JPS5613138A - Plastic sheet trimming method - Google Patents

Plastic sheet trimming method

Info

Publication number
JPS5613138A
JPS5613138A JP8949979A JP8949979A JPS5613138A JP S5613138 A JPS5613138 A JP S5613138A JP 8949979 A JP8949979 A JP 8949979A JP 8949979 A JP8949979 A JP 8949979A JP S5613138 A JPS5613138 A JP S5613138A
Authority
JP
Japan
Prior art keywords
plastic sheet
sheet
edge portions
rolls
passed
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
JP8949979A
Other languages
Japanese (ja)
Other versions
JPS6137077B2 (en
Inventor
Kazuhiro Kida
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP8949979A priority Critical patent/JPS5613138A/en
Publication of JPS5613138A publication Critical patent/JPS5613138A/en
Publication of JPS6137077B2 publication Critical patent/JPS6137077B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0063—Cutting longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

Abstract

PURPOSE:To obtain beautiful cut edge surfaces of a plastic sheet by cutting a groove on one surface of the plastic sheet immediately after it is molded, and bending the plastic sheet by taper rollers. CONSTITUTION:A plastic sheet 3, which has just been extruded from a metal mold 1, is embossed while it is passed between rolls 6. On both edge portions of the plastic sheet 3 grooves are cut 4 at one surface thereof with trimming cutters 2 blades of which are directed toward one of the rolls 6. These edge portions of the plastic sheet 3 are passed between taper rollers 5, so that the edge portions of the sheet 3 are bent at an angle in accordance with an angle of inclination of the taper rollers 5 as the cuts 4 are opened. Both edge portions of the sheet 3 are then passed between rolls 7 provided on the downstream side of the rollers 5 so as to be separated from the sheet 3.
JP8949979A 1979-07-14 1979-07-14 Plastic sheet trimming method Granted JPS5613138A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8949979A JPS5613138A (en) 1979-07-14 1979-07-14 Plastic sheet trimming method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8949979A JPS5613138A (en) 1979-07-14 1979-07-14 Plastic sheet trimming method

Publications (2)

Publication Number Publication Date
JPS5613138A true JPS5613138A (en) 1981-02-09
JPS6137077B2 JPS6137077B2 (en) 1986-08-21

Family

ID=13972448

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8949979A Granted JPS5613138A (en) 1979-07-14 1979-07-14 Plastic sheet trimming method

Country Status (1)

Country Link
JP (1) JPS5613138A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0203648A2 (en) * 1985-05-31 1986-12-03 The Goodyear Tire & Rubber Company Method and apparatus for trimming extruded strip components
US4897030A (en) * 1987-01-08 1990-01-30 Slm Manufacturing Corporation Apparatus for lengthwise folding thermoplastic strip material
JP2002127247A (en) * 2000-10-19 2002-05-08 Toyo Seikan Kaisha Ltd Method and apparatus for laminating resin film

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0203648A2 (en) * 1985-05-31 1986-12-03 The Goodyear Tire & Rubber Company Method and apparatus for trimming extruded strip components
US4897030A (en) * 1987-01-08 1990-01-30 Slm Manufacturing Corporation Apparatus for lengthwise folding thermoplastic strip material
JP2002127247A (en) * 2000-10-19 2002-05-08 Toyo Seikan Kaisha Ltd Method and apparatus for laminating resin film
JP4580535B2 (en) * 2000-10-19 2010-11-17 東洋製罐株式会社 Method and apparatus for laminating resin coating

Also Published As

Publication number Publication date
JPS6137077B2 (en) 1986-08-21

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