Patent · US Expired

Process for manufacturing open-air compound insulators

US4246696A · kind A · utility

29Cited by

5References

12Claims

0Family size

Assignee

Rosenthal Technik AG · DE

Inventors

Ewald Bauer · Wunsiedel, DE
Martin Kuhl · Selb, DE

Key dates

Filing date	Oct 16, 1978
Grant date	Jan 27, 1981
Priority date	—
Expiry date	Oct 16, 1998

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49227
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Open-air compound insulators are made treating a prefabricated glass-filter rod with silane, extruding a rubber layer on the rod, strengthening the rubber layer and bonding prefabricated screens to the rubber layer by vulcanization.

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