AT354922B - Vorrichtung zum formen eines rohres aus faser- material, insbesondere asbestzement - Google Patents

Vorrichtung zum formen eines rohres aus faser- material, insbesondere asbestzement

Info

Publication number
AT354922B
AT354922B AT265278A AT265278A AT354922B AT 354922 B AT354922 B AT 354922B AT 265278 A AT265278 A AT 265278A AT 265278 A AT265278 A AT 265278A AT 354922 B AT354922 B AT 354922B
Authority
AT
Austria
Prior art keywords
pipe
forming
fiber material
asbestos cement
particular asbestos
Prior art date
Application number
AT265278A
Other languages
English (en)
Other versions
ATA265278A (de
Original Assignee
Riva Calzoni Spa
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 Riva Calzoni Spa filed Critical Riva Calzoni Spa
Application granted granted Critical
Publication of AT354922B publication Critical patent/AT354922B/de
Publication of ATA265278A publication Critical patent/ATA265278A/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/42—Methods or machines specially adapted for the production of tubular articles by shaping on or against mandrels or like moulding surfaces
    • B28B21/48—Methods or machines specially adapted for the production of tubular articles by shaping on or against mandrels or like moulding surfaces by wrapping, e.g. winding

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
AT265278A 1977-05-27 1978-04-17 Vorrichtung zum formen eines rohres aus faser- material, insbesondere asbestzement AT354922B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2406177A IT1079240B (it) 1977-05-27 1977-05-27 Dispositivo per la rivelazione dell'incremento di spessore di un tubo di materiale fibroso durante la sua formazione

Publications (2)

Publication Number Publication Date
AT354922B true AT354922B (de) 1979-02-11
ATA265278A ATA265278A (de) 1979-06-15

Family

ID=11211749

Family Applications (1)

Application Number Title Priority Date Filing Date
AT265278A AT354922B (de) 1977-05-27 1978-04-17 Vorrichtung zum formen eines rohres aus faser- material, insbesondere asbestzement

Country Status (6)

Country Link
AT (1) AT354922B (de)
BE (1) BE865966A (de)
CH (1) CH621084A5 (de)
DE (1) DE2808121C3 (de)
FR (1) FR2391829A1 (de)
IT (1) IT1079240B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI121857B (fi) * 2006-09-28 2011-05-13 Paroc Oy Ab Mineraalivillaa olevan putkieristyskourun pinnoitusmenetelmä ja -laitteisto

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1055685A (fr) * 1952-04-16 1954-02-22 Alessandro Calzoni Soc Dispositif pour la variation automatique de la pression de formation dans les machines pour former des tubes à partir de suspensions fibreuses, en particulier pour former des tubes de fibro-ciment
FR1130938A (fr) * 1954-09-16 1957-02-13 Alessandro Calzoni Spa Machine pour la fabrication de tubes en fibro-ciment, à fonctionnement continu, avec dispositif d'alimentation en cylindres collecteurs et de déchargement de ces cylindres avec les tubes formés qu'ils portent
US2892750A (en) * 1955-10-21 1959-06-30 Johns Manville Method and apparatus for loosening wet pipe from a mandrel
FR1204312A (fr) * 1956-05-04 1960-01-25 Mannesmann Ag Machine servant à fabriquer des corps moulés en mélanges de fibres d'amiante et deciment
AT230253B (de) * 1961-11-10 1963-11-25 Voith Ag J M Druckregler für Asbestzement-Rohrmaschinen
US3144378A (en) * 1962-06-20 1964-08-11 Johns Manville Method and apparatus for forming asbestos-cement products
US3271236A (en) * 1963-10-31 1966-09-06 Johns Manville Method and apparatus for the electrical loosening of the bond between a pipe and a mandrel during the winding of the pipe on the mandrel
US3554865A (en) * 1967-01-31 1971-01-12 Johns Manville Apparatus for forming asbestos-cement pipe
AT303507B (de) * 1968-11-28 1972-11-27 Voith Ag J M Verfahren zur Regelung des Liniendruckes von Druckwalzen in Maschinen zum Aufwickeln von Stoffbahnen
US3594274A (en) * 1969-04-21 1971-07-20 Johns Manville Selective mechanical aligning and equalizing means for asbestos cement tubes

Also Published As

Publication number Publication date
BE865966A (fr) 1978-07-31
IT1079240B (it) 1985-05-08
CH621084A5 (en) 1981-01-15
FR2391829A1 (fr) 1978-12-22
DE2808121A1 (de) 1978-11-30
FR2391829B1 (de) 1980-10-17
DE2808121B2 (de) 1979-07-12
ATA265278A (de) 1979-06-15
DE2808121C3 (de) 1980-03-13

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee
ELA Expired due to lapse of time