FR2270369A1 - Double disc paper stock refiner - with inlet fittings having annular spiral flow chambers with helical back wall - Google Patents

Double disc paper stock refiner - with inlet fittings having annular spiral flow chambers with helical back wall

Info

Publication number
FR2270369A1
FR2270369A1 FR7415676A FR7415676A FR2270369A1 FR 2270369 A1 FR2270369 A1 FR 2270369A1 FR 7415676 A FR7415676 A FR 7415676A FR 7415676 A FR7415676 A FR 7415676A FR 2270369 A1 FR2270369 A1 FR 2270369A1
Authority
FR
France
Prior art keywords
back wall
double disc
paper stock
stock
spiral flow
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.)
Granted
Application number
FR7415676A
Other languages
English (en)
French (fr)
Other versions
FR2270369B1 (cg-RX-API-DMAC10.html
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.)
Bematec SA
Bolton Emerson Americas Inc
Original Assignee
Bolton Emerson SA
Bolton Emerson Americas Inc
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 Bolton Emerson SA, Bolton Emerson Americas Inc filed Critical Bolton Emerson SA
Priority to FR7415676A priority Critical patent/FR2270369A1/fr
Publication of FR2270369A1 publication Critical patent/FR2270369A1/fr
Application granted granted Critical
Publication of FR2270369B1 publication Critical patent/FR2270369B1/fr
Granted legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/30—Disc mills
    • D21D1/303—Double disc mills

Landscapes

  • Paper (AREA)
FR7415676A 1974-05-07 1974-05-07 Double disc paper stock refiner - with inlet fittings having annular spiral flow chambers with helical back wall Granted FR2270369A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7415676A FR2270369A1 (en) 1974-05-07 1974-05-07 Double disc paper stock refiner - with inlet fittings having annular spiral flow chambers with helical back wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7415676A FR2270369A1 (en) 1974-05-07 1974-05-07 Double disc paper stock refiner - with inlet fittings having annular spiral flow chambers with helical back wall

Publications (2)

Publication Number Publication Date
FR2270369A1 true FR2270369A1 (en) 1975-12-05
FR2270369B1 FR2270369B1 (cg-RX-API-DMAC10.html) 1980-08-01

Family

ID=9138528

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415676A Granted FR2270369A1 (en) 1974-05-07 1974-05-07 Double disc paper stock refiner - with inlet fittings having annular spiral flow chambers with helical back wall

Country Status (1)

Country Link
FR (1) FR2270369A1 (cg-RX-API-DMAC10.html)

Also Published As

Publication number Publication date
FR2270369B1 (cg-RX-API-DMAC10.html) 1980-08-01

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Legal Events

Date Code Title Description
ST Notification of lapse