fluorocarbon polymer thin films
US5888591A (en) * 1996-05-06 1999-03-30 Massachusetts Institute Of Technology Chemical vapor deposition of fluorocarbon polymer thin films
US6153269A (en) * 1996-05-06 2000-11-28 Massachusetts Institute Of Technology Chemical vapor deposition of fluorocarbon polymer thin films
US6156435A (en) * 1996-05-06 2000-12-05 Massachusetts Institute Of Technology Chemical vapor deposition of fluorocarbon polymer thin films
EP1795626A1 (en) * 1996-05-06 2007-06-13 Massachusetts Institute Of Technology Chemical vapor deposition of fluorocarbon polymer thin films
US6551950B1 (en) 1997-06-14 2003-04-22 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Surface coatings
USRE43651E1 (en) * 1997-06-14 2012-09-11 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Surface coatings
US8389070B2 (en) 2004-03-18 2013-03-05 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Coating of a polymer layer using low power pulsed plasma in a plasma chamber of a large volume
US7037175B1 (en) 2004-10-19 2006-05-02 Cabot Microelectronics Corporation Method of sharpening cutting edges

Also Published As

Publication number Publication date
DE1646192A1 (en) 1971-07-08

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