Patent · US Expired

Composite hand tool

US5271300A · kind A · utility

90Cited by
22References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 14, 1992
Grant dateDec 21, 1993
Priority date
Expiry dateJul 14, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24132
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A totally non-metallic wrench formed entirely of fiber-reinforced plastic material includes a core of random discontinuous glass-fiber-reinforced plastic material and a band of unidirectional continuous glass-fiber-reinforced plastic material extending around the periphery of the core which are subjected to compression molding to form a composite wrench structure.

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