Patent · US Expired

Twin-wire papermaking machine

US4430159A · kind A · utility

7Cited by

2References

11Claims

0Family size

Assignee

Escher Wyss GmbH · CH

Inventors

Alfred Bubik · Ravensburg, DE
Siegfried Reutter · Eberhardzell, DE

Key dates

Filing date	Apr 9, 1982
Grant date	Feb 7, 1984
Priority date	—
Expiry date	Apr 9, 2002

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21F9/003
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A twin-wire papermaking machine contains a region having two wires guided in mutual contact with one another and at which there is located at least one stock infeed device. The stock infeed device possesses the form of a box or cabinet member having an open side along which move both of the wires. Within the stock infeed device there is located a fibrous stock suspension suitable for the fabrication of paper and which is at an excess pressure in relation to the atmosphere. At the side of the wires facing away from the stock infeed device there can be arranged a suction device.

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