AT296128B - Method and device for the cross-sectional deformation of seamless asbestos-cement pipes - Google Patents

Method and device for the cross-sectional deformation of seamless asbestos-cement pipes

Info

Publication number
AT296128B
AT296128B AT1059769A AT1059769A AT296128B AT 296128 B AT296128 B AT 296128B AT 1059769 A AT1059769 A AT 1059769A AT 1059769 A AT1059769 A AT 1059769A AT 296128 B AT296128 B AT 296128B
Authority
AT
Austria
Prior art keywords
asbestos
seamless
cross
sectional deformation
cement pipes
Prior art date
Application number
AT1059769A
Other languages
German (de)
Original Assignee
Seelze & Eichriede Fulgurit
Oesterheld Adolf
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
Priority claimed from DE19681808526 external-priority patent/DE1808526C3/en
Application filed by Seelze & Eichriede Fulgurit, Oesterheld Adolf filed Critical Seelze & Eichriede Fulgurit
Application granted granted Critical
Publication of AT296128B publication Critical patent/AT296128B/en

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
    • B28B21/92—Methods or apparatus for treating or reshaping
    • B28B21/98—Methods or apparatus for treating or reshaping for reshaping, e.g. by means of reshape moulds
    • 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
    • B28B21/86—Cores
    • B28B21/88—Cores adjustable, collapsible or expansible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/08—Rigid pipes of concrete, cement, or asbestos cement, with or without reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B02C2018/188—Stationary counter-knives; Mountings thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
AT1059769A 1968-11-13 1969-11-12 Method and device for the cross-sectional deformation of seamless asbestos-cement pipes AT296128B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681808526 DE1808526C3 (en) 1968-11-13 Device for forming seamless pipes made of asbestos cement

Publications (1)

Publication Number Publication Date
AT296128B true AT296128B (en) 1972-01-25

Family

ID=5713140

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1059769A AT296128B (en) 1968-11-13 1969-11-12 Method and device for the cross-sectional deformation of seamless asbestos-cement pipes

Country Status (9)

Country Link
AT (1) AT296128B (en)
BE (1) BE741651A (en)
CH (1) CH504290A (en)
DK (1) DK139463B (en)
FR (1) FR2023212A1 (en)
GB (1) GB1271557A (en)
IE (1) IE33637B1 (en)
NL (1) NL164499C (en)
NO (1) NO130101B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1208962B (en) * 1983-05-30 1989-07-10 Verio Scarafoni EXPANDABLE ELEMENT WITH CONTROLLED EXPANSION AND AGENT BY MEANS OF PRESSURIZED FLUIDS.
CN107599123B (en) * 2017-09-07 2023-05-05 广东欧莱高新材料股份有限公司 Frock of cylindric target slip casting mould
SG11202005367SA (en) * 2017-11-29 2020-07-29 St Eng Aerospace Ltd Core assembly for moulding and method of moulding thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1332072A (en) * 1963-12-16
GB674986A (en) * 1949-08-31 1952-07-02 Charles Bernard Mathews Improvements in pneumatic cores for use in the moulding of hollow concrete articles
CH329470A (en) * 1954-01-08 1958-04-30 Widmer Erwin Process for deforming seamless tubes made of plastic material when heated
US3074140A (en) * 1960-04-18 1963-01-22 Martin Marietta Corp Means for forming voids in concrete products
FR1301155A (en) * 1961-09-15 1962-08-10 Process for transforming a cylindrical pipe to obtain an element with a square or other section and industrial product obtained
FR1543246A (en) * 1967-07-05 1968-10-25 Thermoplastic tube forming

Also Published As

Publication number Publication date
NL164499B (en) 1980-08-15
DE1808526A1 (en) 1970-06-25
CH504290A (en) 1971-03-15
IE33637B1 (en) 1974-09-04
GB1271557A (en) 1972-04-19
NL164499C (en) 1981-01-15
NL6917116A (en) 1970-05-15
DE1808526B2 (en) 1976-06-10
NO130101B (en) 1974-07-08
FR2023212A1 (en) 1970-08-07
IE33637L (en) 1970-05-13
DK139463C (en) 1979-08-06
BE741651A (en) 1970-04-16
DK139463B (en) 1979-02-26

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee