Blow mold device
CA 2454747 A1 · Owner: A.K. Technical Laboratory, Inc. · Inventors: Horiuchi, Takaharu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The shifting of the parting line between split molds due to mold tightening force is prevented. A blow mold device (11) wherein a pair of split molds forming a blow cavity (12) are a set of molds and a plurality of such sets , are attached in parallel to mold attaching plates (15 16) with a clearance , defined between adjacent sets. One split mold (13) is attached by bolts (17) inserted in bolt holes (23) in the form of loose holes in the mold attaching plate (15) in such a manner as to allow relative lateral shifting of the split mold (13) and mold attaching plate (15). The other split mold (14) is fixedly attached to the mold attaching plate (16) by positioning pins (18) and bolts …
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 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 26, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 26, 2024.
- 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.