Expansion joint seals and methods and apparatus for making and installing the same
CA 1310219 C · Owner: George, Joseph D. · Inventors: George, Joseph D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An expansion joint seal for sealing the gap between adjacent deck members of a bridge, for example includes, a strip of elastomeric material having an expansion portion and side marginal portions. According to one aspect of the invention, the expansion portion is reinforced with one-way fabric. According to another aspect of the invention, the side marginal portions are reinforced with two-way fabric. According to a third aspect of the invention, prefabricated bed plate assemblies are provided with mounting members on which an expansion joint seal can be mounted the bed plate, assemblies being capable of being readily secured to the edges of the adjacent deck members.
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
- Granted November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 2009.
- 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.