Filter device with filter disks
CA 2284592 A1 · Owner: Hydac Process Technology Gmbh · Inventors: Teckentrup, Heinrich; Hausdorf, Jurgen; Lang, Norbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a filter device in particular for filtering melt-, type fluids such as polymer melts, comprising at least one filter disk (10) having two filter disk halves (12, 14) connected to each other by their edges and outwardly fitted with a filter tissue (18). The filter disk halves (12 14), held apart by a supporting device (46) delimit a substantially free , hollow area (16) between them through which a fluid can flow freely. Inwardly, they delimit an outflow opening (44) for the melt-type filtered fluid. The invention is characterized in that the supporting device (46) has individual supporting cams (32) of substantially equal outer dimensions and arranged in …
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 October 30, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 30, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 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.