CA1104783A - Method and apparatus for processing synthetic plastics film - Google Patents

Method and apparatus for processing synthetic plastics film

Info

Publication number
CA1104783A
CA1104783A CA282,215A CA282215A CA1104783A CA 1104783 A CA1104783 A CA 1104783A CA 282215 A CA282215 A CA 282215A CA 1104783 A CA1104783 A CA 1104783A
Authority
CA
Canada
Prior art keywords
web
weakness
series
slot
synthetic plastics
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
CA282,215A
Other languages
English (en)
French (fr)
Inventor
Thomas G. Hutt
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1104783A publication Critical patent/CA1104783A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/10—Means for treating work or cutting member to facilitate cutting by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/001—Flexible containers made from webs by folding webs longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/001—Flexible containers made from webs by folding webs longitudinally
    • B31B2155/0014—Flexible containers made from webs by folding webs longitudinally having their openings facing transversally to the direction of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/94—Delivering singly or in succession
    • B31B70/946—Delivering singly or in succession the bags being interconnected
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Making Paper Articles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Medical Treatment And Welfare Office Work (AREA)
  • Wrappers (AREA)
CA282,215A 1976-07-16 1977-07-07 Method and apparatus for processing synthetic plastics film Expired CA1104783A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA76/4252 1976-07-16
ZA00764252A ZA764252B (en) 1976-07-16 1976-07-16 Method and apparatus for processing synthetic plastics film

Publications (1)

Publication Number Publication Date
CA1104783A true CA1104783A (en) 1981-07-14

Family

ID=25570523

Family Applications (1)

Application Number Title Priority Date Filing Date
CA282,215A Expired CA1104783A (en) 1976-07-16 1977-07-07 Method and apparatus for processing synthetic plastics film

Country Status (10)

Country Link
JP (1) JPS5311974A (pt)
AU (1) AU512009B2 (pt)
CA (1) CA1104783A (pt)
DE (1) DE2732137C2 (pt)
FR (1) FR2358252A1 (pt)
GB (2) GB1578568A (pt)
GR (1) GR63747B (pt)
NZ (1) NZ184632A (pt)
PT (1) PT66818B (pt)
ZA (1) ZA764252B (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU548255B2 (en) * 1981-05-19 1985-12-05 Aci Australia Limited Flexible package
US4396449A (en) * 1981-10-13 1983-08-02 The Dow Chemical Company Cutting and sealing process for thermoplastic materials
JPS60242025A (ja) * 1984-05-09 1985-12-02 Mitsubishi Heavy Ind Ltd 射出制御方法
CA1245236A (en) 1984-09-26 1988-11-22 Rene F. Debin Bag stacking method and apparatus
US4767300A (en) * 1987-11-02 1988-08-30 Eastman Kodak Company Apparatus for precision volumetric control of a moldable material in an injection molding process
US4913638A (en) * 1988-06-20 1990-04-03 Eastman Kodak Company Apparatus for operating an injection molding process utilizing an acceptable part and process window
US5063008A (en) * 1990-09-21 1991-11-05 Eastman Kodak Company Method for precision volumetric control of a moldable material in an injection molding process
US5238380A (en) * 1990-09-21 1993-08-24 Eastman Kodak Company Apparatus for precision volumetric control of a moldable material
CN110202641B (zh) * 2019-06-23 2021-01-26 贵州西牛王印务有限公司 一种农优土特产礼品包装盒啤裱试验方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2525139A (en) * 1946-03-04 1950-10-10 Atlanta Paper Company Pouch making machine
US3033257A (en) * 1957-08-21 1962-05-08 H G Weber And Company Inc Bag forming tube and method of forming and accumulating the same
US3045891A (en) * 1959-09-11 1962-07-24 A Aba Cellophane Products Corp Continuous envelopes
GB887292A (en) * 1959-12-11 1962-01-17 Metal Box Co Ltd Improvements in or relating to sleeves made from synthetic thermoplastic film material
BE622541A (pt) * 1961-09-20 1900-01-01
DE1182800B (de) * 1961-10-04 1964-12-03 Lehmacher & Sohn M Vorrichtung zum Schneiden und/oder Schweissen von thermoplastischen Schlauch- bzw. zusammengelegten Folien
US3194124A (en) * 1961-11-17 1965-07-13 Flex O Glass Inc Method of forming tear-off bag supply
US3227854A (en) * 1963-02-08 1966-01-04 Reynolds Metals Co Apparatus for perforating thermoplastic film
JPS4211513Y1 (pt) * 1965-02-22 1967-06-27
FR2145055A5 (en) * 1971-07-07 1973-02-16 Membrino Hercules Thermoplastic sacks or bags prodn

Also Published As

Publication number Publication date
AU512009B2 (en) 1980-09-18
FR2358252B1 (pt) 1983-10-14
ZA764252B (en) 1978-01-25
GB1578567A (en) 1980-11-05
DE2732137C2 (de) 1983-09-08
FR2358252A1 (fr) 1978-02-10
GB1578568A (en) 1980-11-05
PT66818B (en) 1979-06-07
DE2732137A1 (de) 1978-01-26
JPS5311974A (en) 1978-02-02
AU2697177A (en) 1979-01-18
GR63747B (en) 1979-12-05
PT66818A (en) 1977-08-01
NZ184632A (en) 1980-11-14

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Legal Events

Date Code Title Description
MKEX Expiry