Mass soldering system providing an improved fluid blast
CA 1332890 C · Owner: Electrovert U.S.A. Corp. · Inventors: Lowell, Charles R.; Sterritt, Janet R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved hot air knife for use in removing excess solder from a circuit board in a mass soldering system of the type described in U.S. Patent Nos. 4410126 and 4401253 is described. In the present invention the hot air knife comprises a commercially available square tube one of, whose edges has been cut to provide the air knife outlet. Inside this tube there is provided a second round tube, for introducing hot air into the space between the round tube and the square tube. This inner round tube has holes facing away from the outlet slit of the square tube preferably at least 45 degrees on both sides of a plane extending from the outlet of the square tube to the opposite corner of the …
Read the whole patent
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 November 8, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 8, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.