JPS6038115A - 圧縮延展される非円形プラスチックシートの準備をする方法 - Google Patents

圧縮延展される非円形プラスチックシートの準備をする方法

Info

Publication number
JPS6038115A
JPS6038115A JP59148720A JP14872084A JPS6038115A JP S6038115 A JPS6038115 A JP S6038115A JP 59148720 A JP59148720 A JP 59148720A JP 14872084 A JP14872084 A JP 14872084A JP S6038115 A JPS6038115 A JP S6038115A
Authority
JP
Japan
Prior art keywords
blank
depth
plastic sheet
thickness
edge
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
JP59148720A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0239965B2 (enExample
Inventor
ロバート ブライアン ラウ
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.)
PPG Industries Inc
Original Assignee
PPG Industries Inc
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 PPG Industries Inc filed Critical PPG Industries Inc
Publication of JPS6038115A publication Critical patent/JPS6038115A/ja
Publication of JPH0239965B2 publication Critical patent/JPH0239965B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0011Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping plates or sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/18Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31FMECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F7/00Processes not otherwise provided for
    • B31F7/006Processes not otherwise provided for edges, e.g. sheet edges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2033/00Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/04Polymers of esters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777Edge feature

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
JP59148720A 1983-07-20 1984-07-19 圧縮延展される非円形プラスチックシートの準備をする方法 Granted JPS6038115A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US515404 1983-07-20
US06/515,404 US4477508A (en) 1983-07-20 1983-07-20 Edge treatment to prepare non-circular plastic sheets for compression stretching

Publications (2)

Publication Number Publication Date
JPS6038115A true JPS6038115A (ja) 1985-02-27
JPH0239965B2 JPH0239965B2 (enExample) 1990-09-07

Family

ID=24051223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59148720A Granted JPS6038115A (ja) 1983-07-20 1984-07-19 圧縮延展される非円形プラスチックシートの準備をする方法

Country Status (5)

Country Link
US (1) US4477508A (enExample)
JP (1) JPS6038115A (enExample)
FR (1) FR2549413B1 (enExample)
GB (1) GB2143771B (enExample)
IT (1) IT1179022B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0491571U (enExample) * 1990-12-26 1992-08-10

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668053A (en) * 1968-09-09 1972-06-06 Fortin Plastics Inc Article for preventing edge defect in compression stretched acrylic sheet

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE546026A (enExample) * 1955-04-12
US3632841A (en) * 1970-05-13 1972-01-04 Terry D Fortin Method of stretching acrylic plastics and product
US4361527A (en) * 1981-10-21 1982-11-30 Ppg Industries, Inc. Method of forming stretched acrylic sheets

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668053A (en) * 1968-09-09 1972-06-06 Fortin Plastics Inc Article for preventing edge defect in compression stretched acrylic sheet

Also Published As

Publication number Publication date
GB8418399D0 (en) 1984-08-22
IT8467728A1 (it) 1986-01-19
IT8467728A0 (it) 1984-07-19
JPH0239965B2 (enExample) 1990-09-07
GB2143771A (en) 1985-02-20
US4477508A (en) 1984-10-16
GB2143771B (en) 1986-06-18
FR2549413A1 (enExample) 1985-01-25
FR2549413B1 (enExample) 1988-01-08
IT1179022B (it) 1987-09-16

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