Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harvey Frost & Co Ltd
Original Assignee
Harvey Frost & Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harvey Frost & Co LtdfiledCriticalHarvey Frost & Co Ltd
Application grantedgrantedCritical
Publication of GB190803250ApublicationCriticalpatent/GB190803250A/en
Heating, Cooling, Or Curing Plastics Or The Like In General
(AREA)
Abstract
3250. Welch, W. H., and Frost & Co., H. Feb. 13. Heating by electricity; non-conducting coverings.- Electricallyheated vulcanizers are constructed with a vegetable fibre, such as cork or wood, as the lagging and insulating material. The conductors A are disposed in the form of a superficies on the block of cork B, and are covered with a plate of mica C, and over that is placed a thin metallic plate D.
GB190803250D1908-02-131908-02-13Improvements in or relating to Electrically Heated Vulcanising Apparatus for Tyre-tubes and Covers.
ExpiredGB190803250A
(en)