Melt blow head comprising a nozzle block which is fixed in a defined position in relation to the slit plates and can be vertically removed from the same
CA 2510339 A1 · Owner: Rohm, Wolfgang · Inventors: Nickel, Axel; Rohm, Wolfgang
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 melt blow head comprising a straight row of nozzle apertures (8), arranged in a nozzle block (1). Said nozzle apertures are used to produce filament yarns formed from a melt. Longitudinal blow supply slits pertaining to two slit plates (2, 3) for the passage of the blow air to be supplied to the nozzle apertures in an oblique manner are associated with said apertures, and the melt is supplied to the nozzle apertures by means of at least one distributor (24) in the melt blow head the at least one distributor , being supplied with the melt via a supply line (7). The supply line in the melt blow head leads from a lateral inlet (11) which is connected to a melt …
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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
- Filed December 8, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 8, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 8, 2025.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.