ATE57492T1 - METHOD AND DEVICE FOR CLEANING LOWER MOLDS FOR SHAPING PLATES FROM A CURING PLASTIC MASS IN THE EXTRUSION PROCESS. - Google Patents

METHOD AND DEVICE FOR CLEANING LOWER MOLDS FOR SHAPING PLATES FROM A CURING PLASTIC MASS IN THE EXTRUSION PROCESS.

Info

Publication number
ATE57492T1
ATE57492T1 AT88113615T AT88113615T ATE57492T1 AT E57492 T1 ATE57492 T1 AT E57492T1 AT 88113615 T AT88113615 T AT 88113615T AT 88113615 T AT88113615 T AT 88113615T AT E57492 T1 ATE57492 T1 AT E57492T1
Authority
AT
Austria
Prior art keywords
pallets
swivelled
afterwards
plastic material
abutting edges
Prior art date
Application number
AT88113615T
Other languages
German (de)
Inventor
Karl-Heinz Haering
Helmut Fecher
Manfred Weisweiler
Original Assignee
Braas & Co Gmbh
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 Braas & Co Gmbh filed Critical Braas & Co Gmbh
Application granted granted Critical
Publication of ATE57492T1 publication Critical patent/ATE57492T1/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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
    • B28B7/386—Cleaning

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

1. Method for cleaning pallets for the moulding of plates of hardenable plastic material, for instance of concrete roofing tiles, in an extrusion process in which, on the pallets which are brought to a coating installation on a carrying device with adjacent abutting edges, a continuous coat of the plastic material is applied and, afterwards, compressed by means of a moulding cylinder and of a smoothing tool and, if necessary, profiled ; the compressed coat is further cut in a cutting station at the abutting edges of the pallets into plate shapes which will be later hardened, if necessary, under high temperature, and then separated from the pallets and afterwards taken away while the pallets are carried back to the coating installation, characterized in that pallets are swivelled about an axis in the conveying direction at least once before the renewed coating with the plastic material and, afterwards, swivelled back again into their conveying position, while the pallets placed before and behind a swivelled pallet and adjacent to it are respectively maintained in their conveying position, so that the hardened material sticking on its abutting edges is herewith sheared off.
AT88113615T 1987-09-25 1988-08-22 METHOD AND DEVICE FOR CLEANING LOWER MOLDS FOR SHAPING PLATES FROM A CURING PLASTIC MASS IN THE EXTRUSION PROCESS. ATE57492T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873732357 DE3732357A1 (en) 1987-09-25 1987-09-25 METHOD AND DEVICE FOR CLEANING LOWER SHAPES FOR MOLDING PANELS FROM A CURABLE PLASTIC MEASUREMENT IN THE EXTRACTION PROCESS
EP88113615A EP0308659B1 (en) 1987-09-25 1988-08-22 Method and device for cleaning pallets for the moulding of plates of a hardenable plastic material

Publications (1)

Publication Number Publication Date
ATE57492T1 true ATE57492T1 (en) 1990-11-15

Family

ID=6336882

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88113615T ATE57492T1 (en) 1987-09-25 1988-08-22 METHOD AND DEVICE FOR CLEANING LOWER MOLDS FOR SHAPING PLATES FROM A CURING PLASTIC MASS IN THE EXTRUSION PROCESS.

Country Status (5)

Country Link
EP (1) EP0308659B1 (en)
AT (1) ATE57492T1 (en)
DE (2) DE3732357A1 (en)
ES (1) ES2018872B3 (en)
GR (1) GR3001325T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105856390A (en) * 2016-05-31 2016-08-17 佛山市成达液压设备有限公司 Ridge tile machining and forming equipment
CN106042145B (en) * 2016-07-29 2018-06-19 重庆唐盛精密模具有限公司 Conveniently stripped concrete mold
CN108582459B (en) * 2018-05-17 2020-05-05 定州市郑辉钢结构工程有限公司 Magnesite tile production system and production method
CN110843098A (en) * 2019-11-29 2020-02-28 湖南三创智能科技有限公司 Full-automatic glaze dipping production line for ceramic wine bottles
CN112829052B (en) * 2021-01-20 2022-09-20 万绍豪 Be used for production cement board drawing of patterns equipment
CN115847584B (en) * 2023-02-23 2023-05-02 山东世纪鑫源建筑科技有限公司 Superimposed sheet die bench cleaning device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2752621A (en) * 1952-06-17 1956-07-03 David J Warsaw Block-mold pallet cleaning mechanism
DE2935555C2 (en) * 1979-09-03 1986-08-07 Braas & Co Gmbh, 6000 Frankfurt Device for releasing concrete roof tiles, in particular verge tiles, from their sub-forms

Also Published As

Publication number Publication date
DE3732357A1 (en) 1989-04-06
EP0308659B1 (en) 1990-10-17
ES2018872B3 (en) 1991-05-16
GR3001325T3 (en) 1992-08-31
EP0308659A1 (en) 1989-03-29
DE3860827D1 (en) 1990-11-22

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Legal Events

Date Code Title Description
EEFA Change of the company name
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee