FI95110B - Förfarande och anordning för framställning av en strängsprutad sträckt, samlös slang - Google Patents

Förfarande och anordning för framställning av en strängsprutad sträckt, samlös slang Download PDF

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Publication number
FI95110B
FI95110B FI884038A FI884038A FI95110B FI 95110 B FI95110 B FI 95110B FI 884038 A FI884038 A FI 884038A FI 884038 A FI884038 A FI 884038A FI 95110 B FI95110 B FI 95110B
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Finland
Prior art keywords
tube
hose
pressure
calibration
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FI884038A
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English (en)
Finnish (fi)
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FI884038A (sv
FI95110C (sv
FI884038A0 (sv
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Hans Strutzel
Peter Wink
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Hoechst Ag
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Publication of FI884038A publication Critical patent/FI884038A/sv
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Publication of FI95110C publication Critical patent/FI95110C/sv

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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
    • B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
    • B29C55/26—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes biaxial
    • 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
    • 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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/903—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
    • 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
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
    • 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
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • 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
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/904—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using dry calibration, i.e. no quenching tank, e.g. with water spray for cooling or lubrication
    • 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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • 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
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/916—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means using vacuum
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/90—Direct application of fluid pressure differential to shape, reshape, i.e. distort, or sustain an article or preform and heat-setting, i.e. crystallizing of stretched or molecularly oriented portion thereof
    • Y10S264/902—Production of continuous length

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Claims (16)

