GB1244627A - Method for preventing edge defects in compression stretched acrylic sheets and blank for use therein - Google Patents

Method for preventing edge defects in compression stretched acrylic sheets and blank for use therein

Info

Publication number
GB1244627A
GB1244627A GB52172/68A GB5217268A GB1244627A GB 1244627 A GB1244627 A GB 1244627A GB 52172/68 A GB52172/68 A GB 52172/68A GB 5217268 A GB5217268 A GB 5217268A GB 1244627 A GB1244627 A GB 1244627A
Authority
GB
United Kingdom
Prior art keywords
blank
edge defects
preventing edge
acrylic sheets
stretched acrylic
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
GB52172/68A
Other languages
English (en)
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.)
Fortin Plastics Inc
Original Assignee
Fortin Plastics 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 Fortin Plastics Inc filed Critical Fortin Plastics Inc
Publication of GB1244627A publication Critical patent/GB1244627A/en
Expired 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0011—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping plates or sheets
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777—Edge feature

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
GB52172/68A 1968-09-09 1968-11-04 Method for preventing edge defects in compression stretched acrylic sheets and blank for use therein Expired GB1244627A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75839568A 1968-09-09 1968-09-09

Publications (1)

Publication Number Publication Date
GB1244627A true GB1244627A (en) 1971-09-02

Family

ID=25051580

Family Applications (1)

Application Number Title Priority Date Filing Date
GB52172/68A Expired GB1244627A (en) 1968-09-09 1968-11-04 Method for preventing edge defects in compression stretched acrylic sheets and blank for use therein

Country Status (3)

Country Link
US (1) US3562383A (enExample)
FR (1) FR1594237A (enExample)
GB (1) GB1244627A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4454203A (en) * 1980-11-24 1984-06-12 Ppg Industries, Inc. Pressing plastic with extensible coating
US4340557A (en) * 1980-12-16 1982-07-20 Ball Corporation Method of making unfestooned plastic containers from polygonal blanks
US4419412A (en) * 1980-12-16 1983-12-06 Ball Corporation Plastic blank structure
US4377611A (en) * 1980-12-29 1983-03-22 Swedlow, Inc. Plastic transparencies having improved resistance to cracking
US4360483A (en) * 1981-08-10 1982-11-23 Ppg Industries, Inc. Apparatus for and method of pressing plastic sheets
US4361527A (en) * 1981-10-21 1982-11-30 Ppg Industries, Inc. Method of forming stretched acrylic sheets
US4470945A (en) * 1982-03-25 1984-09-11 United Technologies Corporation Method and apparatus for applying an electron beam drilling backer to a metal sheet
DE3850820T2 (de) * 1987-07-23 1995-03-09 Dsm Nv Verfahren zur Herstellung von teilweise mit Versteifungen ausgerüsteten Polymerfolien.
US4921646A (en) * 1988-08-31 1990-05-01 Shell Oil Company Forming laminated billets from individual billets
JP7463037B2 (ja) * 2020-08-26 2024-04-08 株式会社ディスコ 検査用基板及び検査方法

Also Published As

Publication number Publication date
US3562383A (en) 1971-02-09
FR1594237A (enExample) 1970-06-01

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