CA1115016A - Transversely stretching plastics material - Google Patents

Transversely stretching plastics material

Info

Publication number
CA1115016A
CA1115016A CA312,966A CA312966A CA1115016A CA 1115016 A CA1115016 A CA 1115016A CA 312966 A CA312966 A CA 312966A CA 1115016 A CA1115016 A CA 1115016A
Authority
CA
Canada
Prior art keywords
web
pressure elements
transversely
bank
pressure
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
CA312,966A
Other languages
English (en)
French (fr)
Inventor
Frank B. Mercer
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
Application granted granted Critical
Publication of CA1115016A publication Critical patent/CA1115016A/en
Expired 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)
CA312,966A 1977-10-17 1978-10-10 Transversely stretching plastics material Expired CA1115016A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB43159/77A GB1594983A (en) 1977-10-17 1977-10-17 Transversely stretching plastics material webs
GB43159/77 1977-10-17
GB5305/78 1978-02-09
GB530578 1978-02-09

Publications (1)

Publication Number Publication Date
CA1115016A true CA1115016A (en) 1981-12-29

Family

ID=26239788

Family Applications (1)

Application Number Title Priority Date Filing Date
CA312,966A Expired CA1115016A (en) 1977-10-17 1978-10-10 Transversely stretching plastics material

Country Status (18)

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

Family Cites Families (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
GB1546765A (en) * 1975-05-23 1979-05-31 Mercer Ltd F B Stretching webs of sheet material

Also Published As

Publication number Publication date
LU80373A1 (fr) 1979-03-19
BR7806734A (pt) 1979-05-08
NL7810407A (nl) 1979-04-19
CH636801A5 (en) 1983-06-30
DK460978A (da) 1979-04-18
PL210292A1 (pl) 1979-07-16
FI783143A (fi) 1979-04-18
IT1099726B (it) 1985-09-28
JPS5465776A (en) 1979-05-26
SE7810757L (sv) 1979-04-18
NO783494L (no) 1979-04-18
IT7828749A0 (it) 1978-10-13
ES474262A1 (es) 1979-11-01
SE429420B (sv) 1983-09-05
NZ188585A (en) 1982-03-09
GR66790B (it) 1981-04-29
FR2405805B1 (it) 1982-05-21
AU4048378A (en) 1980-04-17
DE2844275A1 (de) 1979-04-19
FR2405805A1 (fr) 1979-05-11
PL113777B1 (en) 1980-12-31
AU527720B2 (en) 1983-03-17

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Legal Events

Date Code Title Description
MKEX Expiry