Adjustable disc roll for longitudinally orienting elongated wood chips
CA 2434710 A1 · Owner: Bossler, Friedrich · Inventors: Bossler, Friedrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for longitudinally orienting pre-glued elongated wood strands for forming OSB panels includes a spreading head with disc rolls that each have discs arranged parallel to one another on a rotatable shaft arranged over a forming belt. The discs of a given disc roll intermesh overlappingly in the interspaces between the discs of the adjacent disc rolls to form, vertical orienting passages between the intermeshing discs. The shaft or the individual discs of at least one of the disc rolls is/are slidably adjustable in the axial direction of the shaft to adjust the axial width of the orienting passages. In a method of operating the apparatus, the width of the orienting passages is …
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 July 7, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 7, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 7, 2025.
- 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.