GB1428401A - Board- or paper-making process and machine - Google Patents

Board- or paper-making process and machine

Info

Publication number
GB1428401A
GB1428401A GB825572A GB825572A GB1428401A GB 1428401 A GB1428401 A GB 1428401A GB 825572 A GB825572 A GB 825572A GB 825572 A GB825572 A GB 825572A GB 1428401 A GB1428401 A GB 1428401A
Authority
GB
United Kingdom
Prior art keywords
ply
comparatively
unit
plies
wet
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
GB825572A
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.)
Beloit Walmsley Ltd
Original Assignee
Beloit Walmsley 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 Beloit Walmsley Ltd filed Critical Beloit Walmsley Ltd
Priority to GB825572A priority Critical patent/GB1428401A/en
Publication of GB1428401A publication Critical patent/GB1428401A/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
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/02—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
    • D21F11/04—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type paper or board consisting on two or more layers

Landscapes

  • Paper (AREA)

Abstract

1428401 Papermaking WALMSLEYS (BURY) Ltd 23 Feb 1973 [23 Feb 1972] 8255/72 Heading D2A To manufacture a paper or board of two or more plies, a first comparatively dry ply is formed on a unit 14 and then caused to undergo a change in direction of greater than 90‹ at B, e.g. at a roll 28, and immediately thereafter applied to a second comparatively wet ply formed on a unit 10 as the second ply travels in a straight path, water then being drawn from the wet ply to the dry ply, e.g. by suction box combination 56a-56c, to bond the plies together. As shown in Fig. 1 the first ply may be a composite ply formed by the union at A of a comparatively wet ply from the unit 14 and a comparatively dry ply from a unit 12, the plies from units 12, 14 being bonded together in an analogous way to the bonding of the plies at B. In a modification, as in Fig. 3, four forming units 10, 12, 14, 60 are positioned one above the next, each supplying a comparatively dry ply to be united with a comparatively wet ply formed on the underlying unit.
GB825572A 1972-02-23 1972-02-23 Board- or paper-making process and machine Expired GB1428401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB825572A GB1428401A (en) 1972-02-23 1972-02-23 Board- or paper-making process and machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB825572A GB1428401A (en) 1972-02-23 1972-02-23 Board- or paper-making process and machine

Publications (1)

Publication Number Publication Date
GB1428401A true GB1428401A (en) 1976-03-17

Family

ID=9849001

Family Applications (1)

Application Number Title Priority Date Filing Date
GB825572A Expired GB1428401A (en) 1972-02-23 1972-02-23 Board- or paper-making process and machine

Country Status (1)

Country Link
GB (1) GB1428401A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043289A2 (en) * 1980-07-02 1982-01-06 Black-Clawson International Limited Method and apparatus for manufacturing paper and paperboard
US4961824A (en) * 1984-05-11 1990-10-09 Laitinen Leo S Method for manufacturing multilayer board

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043289A2 (en) * 1980-07-02 1982-01-06 Black-Clawson International Limited Method and apparatus for manufacturing paper and paperboard
EP0043289A3 (en) * 1980-07-02 1982-01-20 Black-Clawson International Limited Method and apparatus for manufacturing paper and paperboard
US4961824A (en) * 1984-05-11 1990-10-09 Laitinen Leo S Method for manufacturing multilayer board

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees