Patent · US Expired

Tubular article method for injection molding thereof

US5759647A · kind A · utility

22Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 27, 1994
Grant dateJun 2, 1998
Priority date
Expiry dateDec 27, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/266
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A long tubular article characterized by having a smooth surface and a substantially uniform wall thickness in the circumferential direction and the longitudinal direction and by being produced by injection molding a thermoplastic resin and a method for the injection molding.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.