Process and apparatus for the coating of boards
CA 2275629 A1 · Owner: Bulow, Hans-Georg · Inventors: Bulow, Hans-Georg; Niesser, Diana
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a process for the coating of boards (4) with a poured material (L) especially for the coating of printed circuit boards with for example, solder , resist, the boards (4) to be coated are transported through and beneath a curtain of poured material descending transversely to the transport direction and the poured material descending in the form of a pouring curtain (LV) thus falls onto the boards (4). The descending pouring curtain (LV) falls onto a planar deflector surface (20) before falling onto the board (4) with an acute , angle (.alpha.) being formed between the deflector surface (20) and the plane of the pouring curtain (LV), which deflector surface (20) has a cut-off edge …
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
- Filed December 8, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 8, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 8, 2019.
- 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.