Patent · US Expired

Flexible mask and means for applying to honeycomb structures

US4576774A · kind A · utility

26Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 31, 1984
Grant dateMar 18, 1986
Priority date
Expiry dateMay 31, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24744
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

This invention is directed to means for expediting the fabrication of selectively-manifolded honeycomb structures for use as fluid filter elements. The method comprises the use of flexible masks which are properly aligned to the end faces of a honeycomb structure utilizing vibratory motion in conjunction with a locating wire. By varying the configuration of the masks, it is possible to fabricate a fluid filter element having a center zone which is selectively manifolded and an outer portion wherein at least the ends of the honeycomb structure cells are completely filled.

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