Patent · US Active

Apparatus and method for retaining and releasing solid material

US9072627B2 · kind B2 · utility

0Cited by

5References

17Claims

0Family size

Assignee

The Procter & Gamble Company · US

Inventors

Harald Hermann Hundorf · Bonn, DE
Peter Ostle · Euskirchen, DE

Key dates

Filing date	Jun 9, 2011
Grant date	Jul 7, 2015
Priority date	—
Expiry date	Jan 21, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05C1/08
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

An apparatus for making a structure comprising solid material and typically a substrate, said apparatus comprising a first moving endless surface and adjacent thereto one or more stationary primary (vacuum) gas containers (chambers), at least one thereof being connected to a secondary (vacuum) gas container, whereby the pressure difference between primary and secondary containers is minimized; and methods using such an apparatus.

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