EP1356899B1 - Metal scissors and production process thereof - Google Patents

Metal scissors and production process thereof Download PDF

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Publication number
EP1356899B1
EP1356899B1 EP20030004886 EP03004886A EP1356899B1 EP 1356899 B1 EP1356899 B1 EP 1356899B1 EP 20030004886 EP20030004886 EP 20030004886 EP 03004886 A EP03004886 A EP 03004886A EP 1356899 B1 EP1356899 B1 EP 1356899B1
Authority
EP
European Patent Office
Prior art keywords
coating layer
base material
polymer compound
layer
surface roughness
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 - Lifetime
Application number
EP20030004886
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1356899A1 (en
Inventor
Yuji Sotokawa
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.)
Tokosha Co Ltd
Original Assignee
Tokosha Co 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 Tokosha Co Ltd filed Critical Tokosha Co Ltd
Publication of EP1356899A1 publication Critical patent/EP1356899A1/en
Application granted granted Critical
Publication of EP1356899B1 publication Critical patent/EP1356899B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B13/00—Hand shears; Scissors
    • B26B13/12—Hand shears; Scissors characterised by the shape of the handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B13/00—Hand shears; Scissors

Definitions

  • Fig. 3 exemplifies one embodiment of metal scissors of claim 2 of the present invention. Since its constitution is basically the same as that of the above embodiment of Fig. 1, descriptions on constituents common between them will be omitted, using the same reference numerals, and only constituents different between them will be described.
  • Grips 4 each comprise a base material 5 with a surface 5a which has fine pits and projections thereon with a surface roughness Ry of 12.5 to 50, a titanium coating layer 6 which is formed on the surface of the base material 5, a polyurethane foundation layer 8 for a base coat which is formed on the layer 6 and has excellent adhesion to the layer 6, and a polyurethane coating layer 7 which is formed on the layer 8 and has excellent abrasion resistance and scratch resistance.
  • Figs. 6A to 6D show a production example of the above scissors of Fig. 5 as one embodiment of the production process of metal scissors of the present invention.
  • Scissors 1 are prepared in accordance with the following steps.
  • the scissors part 2 is wholly coated with titanium so as to form a titanium coating layer 6 whose thickness together with the thicknesses of all other layers 7 and 8 to which the layer 6 is laminated does not impair the surface roughness of the base material surface 5a.
  • the polyurethane coating layer 7 which has excellent abrasion resistance and scratch resistance is baking-coated to such a thickness that together with the thicknesses of all other layers 6 and 8 to which the layer 7 is laminated does not impair the surface roughness of the base material surface 5a, thereby forming a finely uneven surface 7a of the polyurethane coating layer 7 which is comparable to the surface roughness of the base material surface 5a.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Scissors And Nippers (AREA)
  • Laminated Bodies (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
EP20030004886 2002-04-26 2003-03-06 Metal scissors and production process thereof Expired - Lifetime EP1356899B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002126478 2002-04-26
JP2002126478A JP4342769B2 (ja) 2002-04-26 2002-04-26 金属製鋏

Publications (2)

Publication Number Publication Date
EP1356899A1 EP1356899A1 (en) 2003-10-29
EP1356899B1 true EP1356899B1 (en) 2005-11-09

Family

ID=28786827

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030004886 Expired - Lifetime EP1356899B1 (en) 2002-04-26 2003-03-06 Metal scissors and production process thereof

Country Status (3)

Country Link
EP (1) EP1356899B1 (ja)
JP (1) JP4342769B2 (ja)
DE (2) DE03004886T1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4926687B2 (ja) * 2006-12-14 2012-05-09 英行 野尻 化粧用鋏及びその製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5152774A (en) * 1988-10-17 1992-10-06 Schroeder William A Surgical instrument having a toughened wearing surface and method of making the same
US6076264A (en) * 1996-01-11 2000-06-20 Molecular Metallurgy, Inc. Coated manicure implement

Also Published As

Publication number Publication date
JP2003311040A (ja) 2003-11-05
JP4342769B2 (ja) 2009-10-14
DE60302173T2 (de) 2006-07-27
DE60302173D1 (de) 2005-12-15
DE03004886T1 (de) 2004-08-26
EP1356899A1 (en) 2003-10-29

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