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Patent Searching and Data


Title:
FUEL DISTRIBUTING TUBE AND ITS MANUFACTURE
Document Type and Number:
Japanese Patent JPH11138652
Kind Code:
A
Abstract:

To provide a fuel distributing tube for enhancing a positional accuracy in the tube of a lead bus without generating an air gap on a surface of the tube and a method for manufacturing it.

In the method for manufacturing a fuel distributing tube comprising a first step of manufacturing a lead bus molding 20 having reed buses 211, 212 embedded in an insulating resin, and a second step of installing the molding 20 in molds 81, 82 and integrally molding it. A plurality of protrusions 25 brought into contact with a wall surface of the mold in the second step to position a surface position of the molding 20 in a fluid tube part 11 are provided, have columnar first protrusions 26 of a small diameter and second protrusions 27 each having a relatively short protruding length and a columnar outer periphery, and a tapered surface 271 for gradually reducing its diameter is formed to an axial center at the end of each second protrusion.


Inventors:
YAMAMOTO TAKEOMI
Application Number:
JP32536097A
Publication Date:
May 25, 1999
Filing Date:
November 10, 1997
Export Citation:
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Assignee:
OTICS CORP
International Classes:
B29C45/14; B29D24/00; B29L23/00; (IPC1-7): B29D24/00; B29C45/14
Attorney, Agent or Firm:
Yoshiyasu Takahashi