Patent · US Expired

Methods of fabricating bodies

US4098722A · kind A · utility

92Cited by
5References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 5, 1976
Grant dateJul 4, 1978
Priority date
Expiry dateAug 5, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24702
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The method comprises the steps of: forming one or more sheets of material in a single sheet of material with at least one generally planar region and at least one region of first corrugations. Second corrugations which are smaller than the first corrugations are then superimposed on the, or each, generally planar region and the, or each, corrugated region. The generally planar region, or regions are then laid onto the region, or regions that are provided with the first corrugations.

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