Patent · US Expired

Method for preparing an aluminum clip

US4017337A · kind A · utility

23Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 9, 1975
Grant dateApr 12, 1977
Priority date
Expiry dateApr 9, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T24/44786
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A clip exhibiting improved corrosion resistance and reduced weight is processed by a drawing operation which is preferably conducted without interannealing treatments and which may employ a variation of drawing speeds. The clip of the present invention is prepared from an aluminum base alloy comprising from about 0.05-6.0% silicon, about 0.10-0.8% iron, about 0.02-0.3% copper, up to 1.0% manganese and up to 7.0% magnesium. The resulting clips possess comparable tensile properties to conventional tin and zinc-coated steel clips with an economy of processing.

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