JPS60183132A - 包装袋の製造方法 - Google Patents

包装袋の製造方法

Info

Publication number
JPS60183132A
JPS60183132A JP59039426A JP3942684A JPS60183132A JP S60183132 A JPS60183132 A JP S60183132A JP 59039426 A JP59039426 A JP 59039426A JP 3942684 A JP3942684 A JP 3942684A JP S60183132 A JPS60183132 A JP S60183132A
Authority
JP
Japan
Prior art keywords
density polyethylene
heat
polyethylene
low density
branched low
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
JP59039426A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0517021B2 (enrdf_load_stackoverflow
Inventor
Yoshio Matsumoto
良雄 松本
Toshio Fujii
敏雄 藤井
Koji Sumino
住野　晃司
Kazuhiro Kato
和広 加藤
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 JP59039426A priority Critical patent/JPS60183132A/ja
Publication of JPS60183132A publication Critical patent/JPS60183132A/ja
Publication of JPH0517021B2 publication Critical patent/JPH0517021B2/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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • 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
    • 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)
  • Bag Frames (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)
JP59039426A 1984-03-01 1984-03-01 包装袋の製造方法 Granted JPS60183132A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59039426A JPS60183132A (ja) 1984-03-01 1984-03-01 包装袋の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59039426A JPS60183132A (ja) 1984-03-01 1984-03-01 包装袋の製造方法

Publications (2)

Publication Number Publication Date
JPS60183132A true JPS60183132A (ja) 1985-09-18
JPH0517021B2 JPH0517021B2 (enrdf_load_stackoverflow) 1993-03-08

Family

ID=12552662

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59039426A Granted JPS60183132A (ja) 1984-03-01 1984-03-01 包装袋の製造方法

Country Status (1)

Country Link
JP (1) JPS60183132A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091228A (en) * 1987-07-13 1992-02-25 Mitsubishi Kasei Corporation Linear polyethylene film and process for producing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091228A (en) * 1987-07-13 1992-02-25 Mitsubishi Kasei Corporation Linear polyethylene film and process for producing the same

Also Published As

Publication number Publication date
JPH0517021B2 (enrdf_load_stackoverflow) 1993-03-08

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term