U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Composite aluminum-containing workpieces

Patent 4241148 Issued on December 23, 1980. Estimated Expiration Date: Icon_subject December 23, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

722273

1453928

1612151

2026566

2821014

2870008

2943181

3031298

3081534

3252841

More ...

Inventors

Application

No. 05/853768 filed on 11/21/1977

US Classes:

428/654Next to Al-base component

Examiners

Primary: Dean, R.

Attorney, Agent or Firm

International Class

B23K 35/28 (20060101)

Foreign Application Priority Data

1969-12-15 DE

Abstract

Processes and compositions for soldering aluminum-containing workpieces wherein the solder contains components which lower the surface tension and the viscosity of the molten solder, and which lower the interfacial tension between the solder and the aluminum-containing workpieces. Useful components are bismuth, strontium, barium and antimony. The solder may be used with or without flux.

PatentsPlus Images
Enhanced PDF formats
loading...
PatentsPlus: add to cart
PatentsPlus: add to cartSearch-enhanced full patent PDF image
$9.95more info
PatentsPlus: add to cart
PatentsPlus: add to cartIntelligent turbocharged patent PDFs with marked up images
$18.95more info
 
Sign InRegister
Username  
Password   
forgot password?