AU6336786A - Plastic sheet product with score lines, apparatus and method - Google Patents

Plastic sheet product with score lines, apparatus and method

Info

Publication number
AU6336786A
AU6336786A AU63367/86A AU6336786A AU6336786A AU 6336786 A AU6336786 A AU 6336786A AU 63367/86 A AU63367/86 A AU 63367/86A AU 6336786 A AU6336786 A AU 6336786A AU 6336786 A AU6336786 A AU 6336786A
Authority
AU
Australia
Prior art keywords
plastic sheet
score lines
sheet product
score
lines
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.)
Abandoned
Application number
AU63367/86A
Inventor
Edward E. Batson
John H. Kurz
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.)
WMF Container Corp
Original Assignee
WMF Container Corp
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 WMF Container Corp filed Critical WMF Container Corp
Publication of AU6336786A publication Critical patent/AU6336786A/en
Abandoned 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/007—Forming single grooves or ribs, e.g. tear lines, weak spots
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4012—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0053—Moulding articles characterised by the shape of the surface, e.g. ribs, high polish
    • B29C37/0057—Moulding single grooves or ribs, e.g. tear lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
AU63367/86A 1985-09-09 1986-08-28 Plastic sheet product with score lines, apparatus and method Abandoned AU6336786A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US77422585A 1985-09-09 1985-09-09
US774225 1985-09-09

Publications (1)

Publication Number Publication Date
AU6336786A true AU6336786A (en) 1988-01-12

Family

ID=25100604

Family Applications (1)

Application Number Title Priority Date Filing Date
AU63367/86A Abandoned AU6336786A (en) 1985-09-09 1986-08-28 Plastic sheet product with score lines, apparatus and method

Country Status (3)

Country Link
AU (1) AU6336786A (en)
CA (1) CA1288387C (en)
WO (1) WO1987007868A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4818461A (en) * 1985-09-09 1989-04-04 Wmf Container Corporation Method for scoring rigid plastic sheet material

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2351475A (en) * 1941-10-28 1944-06-13 Armstrong Cork Co Method and apparatus for shaping and shearing sheet materials
US2416451A (en) * 1944-02-11 1947-02-25 Internat Plastic Harmonica Cor Method of and mold for making integral reed plates and reeds
US3195423A (en) * 1960-10-21 1965-07-20 Maryland Cup Corp Die for forming container lids
US3502761A (en) * 1967-09-25 1970-03-24 Panayotis C Dimitracopoulos Method of forming magnetic record discs
FR2317078A1 (en) * 1975-07-11 1977-02-04 Rotring Werke Riepe Kg METHOD FOR MANUFACTURING TEMPLATES FOR LETTERS AND SIGNS
US4056210A (en) * 1976-04-21 1977-11-01 Maryland Cup Corporation Splash proof drink through beverage container lid
DE2656939A1 (en) * 1976-12-16 1978-06-29 Bobertag Und Haeusler Gmbh PROCESS FOR CHIP-FREE PRODUCTION OF FULL BODIES FROM SOFT, RESILIENT FOAM USING CUTTING TOOLS, DEVICE FOR CARRYING OUT THE PROCESS AND USING THE PROCESS PRODUCED ROTATIONAL SYMMETRIC GEOMETRY
US4090660A (en) * 1976-12-16 1978-05-23 Schram Robert A Disposable drinking cup lid
US4285442A (en) * 1978-05-03 1981-08-25 Wedzik Theresa M Drinking cup lid
CA1167414A (en) * 1983-05-16 1984-05-15 Kenneth Mills Disposable lid for drinking cups
US4555378A (en) * 1984-04-13 1985-11-26 Dick Martin Design Ltd. Method of forming thermoplastic perforated sheet
US4588539A (en) * 1985-02-04 1986-05-13 James River Corporation Of Virginia Process and press with a controlled pressure system

Also Published As

Publication number Publication date
CA1288387C (en) 1991-09-03
WO1987007868A1 (en) 1987-12-30

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