Ballpoint pen tip, manufacturing method therefor, and...

Details Ballpoint pen tip, manufacturing method therefor, and... Ballpoint pen tip, manufacturing method therefor, and...

B - Operations, Transporting

43

K

B43K 7/00 (2006.01) B43K 1/08 (2006.01)

Patent

CA 2147916

The present invention provides a ballpoint pen tip including a metallic pipe having a plurality of inwardly projecting portions at a neighborhood of a front end portion of the pipe at regular intervals, and a front end edge portion at a front end of the pipe, and a ball rotatably held between the front end edge portion and the plurality of inwardly projecting portions, wherein the pipe satisfies a relation of A/T <= 5.8 where A is an outer diameter of the ball and T is a thickness of the pipe.

Affiliated with

Also associated with

Rating

Ballpoint pen tip, manufacturing method therefor, and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ballpoint pen tip, manufacturing method therefor, and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ballpoint pen tip, manufacturing method therefor, and... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1653029