CA995433A - Method of making cupped articles from polyolefin plastic sheet - Google Patents

Method of making cupped articles from polyolefin plastic sheet

Info

Publication number
CA995433A
CA995433A CA129,160A CA129160A CA995433A CA 995433 A CA995433 A CA 995433A CA 129160 A CA129160 A CA 129160A CA 995433 A CA995433 A CA 995433A
Authority
CA
Canada
Prior art keywords
plastic sheet
polyolefin plastic
making
cupped articles
articles
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
CA129,160A
Other versions
CA129160S (en
Inventor
Roger P. Michaud
Paul M. Coffman
Warren H. Wieting
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Application granted granted Critical
Publication of CA995433A publication Critical patent/CA995433A/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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
CA129,160A 1970-12-04 1971-12-02 Method of making cupped articles from polyolefin plastic sheet Expired CA995433A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9508670A 1970-12-04 1970-12-04
US9512370A 1970-12-04 1970-12-04

Publications (1)

Publication Number Publication Date
CA995433A true CA995433A (en) 1976-08-24

Family

ID=26789709

Family Applications (1)

Application Number Title Priority Date Filing Date
CA129,160A Expired CA995433A (en) 1970-12-04 1971-12-02 Method of making cupped articles from polyolefin plastic sheet

Country Status (8)

Country Link
AU (1) AU474494B2 (en)
BE (1) BE775844A (en)
CA (1) CA995433A (en)
DE (1) DE2159886A1 (en)
FR (1) FR2116487B1 (en)
GB (1) GB1367338A (en)
IT (1) IT943162B (en)
SE (1) SE379670B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52144061A (en) * 1976-05-27 1977-12-01 Sumitomo Bakelite Co Method and device for thermally forming plastic sheet
GB1593311A (en) 1977-03-30 1981-07-15 Shell Int Research Making cupped articles from mixed polyolefin plastics sheet
SE423878B (en) * 1977-07-25 1982-06-14 Bellaplast Gmbh PROCEDURE FOR MANUFACTURING THIN-WALL ARTICLES OF CRYSTALLIC THERMOPLASTIC MATERIAL
US4404162A (en) * 1979-07-16 1983-09-13 Sumitomo Bakelite Company Ltd. Process for producing a thin-wall deep drawn container of thermoplastic resin
FR2512385B1 (en) * 1981-09-04 1986-06-06 Cosden Technology PROCESS AND APPARATUS FOR THE PRODUCTION OF BIORENT HOLLOW ARTICLES
US4388356A (en) 1981-11-16 1983-06-14 The Goodyear Tire & Rubber Company Heat setting a thermoformed PET article utilizing a male plug as a constraint
US4635807A (en) * 1983-03-17 1987-01-13 Schering Corporation Stopper for sterile fluid containers
US4554125A (en) * 1983-03-17 1985-11-19 Schering Corporation Method of making a stopper for a sterile fluid container
DE3446650A1 (en) * 1984-12-20 1986-06-26 Multivac Sepp Haggenmüller KG, 8941 Wolfertschwenden PACKING MACHINE
US4883633A (en) * 1987-12-24 1989-11-28 Rampart Packaging Inc. Process and apparatus for production of articles with selectively thinned portions using a multi-radius forming plug
US4883190A (en) * 1988-08-15 1989-11-28 Rampart Packaging, Inc. Thermoplastic bellows lid for thermoplastic containers
WO1990002645A1 (en) * 1988-09-16 1990-03-22 Garwood Limited Improved packaging
US20160176112A1 (en) * 2014-10-28 2016-06-23 Full Spectrum Laser, LLC Release liner/layer, system and method of using the same with additive manufacturing

Also Published As

Publication number Publication date
SE379670B (en) 1975-10-20
GB1367338A (en) 1974-09-18
AU3642971A (en) 1973-06-07
BE775844A (en) 1972-05-26
IT943162B (en) 1973-04-02
FR2116487B1 (en) 1974-08-19
FR2116487A1 (en) 1972-07-13
DE2159886A1 (en) 1972-06-15
AU474494B2 (en) 1976-07-22

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