GB2088772A - Manufacture of helical turbulence-inducing members - Google Patents

Manufacture of helical turbulence-inducing members Download PDF

Info

Publication number
GB2088772A
GB2088772A GB8134760A GB8134760A GB2088772A GB 2088772 A GB2088772 A GB 2088772A GB 8134760 A GB8134760 A GB 8134760A GB 8134760 A GB8134760 A GB 8134760A GB 2088772 A GB2088772 A GB 2088772A
Authority
GB
United Kingdom
Prior art keywords
resin
extruded
nozzle
water
slit
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.)
Withdrawn
Application number
GB8134760A
Other languages
English (en)
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.)
MIHAMA Manufacturing
Piolax Inc
MIHAMA Manufacturing CO Ltd
Original Assignee
MIHAMA Manufacturing
MIHAMA Manufacturing CO Ltd
Kato Hatsujo 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
Priority claimed from JP55164820A external-priority patent/JPS57123034A/ja
Priority claimed from JP56005584A external-priority patent/JPS57123035A/ja
Application filed by MIHAMA Manufacturing, MIHAMA Manufacturing CO Ltd, Kato Hatsujo Inc filed Critical MIHAMA Manufacturing
Publication of GB2088772A publication Critical patent/GB2088772A/en
Withdrawn legal-status Critical Current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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/14—Twisting
    • 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
    • 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
    • B29C48/03—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
    • B29C48/03—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
    • B29C48/131—Curved 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
    • 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
    • B29C48/301—Extrusion nozzles or dies having reciprocating, oscillating or rotating parts
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
    • 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
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/18—Heat-exchangers or parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB8134760A 1980-11-21 1981-11-18 Manufacture of helical turbulence-inducing members Withdrawn GB2088772A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP55164820A JPS57123034A (en) 1980-11-21 1980-11-21 Manufacture of synthetic resin turburent flow piece and apparatus therefor
JP56005584A JPS57123035A (en) 1981-01-16 1981-01-16 Apparatus for producing synthetic resin turbulent flow piece

Publications (1)

Publication Number Publication Date
GB2088772A true GB2088772A (en) 1982-06-16

Family

ID=26339548

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8134760A Withdrawn GB2088772A (en) 1980-11-21 1981-11-18 Manufacture of helical turbulence-inducing members

Country Status (4)

Country Link
DE (1) DE3145887A1 (enrdf_load_stackoverflow)
FR (1) FR2494626A1 (enrdf_load_stackoverflow)
GB (1) GB2088772A (enrdf_load_stackoverflow)
IT (1) IT1142059B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2607748A1 (fr) * 1986-12-05 1988-06-10 Sogex Sa Procede de preparation d'un element longiligne en forme d'helice, en resine synthetique pour sa fixation dans un corps tubulaire, par liberation de tensions internes induites
GB2280256A (en) * 1993-07-23 1995-01-25 Graeme Donald Marshall Fluid channelling member for use in heat transfer tubes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19835543C2 (de) * 1998-08-06 2000-11-02 Freudenberg Carl Fa Verfahren zur Zwischenspeicherung eines im Strangpreßverfahren hergestellten Stranges
DE102008033837B4 (de) * 2008-04-21 2015-04-02 Joma-Polytec Gmbh Solarabsorber mit Absorberrohr und Wendelstreifen, sowie dazugehöriger Solarkollektor
DE102020211603A1 (de) * 2020-09-16 2022-03-17 Fränkische Industrial Pipes GmbH & Co. KG Vorrichtung zum temperieren eines bauteils und herstellungsverfahren der vorrichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1016008B (de) * 1953-01-17 1957-09-19 Felten & Guilleaume Carlswerk Schneckenpresse
NL299224A (enrdf_load_stackoverflow) * 1962-10-30 1900-01-01
DE1729374A1 (de) * 1967-01-25 1971-04-08 Ver Deutsche Metallwerke Ag Verfahren und Vorrichtung zur Herstellung von gewendelten Strangpressprofilen aus Kunststoff
BE805612A (en) * 1973-10-03 1974-02-01 Sumitomo Chemical Co Thermoplastic resin sheath - by extruding tube with internal helical rib, and engaging central part of rib on support eg electric wire
FR2302847A1 (fr) * 1975-03-07 1976-10-01 Bain & Cie Ets Procede et dispositif de fabrication en continu de tuteurs creux en matiere plastique
FR2404511A1 (fr) * 1977-09-29 1979-04-27 Sogex Perfectionnements aux machines realisant l'extrusion continue de profiles en matiere plastique
GB2016354A (en) * 1978-02-10 1979-09-26 Pracy H R Improvements in or relating to screw conveyors and components therefor
FR2425933A1 (fr) * 1978-05-17 1979-12-14 Nortene Sa Procede et dispositif d'extrusion d'elements helicoidaux en matiere plastique, et elements obtenus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2607748A1 (fr) * 1986-12-05 1988-06-10 Sogex Sa Procede de preparation d'un element longiligne en forme d'helice, en resine synthetique pour sa fixation dans un corps tubulaire, par liberation de tensions internes induites
GB2280256A (en) * 1993-07-23 1995-01-25 Graeme Donald Marshall Fluid channelling member for use in heat transfer tubes

Also Published As

Publication number Publication date
FR2494626B1 (enrdf_load_stackoverflow) 1985-05-17
IT1142059B (it) 1986-10-08
IT8125217A0 (it) 1981-11-20
DE3145887C2 (enrdf_load_stackoverflow) 1989-12-21
DE3145887A1 (de) 1982-06-24
FR2494626A1 (fr) 1982-05-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)