Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Light cover
Information processor, method for verifying authenticity of computer program, and computer program product
Mixing, processing and sealing machine for substances to prepare cosmetics and related materials and corresponding procedures for preparation of cosmetics and related materials
Hologram fabrication process and fabricated hologram
Two-stroke gasoline engine equipped with a self-powering generator
Mechanism for packet forwarding using switch pools in flow-based, split-architecture networks
Optimization of expression of parvoviral rep and cap proteins in insect cells
  Randomly Featured Patents
Method and apparatus for enhancing the integrity of visual authentication
Combined container and lid
Coating of a hydrophobic polymer substrate with a nonstoichiometric polyelectrolyte complex
Method of nano thin film thickness measurement by auger electron spectroscopy
Environmentally friendly ink cleaning preparation
Food supplement dispensing system for animals
Method and apparatus for sequentially etching a wafer using anisotropic and isotropic etching
Tire pressure monitoring sensor diagnosis via vehicle antitheft and entry system
Fidelity ratio corrected photomasks and methods of fabricating fidelity ratio corrected photomasks
Tree harvester