FR2405805A1 - Bandes de matiere plastique s'etirant transversalement - Google Patents

Bandes de matiere plastique s'etirant transversalement

Info

Publication number
FR2405805A1
FR2405805A1 FR7829277A FR7829277A FR2405805A1 FR 2405805 A1 FR2405805 A1 FR 2405805A1 FR 7829277 A FR7829277 A FR 7829277A FR 7829277 A FR7829277 A FR 7829277A FR 2405805 A1 FR2405805 A1 FR 2405805A1
Authority
FR
France
Prior art keywords
stretching
discs
web
stationary
pressure elements
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
FR7829277A
Other languages
English (en)
Other versions
FR2405805B1 (fr
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.)
MERCER PATENTS Ltd
Original Assignee
MERCER PATENTS 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
Priority claimed from GB43159/77A external-priority patent/GB1594983A/en
Application filed by MERCER PATENTS Ltd filed Critical MERCER PATENTS Ltd
Publication of FR2405805A1 publication Critical patent/FR2405805A1/fr
Application granted granted Critical
Publication of FR2405805B1 publication Critical patent/FR2405805B1/fr
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
    • 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
    • B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers
    • 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
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • 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
    • B29C48/355—Conveyors for extruded 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
    • 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
    • B29C55/08—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique transverse to the direction of feed
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2028/00—Nets or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

L'invention a trait à des bandes de matière plastique s'étirant transversalement. Elle a pour objet un appareil d'étirage transversal en continu possédant des séries d'éléments de pression s'interpénétrant 10, Il, dont une série est stationnaire avec des surfaces de glissement s'étendant longitudinalement. Application : notamment à la fabrication de filets d'emballage.
FR7829277A 1977-10-17 1978-10-13 Bandes de matiere plastique s'etirant transversalement Granted FR2405805A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB43159/77A GB1594983A (en) 1977-10-17 1977-10-17 Transversely stretching plastics material webs
GB530578 1978-02-09

Publications (2)

Publication Number Publication Date
FR2405805A1 true FR2405805A1 (fr) 1979-05-11
FR2405805B1 FR2405805B1 (fr) 1982-05-21

Family

ID=26239788

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7829277A Granted FR2405805A1 (fr) 1977-10-17 1978-10-13 Bandes de matiere plastique s'etirant transversalement

Country Status (18)

Country Link
JP (1) JPS5465776A (fr)
AU (1) AU527720B2 (fr)
BR (1) BR7806734A (fr)
CA (1) CA1115016A (fr)
CH (1) CH636801A5 (fr)
DE (1) DE2844275A1 (fr)
DK (1) DK460978A (fr)
ES (1) ES474262A1 (fr)
FI (1) FI783143A (fr)
FR (1) FR2405805A1 (fr)
GR (1) GR66790B (fr)
IT (1) IT1099726B (fr)
LU (1) LU80373A1 (fr)
NL (1) NL7810407A (fr)
NO (1) NO783494L (fr)
NZ (1) NZ188585A (fr)
PL (1) PL113777B1 (fr)
SE (1) SE429420B (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB905252A (en) * 1960-04-04 1962-09-05 Plastic Textile Access Ltd Improvements in and relating to the stretching of plastic net for molecular orientation of the mesh strands
FR2311648A1 (fr) * 1975-05-23 1976-12-17 Mercer Ltd F B Appareil pour l'etirage de bandes de matiere en feuill

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB905252A (en) * 1960-04-04 1962-09-05 Plastic Textile Access Ltd Improvements in and relating to the stretching of plastic net for molecular orientation of the mesh strands
FR2311648A1 (fr) * 1975-05-23 1976-12-17 Mercer Ltd F B Appareil pour l'etirage de bandes de matiere en feuill
US4087226A (en) * 1975-05-23 1978-05-02 F. B. Mercer Limited Stretching webs of sheet material

Also Published As

Publication number Publication date
SE7810757L (sv) 1979-04-18
NL7810407A (nl) 1979-04-19
NZ188585A (en) 1982-03-09
PL113777B1 (en) 1980-12-31
LU80373A1 (fr) 1979-03-19
FI783143A (fi) 1979-04-18
CA1115016A (fr) 1981-12-29
SE429420B (sv) 1983-09-05
DK460978A (da) 1979-04-18
ES474262A1 (es) 1979-11-01
CH636801A5 (en) 1983-06-30
DE2844275A1 (de) 1979-04-19
JPS5465776A (en) 1979-05-26
FR2405805B1 (fr) 1982-05-21
AU4048378A (en) 1980-04-17
AU527720B2 (en) 1983-03-17
GR66790B (fr) 1981-04-29
PL210292A1 (pl) 1979-07-16
IT7828749A0 (it) 1978-10-13
BR7806734A (pt) 1979-05-08
IT1099726B (it) 1985-09-28
NO783494L (no) 1979-04-18

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Legal Events

Date Code Title Description
ST Notification of lapse