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Expired Canadian patentCanada

Solder-coating method and apparatus

CA 1161570 A · Owner: Allied Corporation · Inventors: Schillke, Peter; Walls, Robert R.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Abstract of the Disclosure A continuous process for applying a solder coating to copper-coated holes and tracks on a printed circuit board. The upper surface of the circuit board having a flux thereon is contacted with a contact member and the circuit board and contact member are moved through a molten bath of solder. Solder is displaced by the circuit board to produce a buoyant force which presses the circuit board against the contact member. The speed of the contact member in moving through the molten solder is controlled to determine dwell time of the circuit board and maintain contact between the circuit board and the contact member. An apparatus for continuously applying a solder …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted January 31, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 31, 2001.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 22, 1980
GrantedJanuary 31, 1984
Term endedJanuary 31, 2001
Patent numberCA 1161570 A
Classification (IPC)H05K3/34 +2 more

Timeline

Timeline From CIPO dates

1981198419871990199319961999Application filedSep 22, 1980Patent grantedJan 31, 1984Term endedJan 31, 2001

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.