GB1221563A - Improvements in multi-layer presses for production of sheets or boards of fibrous material - Google Patents

Improvements in multi-layer presses for production of sheets or boards of fibrous material

Info

Publication number
GB1221563A
GB1221563A GB28667/68A GB2866768A GB1221563A GB 1221563 A GB1221563 A GB 1221563A GB 28667/68 A GB28667/68 A GB 28667/68A GB 2866768 A GB2866768 A GB 2866768A GB 1221563 A GB1221563 A GB 1221563A
Authority
GB
United Kingdom
Prior art keywords
boards
sheets
plate
production
fibrous material
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
GB28667/68A
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.)
Valmet AB
Original Assignee
Defibrator AB
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 Defibrator AB filed Critical Defibrator AB
Publication of GB1221563A publication Critical patent/GB1221563A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/062—Press plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B7/00—Presses characterised by a particular arrangement of the pressing members
    • B30B7/02—Presses characterised by a particular arrangement of the pressing members having several platens arranged one above the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

1,221,563. Fibre board presses. DEFIBRATOR A.B. 17 June, 1968 [26 June, 1967], No. 28667/68. Heading B5A. [Also in Division D2] In a multi-daylight press, for the hot pressing of sheets or boards of fibrous materials such as wood fibres, of the type in which each upper platen of a pair is provided on its lower face with a plate for controlling the nature of the surface board or sheet to be produced, sagging of the plate when the press is in its inoperative position is prevented by making the plate from two layers 18 and 20, the upper of which has a higher coefficient of thermal expansion than the lower. In the particular example the upper layer 18 may be of copper and the lower layer 20 may be of acid-proof steel.
GB28667/68A 1967-06-26 1968-06-17 Improvements in multi-layer presses for production of sheets or boards of fibrous material Expired GB1221563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE09181/67*A SE337324B (en) 1967-06-26 1967-06-26

Publications (1)

Publication Number Publication Date
GB1221563A true GB1221563A (en) 1971-02-03

Family

ID=20276052

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28667/68A Expired GB1221563A (en) 1967-06-26 1968-06-17 Improvements in multi-layer presses for production of sheets or boards of fibrous material

Country Status (5)

Country Link
US (1) US3552306A (en)
DE (1) DE1703609C3 (en)
FR (1) FR1571120A (en)
GB (1) GB1221563A (en)
SE (1) SE337324B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888719A (en) * 1973-04-10 1975-06-10 Seal Adjustable vacuum press

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1996500A (en) * 1933-07-28 1935-04-02 Jr James L Adams Rolling-mill roll
US3143012A (en) * 1960-12-21 1964-08-04 Loire Atel Forges Hooped assembly
US3106153A (en) * 1961-03-09 1963-10-08 Beloit Iron Works Controllable deflection roll
DE1154256B (en) * 1961-06-29 1963-09-12 Eugen Siempelkamp Hot plate press, in particular hot plate stack press
US3416435A (en) * 1966-06-13 1968-12-17 Beloit Corp Roller press

Also Published As

Publication number Publication date
FR1571120A (en) 1969-06-13
DE1703609A1 (en) 1972-02-17
DE1703609C3 (en) 1974-02-28
DE1703609B2 (en) 1973-08-09
SE337324B (en) 1971-08-02
US3552306A (en) 1971-01-05

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