DE3564087D1 - Device for severing ribbed boards - Google Patents

Device for severing ribbed boards

Info

Publication number
DE3564087D1
DE3564087D1 DE8585201759T DE3564087T DE3564087D1 DE 3564087 D1 DE3564087 D1 DE 3564087D1 DE 8585201759 T DE8585201759 T DE 8585201759T DE 3564087 T DE3564087 T DE 3564087T DE 3564087 D1 DE3564087 D1 DE 3564087D1
Authority
DE
Germany
Prior art keywords
cutting
severing
cutter
tool
cut
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
DE8585201759T
Other languages
German (de)
Inventor
Alexander General Ele Hoekstra
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE3564087D1 publication Critical patent/DE3564087D1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/56—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter
    • B26D1/60—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is mounted on a movable carriage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/10—Means for treating work or cutting member to facilitate cutting by heating

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Details Of Cutting Devices (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)

Abstract

Plastic multi-skin sheets are cut off with a cutter which is raised to just above the melting point of the plastic material; during the cutting process its supply of heating energy is increased. The core material for the sheet is produced in an extruder and the extrusion is passed from an oven to the point where it meets the skins; the combined sheet is conveyed then to the cutter and the cut sheets are removed by a conveyor. Between cutting operations the cutting tool is held at 200-300 deg. C (for polycarbonate) but is made hotter still during cutting itself. The tool is U-shaped.
DE8585201759T 1985-10-30 1985-10-30 Device for severing ribbed boards Expired DE3564087D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85201759A EP0220341B1 (en) 1985-10-30 1985-10-30 Device for severing ribbed boards

Publications (1)

Publication Number Publication Date
DE3564087D1 true DE3564087D1 (en) 1988-09-08

Family

ID=8194073

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585201759T Expired DE3564087D1 (en) 1985-10-30 1985-10-30 Device for severing ribbed boards

Country Status (3)

Country Link
EP (1) EP0220341B1 (en)
AT (1) ATE36132T1 (en)
DE (1) DE3564087D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2615433B1 (en) * 1987-05-19 1994-08-05 Kaysersberg Sa DEVICE FOR CUTTING PLATES IN THERMOPLASTIC MATERIAL
DE4244632C1 (en) * 1992-12-30 1994-06-23 Meier Harald Consulting Tool for forming a groove in a receptacle of a tape cassette intended for a drive shaft
IT1316935B1 (en) * 2000-10-05 2003-05-13 Kemac Srl CUTTER FOR EXTRUDED.
GB2382321A (en) * 2001-11-21 2003-05-28 Doyen Medipharm Ltd Process and apparatus for cutting sheets

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2293721A (en) * 1941-08-11 1942-08-25 Gen Tire & Rubber Co Method of and apparatus for cutting and splicing thick rubber stock and the like
GB944617A (en) * 1962-03-02 1963-12-18 Barand Ltd Device for cutting soft tubing
US3263540A (en) * 1964-05-27 1966-08-02 Dow Chemical Co Apparatus for slitting plastic film
US3259004A (en) * 1964-06-10 1966-07-05 Dow Chemical Co Band saw employing a copper blade
DE2454919C3 (en) * 1974-11-20 1978-04-27 Hoechst Ag, 6000 Frankfurt Cutting device for coated panels
DE2536685A1 (en) * 1975-08-18 1977-03-03 Meurer Franz Josef Plastic film separation by thermal action in unwinder - with rapid separation without carbonisation or burning of film
FR2425922A1 (en) * 1978-05-19 1979-12-14 Lair Jacques Cutter device associated with heat source - comprising electrical resistance element controlled by potentiometer
DE3248536A1 (en) * 1982-12-29 1984-07-05 Zängl GmbH, 8000 München Cutting device for cutting panels from thermoplastic material

Also Published As

Publication number Publication date
EP0220341A1 (en) 1987-05-06
ATE36132T1 (en) 1988-08-15
EP0220341B1 (en) 1988-08-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee