JPH0549459B2 - - Google Patents

Info

Publication number
JPH0549459B2
JPH0549459B2 JP59114331A JP11433184A JPH0549459B2 JP H0549459 B2 JPH0549459 B2 JP H0549459B2 JP 59114331 A JP59114331 A JP 59114331A JP 11433184 A JP11433184 A JP 11433184A JP H0549459 B2 JPH0549459 B2 JP H0549459B2
Authority
JP
Japan
Prior art keywords
density polyethylene
heat
linear low
weight
less
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 - Fee Related
Application number
JP59114331A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60257232A (ja
Inventor
Yoshio Matsumoto
Toshio Fujii
Koji Sumino
Kazuhiro Kato
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Industries 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 Mitsubishi Chemical Industries Ltd filed Critical Mitsubishi Chemical Industries Ltd
Priority to JP59114331A priority Critical patent/JPS60257232A/ja
Publication of JPS60257232A publication Critical patent/JPS60257232A/ja
Publication of JPH0549459B2 publication Critical patent/JPH0549459B2/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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Bag Frames (AREA)
JP59114331A 1984-06-04 1984-06-04 包装袋の製造方法 Granted JPS60257232A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59114331A JPS60257232A (ja) 1984-06-04 1984-06-04 包装袋の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59114331A JPS60257232A (ja) 1984-06-04 1984-06-04 包装袋の製造方法

Publications (2)

Publication Number Publication Date
JPS60257232A JPS60257232A (ja) 1985-12-19
JPH0549459B2 true JPH0549459B2 (en, 2012) 1993-07-26

Family

ID=14635134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59114331A Granted JPS60257232A (ja) 1984-06-04 1984-06-04 包装袋の製造方法

Country Status (1)

Country Link
JP (1) JPS60257232A (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0299750B1 (en) * 1987-07-13 1994-09-28 Mitsubishi Kasei Corporation Linear polyethylene film and process for producing the same
US5110870A (en) * 1989-01-06 1992-05-05 Mitsubishi Kasei Corporation Extensible film or sheet and process for producing the same
US5904964A (en) * 1989-12-18 1999-05-18 E. I. Du Pont De Nemours And Company Process for manufacturing heat-shrinkable polyethylene film

Also Published As

Publication number Publication date
JPS60257232A (ja) 1985-12-19

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees