CA990990A - Vacuum drainage device - Google Patents

Vacuum drainage device

Info

Publication number
CA990990A
CA990990A CA141,242A CA141242A CA990990A CA 990990 A CA990990 A CA 990990A CA 141242 A CA141242 A CA 141242A CA 990990 A CA990990 A CA 990990A
Authority
CA
Canada
Prior art keywords
drainage device
vacuum drainage
vacuum
drainage
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA141,242A
Other versions
CA141242S (en
Inventor
Wavell F. Cowan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inotech Process Ltd
Original Assignee
Inotech Process Ltd
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
Application filed by Inotech Process Ltd filed Critical Inotech Process Ltd
Application granted granted Critical
Publication of CA990990A publication Critical patent/CA990990A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/48—Suction apparatus
    • D21F1/52—Suction boxes without rolls
    • D21F1/523—Covers thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/48—Suction apparatus
    • D21F1/483—Drainage foils and bars
CA141,242A 1971-05-03 1972-05-03 Vacuum drainage device Expired CA990990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1270271A GB1382791A (en) 1971-05-03 1971-05-03 Vacuum drainage device

Publications (1)

Publication Number Publication Date
CA990990A true CA990990A (en) 1976-06-15

Family

ID=10009544

Family Applications (1)

Application Number Title Priority Date Filing Date
CA141,242A Expired CA990990A (en) 1971-05-03 1972-05-03 Vacuum drainage device

Country Status (2)

Country Link
CA (1) CA990990A (en)
GB (1) GB1382791A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO865051L (en) * 1986-01-08 1987-07-09 Mk Systems Inc Hydrofoil.
JP2749971B2 (en) * 1990-07-30 1998-05-13 三菱重工業株式会社 Paper layer forming equipment of paper machine
US5248392A (en) * 1990-07-30 1993-09-28 Mitsubishi Jukogyo Kabushiki Kaisha Sheet-forming apparatus for a twin wire paper machine with positive pulse shoe blades

Also Published As

Publication number Publication date
GB1382791A (en) 1975-02-05

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