Resources Contact Us Home
Chip for a ball point pen

Image Number 4 for United States Patent #6299375.

The present invention's purpose is to provide a high quality chip for a ball-pointed pen in which air bubbles are not left in the centrifugal separating processing when the refill is manufactured. There is provided a chip for a ball-pointed pen in which a transfer ball held in a ball house at the extremity end in a holder is biased from a rear part by a resilient member, wherein the resilient member is received at its rear end by a plurality of small projections integrally arranged in a circumferential direction at an inner circumferential surface of the metallic holder, thereby when deaeration is performed in the centrifugal separating processing at the manufacturing stage of refill, some air bubbles within the holder are passed between the plurality of small projections and moved smoothly in a rearward direction.

  Recently Added Patents
Liquid crystal display
Method of monitoring and configuring
Epilation apparatus
Liquid-filled protein-phosphatidic acid capsule dispersions
Computer network running a distributed application
Control device with adjusting pulse width modulation function and the backlight module thereof
  Randomly Featured Patents
Portable three axis scanner to inspect a gas turbine engine spool by eddy current or ultrasonic inspection
Method for delivering energy to tissue and apparatus
Power conservation system for a modem in a computer system
Method and apparatus for forming an electrical connection to a semiconductor substrate
Compact changer-type disk player
Use of derivatives of 4-hydroxyphenoxy acetic acid
Liposuction based on tissue liquefaction
Face wall for a motor vehicle
Systems and methods for providing electronic document services