IT974843B - Procedimento ed apparecchio per stirare materiali plastici in foglio - Google Patents

Procedimento ed apparecchio per stirare materiali plastici in foglio

Info

Publication number
IT974843B
IT974843B IT54211/72A IT5421172A IT974843B IT 974843 B IT974843 B IT 974843B IT 54211/72 A IT54211/72 A IT 54211/72A IT 5421172 A IT5421172 A IT 5421172A IT 974843 B IT974843 B IT 974843B
Authority
IT
Italy
Prior art keywords
ironing
procedure
sheet
plastic materials
plastic
Prior art date
Application number
IT54211/72A
Other languages
English (en)
Original Assignee
Foster Grant Co Inc
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 Foster Grant Co Inc filed Critical Foster Grant Co Inc
Application granted granted Critical
Publication of IT974843B publication Critical patent/IT974843B/it

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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
IT54211/72A 1971-11-23 1972-11-22 Procedimento ed apparecchio per stirare materiali plastici in foglio IT974843B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20133771A 1971-11-23 1971-11-23

Publications (1)

Publication Number Publication Date
IT974843B true IT974843B (it) 1974-07-10

Family

ID=22745431

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54211/72A IT974843B (it) 1971-11-23 1972-11-22 Procedimento ed apparecchio per stirare materiali plastici in foglio

Country Status (5)

Country Link
US (1) US3744106A (it)
JP (1) JPS5240342B2 (it)
CA (1) CA997515A (it)
DE (1) DE2257089C3 (it)
IT (1) IT974843B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055612A (en) * 1972-02-15 1977-10-25 Peter Zimmer Treating of travelling webs
US3920372A (en) * 1974-11-14 1975-11-18 Katagi Goseikagaku Kk Apparatus for manufacturing untwisted synthetic resin string
JPS52134676A (en) * 1976-05-06 1977-11-11 Komuroseikichi Shiyouten Kk Method for elongation of tape yarn of synthetic resin
US4408974A (en) * 1982-01-20 1983-10-11 Comerio Ercole, S.P.A. Mobile film stretching unit
DE3564089D1 (en) * 1984-11-06 1988-09-08 Toray Industries Method for holding a moving film
JPH11105128A (ja) * 1997-09-30 1999-04-20 Asahi Optical Co Ltd 多孔質フィルムの製造方法
CA2249504A1 (en) * 1997-10-09 1999-04-09 Asahi Kogaku Kogyo Kabushiki Kaisha Producing apparatus of film with through-holes
DE102004004084A1 (de) * 2004-01-27 2005-08-18 Treofan Germany Gmbh & Co.Kg Verfahren und Vorrichtung zum Längsstrecken einer Folienbahn
KR20060120714A (ko) * 2005-01-20 2006-11-27 닛토덴코 가부시키가이샤 편광판의 제조 방법, 편광판, 광학 필름 및 이들을 이용한화상 표시 장치
ES2531442T3 (es) 2011-09-02 2015-03-16 Rkw Se Procedimiento para el estirado de una lámina continua
EP2776221B1 (en) * 2011-11-10 2016-07-13 Packsize LLC Converting machine
US10850469B2 (en) 2016-06-16 2020-12-01 Packsize Llc Box forming machine
US11247427B2 (en) 2018-04-05 2022-02-15 Avercon BVBA Packaging machine infeed, separation, and creasing mechanisms
US11305903B2 (en) 2018-04-05 2022-04-19 Avercon BVBA Box template folding process and mechanisms
DE112019003075T5 (de) 2018-06-21 2021-03-25 Packsize Llc Verpackungsvorrichtung und systeme

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA866674A (en) * 1971-03-23 Huff Karl Thermoplastics
US2177661A (en) * 1938-08-13 1939-10-31 Eastman Kodak Co Method and apparatus for improving thermoplastic sheeting
US2547763A (en) * 1947-11-12 1951-04-03 Polaroid Corp Method of stretching continuous materials such as sheeting and the like
US2854697A (en) * 1954-12-14 1958-10-07 Polaroid Corp Method of stretching plastic sheet material
DE1221786B (de) * 1961-12-07 1966-07-28 Brueckner Trocknerbau Inh Gern Vorrichtung zum Recken einer Folienbahn aus thermoplastischem Kunststoff in Laengsrichtung
US3208100A (en) * 1962-10-15 1965-09-28 Bevis Ind Inc Longitudinal web stretching machine
US3243844A (en) * 1964-04-28 1966-04-05 Marshall And Williams Corp Longitudinal web stretching machine

Also Published As

Publication number Publication date
DE2257089C3 (de) 1979-01-11
CA997515A (en) 1976-09-28
DE2257089B2 (de) 1978-05-03
DE2257089A1 (de) 1973-05-24
US3744106A (en) 1973-07-10
JPS4875675A (it) 1973-10-12
JPS5240342B2 (it) 1977-10-12

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