GB1057384A - Improvements relating to cutting blades - Google Patents

Improvements relating to cutting blades

Info

Publication number
GB1057384A
GB1057384A GB4385163A GB4385163A GB1057384A GB 1057384 A GB1057384 A GB 1057384A GB 4385163 A GB4385163 A GB 4385163A GB 4385163 A GB4385163 A GB 4385163A GB 1057384 A GB1057384 A GB 1057384A
Authority
GB
United Kingdom
Prior art keywords
peroxide
bis
radical generator
free
resin
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
GB4385163A
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.)
Philip Morris USA Inc
Original Assignee
Philip Morris USA Inc
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 Philip Morris USA Inc filed Critical Philip Morris USA Inc
Publication of GB1057384A publication Critical patent/GB1057384A/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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/54—Razor-blades
    • B26B21/58—Razor-blades characterised by the material
    • B26B21/60—Razor-blades characterised by the material by the coating material

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

Coating compositions comprise polymers of molecular weight 5000 to 9,000,000 of tetrafluorethylene per se or with a telogen, in the form of a suspension or dispersion in water or an organic solvent (many listed) plus a free radical generator which may be potassium persulphate, benzoyl peroxide, 2,4-dichlorobenzoyl peroxide, tert-butyl perbenzoate, succinic acid peroxide, hydroxyheptyl peroxide, bis (1-hydroxycyclohexyl) peroxide, 2,5-dimethyl-2,5-di-tert-butyl hexyne peroxide, a compound containing the group > N-Cl, a metal alkyl, an amine oxide, a hydrazin salt or 2,21-azo-bis-(2-methyl-propionitrile). The coatings are cured by heating.ALSO:A method for applying a P.T.F.E. resin coating to a cutting blade comprises applying a P.T.F.E. resin and a free-radical generator to a blade and thereafter curing the blade at a temperature of from 25 to 300 DEG C. The free-radical generator may be an organic peroxide, a compound containing the group >N-Cl, a metal alkyl, an amine oxide, a hydrazine salt, 2,2\sv-azo-bis (2-methyl-propionitrile), or potassium persulphate. The resin dissolved or suspended in an organic solvent or water may be applied by brushing, spraying or dipping. The process may be applied to carbon steel or stainless steel razor blades. The blades may first be degreased and they and the coating composition may be preheated.
GB4385163A 1962-12-21 1963-11-06 Improvements relating to cutting blades Expired GB1057384A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24633962A 1962-12-21 1962-12-21

Publications (1)

Publication Number Publication Date
GB1057384A true GB1057384A (en) 1967-02-01

Family

ID=22930252

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4385163A Expired GB1057384A (en) 1962-12-21 1963-11-06 Improvements relating to cutting blades

Country Status (2)

Country Link
DE (1) DE1553758A1 (en)
GB (1) GB1057384A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1088598A2 (en) * 1999-09-30 2001-04-04 Chemetall GmbH Process for making a polymer film on a metallic substrate, concentrate and treatment solution for this purpose
US20190061188A1 (en) * 2015-11-05 2019-02-28 Eled Revolution Gmbh Blade guard for razor blades made of curable adhesive

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1088598A2 (en) * 1999-09-30 2001-04-04 Chemetall GmbH Process for making a polymer film on a metallic substrate, concentrate and treatment solution for this purpose
EP1088598A3 (en) * 1999-09-30 2003-09-17 Chemetall GmbH Process for making a polymer film on a metallic substrate, concentrate and treatment solution for this purpose
US20190061188A1 (en) * 2015-11-05 2019-02-28 Eled Revolution Gmbh Blade guard for razor blades made of curable adhesive
US10675773B2 (en) * 2015-11-05 2020-06-09 Eled Revolution Gmbh Blade guard for razor blades made of curable adhesive

Also Published As

Publication number Publication date
DE1553758A1 (en) 1970-10-08

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