Spreading unit for bonding machines, with adhesive recirculation systems
CA 2541475 C · Owner: Nordmeccanica S.P.A. · Inventors: Cerciello, Antonio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to an improved spreading unit for bonding machines which is equipped with recirculation systems that take up adhesive from the base of the reservoir in contact with the take-up roller and return it to the storage tank from which it is sent back to the reservoir; this continuous circulation of the product guarantees that the product will maintain the ideal temperature and viscosity characteristics. In accordance with an advantageous aspect of the invention the reservoir containing the adhesive taken up by the rollers is bounded by a pair of doctor blades which define an enclosed area in contact with the roller and are mounted on a sliding support so that they can be …
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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 March 29, 2006 and granted August 6, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 29, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.