Patent · US Expired

Ink jet apparatus and method of making the apparatus

US4544932A · kind A · utility

5Cited by
2References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 26, 1984
Grant dateOct 1, 1985
Priority date
Expiry dateApr 26, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2002/14387
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An ink jet apparatus with a laminated structure includes a chamber plate, a diaphram and a transducer body. A compliant material preloads the diaphram at the chambers. The thickness of the compliant material is controlled by a spacer element located between the diaphram and the transducer body.

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