1. Förfarande för framställning av en strängpres-sad, sträckt, sömlös slang (2) av delkristallina polyme- 5 rer, som kalibreras utifrän som en kontinuerlig operation 1 ett arbetssteg, varvid ett slangämne (3) styrs frän strängsprutmaskinens rlngdys (5) genom en kalibreringsan-ordnlng (7) och en vakuumzon (16) och formas till ett rör (24) som avkyls nedanom vakuumzonen, och varvid pä rörets 10 utslda 1 vakuumzonen räder ett undertryck pel som är mlndre än det atmosfärlska trycket patB, kännetecknat av att slangämnet (3) fuktas 1 den Övre utloppsändan av kalibreringsanordnlngens (7) Inloppsdel (9) utifrän med vatten, att 1 vakuumzonen (16) inuti röret räder ett tryck 15 ptl som motsvarar det atmosfärlska trycket petB, att tryck-separatlonen utförs dä sträcknlngen inleds, sä att efter tryckseparatlonsstället (20) rlktas pä rörets Inslda ett tryck p12 som är större än det atmosfärlska trycket och att röret (24) upphettas tili sträcknlngstemperaturen T3T och 20 dras tili en slang (2) med en större sträckningshastlghet v2 1 förhällande tili slangämnets (3) dragningshastighet vi·
2. Förfarande enllgt patentkrav 1, känne tecknat av att tryckseparationen utförs pä ett 25 ställe, där Ingen plastlsk deformation av röret (24) längre äger rum.
3. Förfarande enllgt patentkrav 1, känne tecknat av att trycket pi2 ställs in pä ett tryck som är 0,4 - 2,0 bar större än det atmosfärlska trycket. 30
4. Förfarande enllgt patentkrav 1, känne tecknat av att sträckningshastigheten v2 installs sä att för sträckningen erhälls en av materialet beroende ytfaktor som är 2 - 24, företrädesvis 4-12.
5. Förfarande enllgt patentkrav 1, k ä n n e - 35 tecknat av att undertrycket pel 1 vakuumzonen (16) väljs sä att det är 50 - 300 millibar lägre än det atmos-färiska trycket. 11 17 95110 «
6. Förfarande enligt patentkrav 1, k ä n n e -tecknat av att slangens (2) yttre diameter är 12 -170 cm.
7. Anordning för framställning av en strängpres-5 sad, sträckt, sömlös slang av delkristallina polymerer, som kontinuerligt kalibreras pä utsidan i ett arbetssteg i enlighet med förfarandet enligt patentkraven 1-6 och som uppvisar en ringdys (5), en kalibreringsanordning (7), en vakuumbehällare (16), ett sondrör (12), som är beläget 10 inuti slangämnet (3) och löper frän ringdysen (5) via ka-libreringsanordningen (7) och vakuumbehällaren (16) över ett tryckseparationsställe, och ett tätningselement (20) beläget pä sondrörets (12) yttre yta i närheten av dess pä avständ frän dysen belägna ända och anliggande mot rörets 15 (24) inre yta som ett tryckseparationsställe pä insidan av slangämnet (3) som formats till röret (24), k ä n n e -tecknad av att tätningselementet (20) uppvisar ät-minstone en tätningsläpp (28, 38) och tätningselementet har skruvats pä sondröret (12), att efter en första band-20 transportör (23) anordnats en första upphettningskammare (25) för att upphetta röret tili sträckningstemperaturen TST., en andra bandtransportör (26), en andra upphettningskammare (27) för värmefixering av röret (24) och en tredje bandtransportör (28), och att slangen (29) som vikts av 25 den tredje bandtransportören kan styras tili en upprull-ningsrulle via en styrrulle (29).
8. Anordning enligt patentkrav 7, k ä n n e -tecknad av att sondröret (12) är lagrat i en sond-gejd (31) pä ringdysens (5) insida och ändan belägen pä 30 avständ frän dysen uppvisar yttergängor (18), pä vilka tätningselementet (20) omfattande en tätningsstomme (21), i vilken placerats med mellanringar (32) separerade i för-hällande tili varandra koaxiella tätningsskivor (22), har skruvats och att tätningsskivorna (22) fungerar som tät-35 ningsläppar pä insidan av röret (24). 95110 18
9. Anordning enligt patentkrav 7, k ä n n e -tecknad av att kalibrerlngsanordningen (7) omfattar en perforerad kalibreringshylsa (8) och en inloppsdel (9) med en konisk inloppstratt (10) och att inloppsdelen (9) 1 5 den ända som ansluter till kalibreringshylsan (8) uppvlsar en ringspalt (11), genom vilken en del av kylvattnet strömmar som smörjvatten till utrynunet mellan slangämnet (3) och kalibreringshylsan (8).
10. Anordning enligt patentkrav 9, k ä n n e -10 tecknad av att inloppsdelen uppvlsar ett ringfor- migt hälrum (13) med ett inlopps- och utloppsrör (14, 15) för kylvatten, och att ringspalten (11) är ansluten till detta hälrum (13).
11. Anordning enligt patentkraven 9 och 10, 15 kännetecknad av att den reglerbara ringspal- tens (11) spalthöjd är 0,05 - 0,3 mm och att den perfore-rade kalibreringshylsan (8) är anordnad i vakuumbehällaren (16) och att i kalibreringshylsan räder ett undertryck pal pä utsidan.
12. Anordning enligt patentkrav 11, k ä n n e - tecknad av att tätningselementet (20) är anordnat i sondröret (12) inom ett visst omräde frän en utloppsskiva (19) i vakuumbehällaren (16) närä den första bandtranspor-tören (23).
13. Anordning enligt patentkrav 7, känne tecknad av att sondröret (12) är anordnat vertikalt och löper utanför vakuumbehällaren (16) genom en kylare (33) med dubbla väggar och med ett inlopps- och utloppsrör (34, 35) för kylvatten till och frän utrymmet mellan kyla-30 rens väggar.
14. Anordning enligt patentkrav 7, kännetecknad av att sondröret (12) är anordnat horison-talt och efter vakuumbehällarens (16) utloppsskiva (19) har för slangämnet (3) anordnats en vertikalt flyttbar 35 skär- och slitsanordning (36), med vilken slangämnet kan klippas upp för att skruva tätningselementet (20) ρά sondröret (12). 4 19 95110
15. Anordning enllgt patentkrav 7, k ä n n e -tecknad av att pä sondrörets (12) ända som ligger pä avständ frän dysen skruvats ett tätningselement (20) pä yttergängorna (18) och att pä tätnlngselementet anordnats 5 en separat tätningsläpp (38), som anligger tätande mot lnsldan av röret (24).
16. Anordning enllgt patentkrav 13, k ä n n e -tecknad av att efter kylarens (33) utloppsskiva (40) anordnats en horisontalt flyttbar skär- och slitsan- 10 ordnlng (36), med vllken slangämnet (3) kan skäras upp för att skruva tätnlngselementet (20) pä sondröret (12). m
FI884038A 1987-09-03 1988-09-01 Förfarande och anordning för framställning av en strängsprutad sträckt, samlös slang FI95110C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873729449 DE3729449A1 (de) 1987-09-03 1987-09-03 Verfahren und vorrichtung zur herstellung eines stranggepressten, verstreckten, nahtlosen schlauches
DE3729449 1987-09-03

Publications (4)

Publication Number Publication Date
FI884038A0 FI884038A0 (sv) 1988-09-01
FI884038A FI884038A (sv) 1989-03-04
FI95110B true FI95110B (sv) 1995-09-15
FI95110C FI95110C (sv) 1995-12-27

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FI884038A FI95110C (sv) 1987-09-03 1988-09-01 Förfarande och anordning för framställning av en strängsprutad sträckt, samlös slang

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US (1) US4886634A (sv)
EP (1) EP0305874B1 (sv)
JP (1) JP2574414B2 (sv)
BR (1) BR8804541A (sv)
CA (1) CA1303807C (sv)
DE (2) DE3729449A1 (sv)
FI (1) FI95110C (sv)
ZA (1) ZA886404B (sv)

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BR8804541A (pt) 1989-04-11
EP0305874A3 (en) 1990-03-28
DE3880403D1 (de) 1993-05-27
JP2574414B2 (ja) 1997-01-22
CA1303807C (en) 1992-06-23
ZA886404B (en) 1989-04-26
FI884038A (sv) 1989-03-04
EP0305874B1 (de) 1993-04-21
US4886634A (en) 1989-12-12
DE3729449A1 (de) 1989-03-16
FI95110C (sv) 1995-12-27
JPS6471728A (en) 1989-03-16
EP0305874A2 (de) 1989-03-08
FI884038A0 (sv) 1988-09-01

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