Ceramic band heater and method for making the same
CA 1100560 A · Owner: Fast Heat Element Manufacturing Company, Inc. · Inventors: Crandell, Walter R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electric band heater of low expansion characteristics having a resistance wire wound element surrounding and embedded in a body of agglomerated densely packed ceramic particles and tightly encased within a metal housing. The invention also relates to a core body for an electric band heater which is formed from a resistance wire element embedded in and sandwiched between ceramic particle sheets the ceramic particle sheets, consisting of strips of heat dissipatable organic material having ceramic particles densely packed therein.
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 May 5, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 1998.
- 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.