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
Method of making and using an alpha-glucanase composition to reduce or remove biofilm
Cytokine biomarkers as predictive biomarkers of clinical response for Glatiramer acetate
System and method for passing PLC signals from a first electrical line to a second electrical line
Substituted bicyclic HCV inhibitors
Transmission apparatus, receiving apparatus, method, and storage medium
Imaging lens with three lens elements, and electronic apparatus having the same
  Randomly Featured Patents
Reinforcing frame construction for tractor having ROPS
Aircraft door sill guard
Method and apparatus for handling rolls
Host with multiple sequential adapters for multiple consumer electronic devices
Tuckers on mechanical folding rolls
Card reader for mobile phone
Tetrahydroisoquinoline derivatives as LHRH antagonists
Systematic evolution of ligands by exponential enrichment: tissue selex
Nonvolatile programmable neural network synaptic array