Patent · US Expired

Insulated heater tray for making glass fibers and method for using same

US3996032A · kind A · utility

16Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 8, 1975
Grant dateDec 7, 1976
Priority date
Expiry dateDec 8, 1995

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF26B17/26
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An improved method and apparatus for forming chopped glass fiber strands is disclosed. The improvement comprises a vibratory conveyor under a drying apparatus for said glass fiber strands which is insulated such that cold spots do not develop on the tray adjacent the glass fiber strands. Preferably, the tray is formed of two sections, one inside the other, having an airspace therebetween along their lengths and having a spacer between the lips of the sections.

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