The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 1982
Filed:
Sep. 22, 1980
Vyacheslav S Alexandrov, Leningrad, SU;
Alexandr E Guschin, Leningrad, SU;
Rudolf V Zavodov, Leningrad, SU;
Elena I Zhukova, Leningrad, SU;
Alexandr A Ivanov, Leningrad, SU;
Tatyana S Fofanova, Leningrad, SU;
Evgeny I Mikhailov, Leningrad, SU;
Ivan M Dianov, Leningrad, SU;
Pavel M Luzin, Leningrad, SU;
Igor A Sergeev, Leningrad, SU;
Lidia A Pankratova, Leningrad, SU;
Vera E Krylova, Leningrad, SU;
Semen A Leibenzon, Leningrad, SU;
Other;
Abstract
An apparatus for producing fibrous sheet material comprises a slot nozzle having side walls normal to converging frontal walls, its inlet opening communicating with means for dispersing fibers in a gas stream, while its outlet opening communicates with a chamber. A flat screen adapted to form a fibrous layer thereon is mounted under the chamber, and a suction box is arranged underneath the flat screen, wherein the side walls of the slot nozzle are parallel with respect to each other, and means for removing part of the gas from the gas-fiber stream are provided in the chamber under the outlet opening of the slot nozzle, the chamber being provided with branch pipes for gas exhaust, mounted substantially in the upper portion of the chamber.