IT1127017B - Apparecchio a stampo di estrusione per produrre nastri di chiusura in plastica - Google Patents

Apparecchio a stampo di estrusione per produrre nastri di chiusura in plastica

Info

Publication number
IT1127017B
IT1127017B IT48276/80A IT4827680A IT1127017B IT 1127017 B IT1127017 B IT 1127017B IT 48276/80 A IT48276/80 A IT 48276/80A IT 4827680 A IT4827680 A IT 4827680A IT 1127017 B IT1127017 B IT 1127017B
Authority
IT
Italy
Prior art keywords
extrusion mold
produce plastic
mold equipment
plastic closing
closing tapes
Prior art date
Application number
IT48276/80A
Other languages
English (en)
Italian (it)
Other versions
IT8048276A0 (it
Inventor
Ewald Albert Kamp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of IT8048276A0 publication Critical patent/IT8048276A0/it
Application granted granted Critical
Publication of IT1127017B publication Critical patent/IT1127017B/it

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
    • B29D5/00—Producing elements of slide fasteners; Combined making and attaching of elements of slide fasteners
    • B29D5/10—Producing elements of slide fasteners; Combined making and attaching of elements of slide fasteners the interlocking members being formed by continuous profiled strip
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0013—Extrusion moulding in several steps, i.e. components merging outside the die
    • B29C48/0014—Extrusion moulding in several steps, i.e. components merging outside the die producing flat articles having components brought in contact outside the extrusion die
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Making Paper Articles (AREA)
  • Bag Frames (AREA)
IT48276/80A 1979-03-30 1980-03-27 Apparecchio a stampo di estrusione per produrre nastri di chiusura in plastica IT1127017B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2566579A 1979-03-30 1979-03-30

Publications (2)

Publication Number Publication Date
IT8048276A0 IT8048276A0 (it) 1980-03-27
IT1127017B true IT1127017B (it) 1986-05-21

Family

ID=21827383

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48276/80A IT1127017B (it) 1979-03-30 1980-03-27 Apparecchio a stampo di estrusione per produrre nastri di chiusura in plastica

Country Status (15)

Country Link
AU (1) AU540476B2 (fr)
BE (1) BE882517A (fr)
CA (1) CA1140716A (fr)
CH (1) CH636047A5 (fr)
DE (1) DE3011371C2 (fr)
DK (1) DK157905C (fr)
FI (1) FI72918C (fr)
FR (1) FR2452371A1 (fr)
GB (1) GB2046660B (fr)
IE (1) IE49435B1 (fr)
IT (1) IT1127017B (fr)
NL (1) NL188839C (fr)
NO (1) NO154160C (fr)
NZ (1) NZ193297A (fr)
SE (1) SE435153B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3106023A1 (de) * 1981-02-19 1982-10-14 Felix 4446 Hörstel Heescher "verfahren zur herstellung von als bauelemente dienenden stegplatten"
EP0063189B1 (fr) * 1981-04-16 1985-06-19 The Dow Chemical Company Procédé et dispositif pour produire un profilé de fermeture intégrale pour un récipient en matière thermoplastique
CA1212808A (fr) * 1982-03-24 1986-10-21 Gerald H. Scheibner Methode et dispositif de production de recipients a obturateurs refermables
US4515647A (en) * 1983-02-08 1985-05-07 The Dow Chemical Company Method and apparatus for forming an integral closure for a thermoplastic container
DE3633932C1 (en) * 1986-10-04 1988-05-11 Caprano & Brunnhofer Process for producing a plastic profiled bar with connecting strips for a composite profile
US4741789A (en) * 1986-10-20 1988-05-03 The Dow Chemical Company Apparatus and process for forming and applying a profile and adjacent rib-type zipper to a traveling film web
US4822539A (en) * 1987-09-14 1989-04-18 Minigrip, Inc. Method of and apparatus for extruding bag making material having fastener profiles and alignment ribs, with reinforcing and stabilizing beam effect ridge means
DE3831471A1 (de) * 1988-09-16 1990-03-22 Friedhelm Houpt Verfahren zur automatischen herstellung von kunststoff-fenstern
DE9419699U1 (de) * 1994-12-13 1995-02-02 Ortlieb, Hartmut, 90431 Nürnberg Rollverschluß für Packsäcke o.dgl.
GB0211478D0 (en) * 2002-05-18 2002-06-26 Nelson David E Method and apparatus for the extrusion of material
US6877898B2 (en) 2002-09-05 2005-04-12 Illinois Tool Works Inc. Ease of closure through tactile/optical means

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB706323A (en) * 1950-10-13 1954-03-31 Harold Frank Edwin Cirket Improvements in or relating to the extrusion of plastic materials
FR1492413A (fr) * 1965-08-27 1967-08-18 Minigrip Europ As Procédé et dispositif pour la fabrication de récipients munis d'un dispositif de fermeture, notamment de sacs ou sachets, en matière plastique
DE1479151B2 (de) * 1965-08-27 1972-02-17 Etimex Kunststoffwerke Gmbh, 7000 Stuttgart Strangpresskopf zum herstellen einer offenen oder schlauchfoer migen kunststoffbahn mit einseitig angeordneten verschluss rippen
US3579730A (en) * 1965-10-22 1971-05-25 Steven Ausnit Apparatus for making a web having integral interlocking rib and groove portions
US3371696A (en) * 1965-10-22 1968-03-05 Ausnit Steven Reclosable bags with rib and groove elements formed of different materials
FR1568124A (fr) * 1968-02-13 1969-05-23
US3565147A (en) * 1968-11-27 1971-02-23 Steven Ausnit Plastic bag having reinforced closure
BE785716A (fr) * 1971-06-30 1973-01-02 Flexico France Sarl Procede de fabrication et filiere d'extrusion pour un tube en matiere plastique

Also Published As

Publication number Publication date
AU540476B2 (en) 1984-11-22
NO800864L (no) 1980-10-01
DK157905B (da) 1990-03-05
FI800957A (fi) 1980-10-01
IE800631L (en) 1980-09-30
IE49435B1 (en) 1985-10-02
CH636047A5 (fr) 1983-05-13
FI72918B (fi) 1987-04-30
SE435153B (sv) 1984-09-10
NL188839C (nl) 1992-10-16
FR2452371A1 (fr) 1980-10-24
NO154160B (no) 1986-04-21
SE8002384L (sv) 1980-10-01
GB2046660B (en) 1983-05-11
BE882517A (fr) 1980-09-29
DE3011371A1 (de) 1980-10-02
NL188839B (nl) 1992-05-18
NL8001859A (nl) 1980-10-02
FI72918C (fi) 1987-08-10
IT8048276A0 (it) 1980-03-27
NO154160C (no) 1986-07-30
DK136280A (da) 1980-10-01
GB2046660A (en) 1980-11-19
CA1140716A (fr) 1983-02-08
DK157905C (da) 1990-08-13
DE3011371C2 (de) 1985-03-14
NZ193297A (en) 1984-03-16
AU5693980A (en) 1980-10-02
FR2452371B1 (fr) 1984-11-23

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940127