The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 11, 2024

Filed:

Sep. 11, 2020
Applicant:

Société Bic, Clichy, FR;

Inventors:

Julien Bouchet, Montevrain, FR;

Stéphane Larue, Montevrain, FR;

Eric Pestour, Montevrain, FR;

Assignee:

Société BIC, Clichy, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B43K 1/08 (2006.01); B21D 22/02 (2006.01); B23P 15/00 (2006.01); B43K 7/10 (2006.01);
U.S. Cl.
CPC ...
B23P 15/00 (2013.01); B21D 22/025 (2013.01); B43K 1/084 (2013.01); B43K 7/10 (2013.01);
Abstract

A method of manufacturing a metallic ball pen tip for a writing instrument comprising a feeding passage extending in an axial direction, the feeding passage reaching in a housing configured to receive a ball, the housing being defined by a cylindrical wall and a wall, the method comprising the steps providing a preform of the metallic ball pen tip comprising the feeding passage and the housing, the housing being defined by the cylindrical wall and a wall, machining the wall so as to obtain a stepped wall, broaching feeding grooves in the stepped wall and coining the stepped wall with a spherical die so as to obtain the ball seat, and a metallic ball pen tip obtained by the method.


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