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WO2000009914A3 - Leakage control system for treatment of moving webs - Google Patents

Leakage control system for treatment of moving webs

Info

Publication number
WO2000009914A3
WO2000009914A3 PCT/US1999/018456 US9918456W WO2000009914A3 WO 2000009914 A3 WO2000009914 A3 WO 2000009914A3 US 9918456 W US9918456 W US 9918456W WO 2000009914 A3 WO2000009914 A3 WO 2000009914A3
Authority
WO
Grant status
Application
Patent type
Prior art keywords
leak
leakage
treatment
web
control
Prior art date
Application number
PCT/US1999/018456
Other languages
French (fr)
Other versions
WO2000009914A2 (en )
Inventor
Jeffrey Dean Lindsay
Michael Alan Hermans
Frank Stephen Hada
Original Assignee
Kimberly Clark Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00Dryer section of machines for making continuous webs of paper
    • D21F5/18Drying webs by hot air
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/48Suction apparatus
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00Press section of machines for making continuous webs of paper
    • D21F3/02Wet presses
    • D21F3/0272Wet presses in combination with suction or blowing devices

Abstract

Pressurized web treatment systems (1) include a moving web (2) that passes through a pressurized treatment chamber (7) having a sealing assembly (6A,6B) with a leakage control system. Leakage control is achieved by the cooperative effect of localized leak detectors (31A,31B) and leak reduction means that applies a local sealing force on the seal assembly responsive to a signal from the leak detectors such that increased sealing occurs in the vicinity of the leak. In particular, an air press for paper web dewatering has improved efficiency by virtue of the leakage control system, which features local leak detectors and local force generation means associated with a flexible seal assembly to reduce leakage at the edges of the stationary plenum of the air press. Local leak detection can be based on sonic measurement with microphones, detection of escaping tracer gas, optical signals, and other means. Other embodiments of web treatment systems include those for continuous production of activated carbon fabrics and steam and chemical treatment of textiles and other fibrous webs.
PCT/US1999/018456 1998-08-12 1999-08-12 Leakage control system for treatment of moving webs WO2000009914A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US09133064 US6280573B1 (en) 1998-08-12 1998-08-12 Leakage control system for treatment of moving webs
US09/133,064 1998-08-12

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP19990942178 EP1144888B1 (en) 1998-08-12 1999-08-12 Leakage control system for treatment of moving webs
JP2000565325A JP2003516500A (en) 1998-08-12 1999-08-12 Leakage control system for the processing of the moving web
DE1999627716 DE69927716T2 (en) 1998-08-12 1999-08-12 Leakage control device for the treatment of ongoing paper webs
CA 2342815 CA2342815A1 (en) 1998-08-12 1999-08-12 Leakage control system for treatment of moving webs
DE1999627716 DE69927716D1 (en) 1998-08-12 1999-08-12 Leakage control device for the treatment of ongoing paper webs

Publications (2)

Publication Number Publication Date
WO2000009914A2 true WO2000009914A2 (en) 2000-02-24
WO2000009914A3 true true WO2000009914A3 (en) 2002-10-03

Family

ID=22456843

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/018456 WO2000009914A3 (en) 1998-08-12 1999-08-12 Leakage control system for treatment of moving webs

Country Status (7)

Country Link
US (2) US6280573B1 (en)
EP (1) EP1144888B1 (en)
JP (1) JP2003516500A (en)
CN (1) CN1406301A (en)
CA (1) CA2342815A1 (en)
DE (2) DE69927716T2 (en)
WO (1) WO2000009914A3 (en)

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EP1144888A2 (en) 2001-10-17 application
DE69927716D1 (en) 2005-11-17 grant
CA2342815A1 (en) 2000-02-24 application
EP1144888B1 (en) 2005-10-12 grant
US6280573B1 (en) 2001-08-28 grant
DE69927716T2 (en) 2006-05-04 grant
US20020060018A1 (en) 2002-05-23 application
WO2000009914A2 (en) 2000-02-24 application
US6579418B2 (en) 2003-06-17 grant
JP2003516500A (en) 2003-05-13 application
EP1144888A3 (en) 2002-11-20 application

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