Title:
WRITING UTENSIL, WRITING TIP WELDING METHOD, AND WRITING UTENSIL PARTS CONNECTING STRUCTURE AND CONNECTING METHOD
Document Type and Number:
WIPO Patent Application WO/2003/064175
Kind Code:
A1
Abstract:
A writing utensil, a writing tip welding method, and writing utensil parts connecting structure and connecting method, wherein a writing tip and ink tube and/or a holding body can be properly welded only at required regions without using ultrasonic waves and come-off of the writing tip, ink leakage or the like can be suppressed or prevented. A predetermined region of the rear end fitted in the joint of a writing tip of metal constituting the writing utensil (at least the portion where the front end portion of the joint is fitted) is heated and the predetermined region of the writing tip and the joint therearound are welded.
Inventors:
FURUKAWA KAZUHIKO (JP)
FUJISAWA KIYOSHI (JP)
ISHII YOSHIHIDE (JP)
KATO DAISEN (JP)
FUJISAWA KIYOSHI (JP)
ISHII YOSHIHIDE (JP)
KATO DAISEN (JP)
Application Number:
PCT/JP2003/000929
Publication Date:
August 07, 2003
Filing Date:
January 30, 2003
Export Citation:
Assignee:
MITSUBISHI PENCIL CO (JP)
FURUKAWA KAZUHIKO (JP)
FUJISAWA KIYOSHI (JP)
ISHII YOSHIHIDE (JP)
KATO DAISEN (JP)
FURUKAWA KAZUHIKO (JP)
FUJISAWA KIYOSHI (JP)
ISHII YOSHIHIDE (JP)
KATO DAISEN (JP)
International Classes:
B29C65/02; B29C65/64; B43K7/00; (IPC1-7): B43K7/00; B29C65/02
Foreign References:
| JPS5416254B2 | 1979-06-21 | |||
| JPS5243133B2 | 1977-10-28 | |||
| JPS50122325A | 1975-09-25 | |||
| JPH07329484A | 1995-12-19 | |||
| JPS50138120U | 1975-11-13 | |||
| JPS50149138U | 1975-12-11 | |||
| JPH0584829A | 1993-04-06 |
Attorney, Agent or Firm:
Fujimoto, Eisuke c/o Fujimoto Patent & Law Office (Room 317 Sanno Grand Building 3F., 14-2,
Nagata-cho 2-chom, Chiyoda-ku Tokyo, JP)
Download PDF:
Previous Patent: MARKING INSTRUMENTS AND METHODS OF MANUFACTURING MARKING INSTRUMENTS
Next Patent: NOTE OR WRITING PAD HOLDER
Next Patent: NOTE OR WRITING PAD HOLDER