Title:
【発明の名称】ボールペン用ボールポイント部材およびその製造方法
Document Type and Number:
Japanese Patent JP3207421
Kind Code:
B2
Abstract:
A method of manufacturing a ball point member for use in a ball point pen wherein a plurality of circumferential grooves are formed on one side only of the outer surface of the tubular body of the point member near the point ball. The point member is bent about a center of bending displaced from the axis of the tubular body in a direction whereby the grooved surface is on the compression side of the bend and the non-grooved surface is on the tension side of the bend while maintaining a compressive force throughout the tubular member.
Inventors:
Brown, Robert, Elle.
Application Number:
JP50736391A
Publication Date:
September 10, 2001
Filing Date:
March 26, 1991
Export Citation:
Assignee:
The, Gillette, Company
International Classes:
B21D53/76; B21D11/08; B43K1/08; B43K5/00; B43K7/00; B43K15/00; B43K15/02; (IPC1-7): B43K1/08; B21D53/76
Domestic Patent References:
| JP5376045U | ||||
| JP57179984U | ||||
| JP6235881U | ||||
| JP453693B1 |
Attorney, Agent or Firm:
Kazuo Sato (3 others)