Patent · US Expired

Method and apparatus for microwave heating of flowable material

US4129768A · kind A · utility

13Cited by
1References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 7, 1977
Grant dateDec 12, 1978
Priority date
Expiry dateJan 7, 1997

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B6/802
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A microwave oven is provided with a rotatable microwave transparent tube or drum positioned within the same and at an angle to the horizontal, through which material is introduced at the upper end and which flows in continuous agitation to the lower end while being subjected to microwave fields within said oven. In a preferred embodiment uniform heatingof scrap rubber particles to cause devulcanization is disclosed as an immediate useful application.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.