Title:
【発明の名称】真空ロール移送装置およびウェブの移送方法
Document Type and Number:
Japanese Patent JPH0742677
Kind Code:
B2
Abstract:
A vacuum roll transfer apparatus is disclosed for drying a web extending through a single tier dryer section of a paper machine. The apparatus includes a rotatable perforate shell having a first and a second end. A stationary duct is disposed within and along the length of the shell between the ends of the shell. The duct is connected to a source of partial vacuum and the shell defines a plurality of holes along the length thereof such that is use of the apparatus, when the duct is connected to the source of partial vacuum, a partial vacuum is generated within a chamber defined between the shell and the duct. A flow restricting arrangement is disposed within the duct for generating a greater vacuum level adjacent to at least one of the ends of the shell for facilitating threading of a tail of the web.
Inventors:
Wedel, Gregory El
Application Number:
JP50807889A
Publication Date:
May 10, 1995
Filing Date:
July 11, 1989
Export Citation:
Assignee:
Beloit Corporation
International Classes:
D21F3/10; D21F5/04; D21G9/00; (IPC1-7): D21F3/10; D21F5/04
Domestic Patent References:
| JPS5464111A | 1979-05-23 |
Attorney, Agent or Firm:
Akasaka Saka (2 people outside)