Patent · US Expired

Method and apparatus for lubricating molding tools

US4388343A · kind A · utility

56Cited by

11References

11Claims

0Family size

Assignee

Boehringer Ingelheim GmbH · DE

Inventors

Gunther Voss · Dießen am Ammersee, DE
Peter Gruber · Bottmingen, CH

Key dates

Filing date	Nov 30, 1981
Grant date	Jun 14, 1983
Priority date	—
Expiry date	Nov 30, 2001

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S425/115
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method and apparatus for the coating of molding tools which comprises dispersing liquid or suspended lubricant in directional manner before each pressing operation in discrete, specific droplets onto the pressing zones of the molding tools, said dispersing being effected by means of f.i. piezoelectric transducers.

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