KR880005390A - 이중벽 구조의 튜브조립체 및 그 계속적 제조방법 - Google Patents

이중벽 구조의 튜브조립체 및 그 계속적 제조방법 Download PDF

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KR880005390A
KR880005390A KR870011426A KR870011426A KR880005390A KR 880005390 A KR880005390 A KR 880005390A KR 870011426 A KR870011426 A KR 870011426A KR 870011426 A KR870011426 A KR 870011426A KR 880005390 A KR880005390 A KR 880005390A
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tube
outer tube
tube assembly
centers
tubes
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KR870011426A
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KR930004168B1 (ko
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마사유끼 호소노
겐지 와라가이
히로죠 우에죠
미찌루 도꾸모토
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오오무라 스스무
에스엠씨 가부시기 가이샤
시미즈 호부
우베고오산 가부시기 가이샤
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/091—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
    • 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
    • B29C48/11—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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow 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
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
    • 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
    • B29C48/90—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
    • B29C48/911—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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2024/00—Articles with hollow walls
    • 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
    • B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744—Longitudinal or transverse tubular cavity or cell

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

내용 없음

Description

이중벽 구조의 튜브조립체 및 그 계속적 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명에 따른 이중벽의 횡단면도.
제3도는 불규칙 단면형태의 외부튜브가 압출성형기에 의해 내부튜브 주위로 압출되는 것을 보여주는 제4도의 A-A′선 횡단면도.
제4도는 압출성형기 및 사이징 다이기의 단면도.
제5도는 본발명에 따른 이중벽 구조의 튜브조립체가 연결되는 커플링의 단면도.

Claims (11)

  1. 열가소성 수지로 만들어진 긴 재부튜브와 외부튜브와 세로 방향으로 일정한 높이를 갖고 외부튜브 전체에 걸쳐서 형성된 다수의 리브로 구성된 불규칙 단면모양의 열가소성 수지로된 압출된 긴 외부 튜브로 구성된 이중벽 구조에 튜브조립체에 있어서 상기 리브는 외부 튜브의 중심에서 돌출하고, 상기리브는 상기 내부및 외부튜브의 전체에 걸쳐 상기내부 튜브의 외주면에 그 말단부가 융합되는 것을 특징으로 하는 이중벽구조의 튜브 조립체.
  2. 제1항에 있어서,리브의 수는 2-6개로 특히 2-4개가 적당하며 상기 리브는 상기 외부튜브의 내부벽면으로 부터 축방향으로 돌출됨을 특징으로 하는 이중벽 구조의 튜브 조립체.
  3. 제1항에 있어서, 상기 외부및 내부튜브의 중심은 서로 동일하며, 상기 외부튜브의 외부직경은 3-20㎜ 특히 약4-15㎜가 적당함을 특징으로하는 이중벽 구조의 튜브 조립체.
  4. 제1항에 있어서, 상기 외부및 내부튜브의 중심은 서로 동일하며, 상기 외부튜브의 벽두께는 0.1∼2㎜, 특히0.2∼1.5㎜가 적당함을 특징으로하는 이중벽 구조의 튜브 조립체.
  5. 제1항에 있어서, 상기 외부및 내부튜브의 중심은 서로 동일하며, 상기 내부튜브의 외부직경은 상기 외부튜브의 외부직경의 0.2∼0.9배, 특히 약 0.4∼0.8배가 적당함을 특징으로하는 이중벽 구조의 튜브 조립체.
  6. 제1항에 있어서, 상기 외부및 내부튜브의 중심은 서로 동일하며, 상기 내부튜브의 벽두께는 0.05∼2㎜, 특히 약 0.1∼1.5㎜가 적당함을 특징으로하는 이중벽 구조의 튜브 조립체.
  7. 제1항에 있어서, 상기 내부및 외부튜브의 중심은 서로 동일하며, 상기 리브의 상기 말단부는 상기 외부튜브의 내부멱면으로부터 0.4∼8㎜, 특히 약0.5∼6㎜떨어짐을 특징으로하는 이중벽 구조의 튜브 조립체.
  8. 제2항에 있어서, 상기 외부 및 내부튜브의 중심은 서로 동일하고, 상기 리브는 약 2㎜미만의 폭, 특히 바람직하게는 약 0.1∼1.5㎜의 폭을 갖는 것을 특징으로 하는 이중벽 구조의 튜브 조립체.
  9. 이중벽 구조의 튜브 조립체를 계속 제조하는 방법에 있어서 외부튜브 전체에 걸쳐서 형성되고 외부튜브의 내부벽면에서 외부튜브 중심쪽으로 돌출되게 일정한 높이를 갖는 다수의 리브를 포함하고 불규칙단면 모양으로 되며 열가소성 수지로 제조된 긴 외부 튜브를 압출할 수 있도록 크로스헤드 다이를 포함한 압출성형기로 미리 압출된 열가소성 수지로 만든 긴 내부튜브를 게속하여 이송하고, 상기 크로스헤드 다이에서부터 상기 내부튜브 주위의 긴 외부튜브로 계속하여 열가소성 수지를 압출한후 상기 내부튜브및 상기 압출된 외부튜브를 계속하여 사이징 다이기로 이송하며 상기 외부튜브의 리브말단부가 상기 내부튜브의 외주면으로 융합될때까지 상기 사이징 다이기내에서 상기 내부튜브의 외주면쪽으로 연화상태의 외부튜브를 수축시키고, 상기 외부튜브를 냉각하고 고체화시키는 과정을 포함하는 이중벽 구조의 튜브조립체 제조방법.
  10. 제9항의 방법에 있어서, 압출된 열가소성 수지의 외주면은 상기 크로스헤드 다이에서 상기 내부튜브주의의 긴 외부튜브로 압출된 상기 열가소성 수지가 상기 사이징 다이기로 이송될때까지 냉각 매체에 의해 냉각되는 이중벽 구조의 튜브조립체 제조방법.
  11. 제10항에 있어서, 상기 냉각매체를 주위의 공기로 이용하여 냉각시킬 수 있도록된 것을 특징으로 하는 이중벽 구조의 튜브 조립체 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870011426A 1986-10-15 1987-10-14 이중벽구조의 튜브조립체 및 그 계속적 제조방법 KR930004168B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP245071 1986-10-15
JP61245071A JPS6398413A (ja) 1986-10-15 1986-10-15 二重管およびその連続製造法

Publications (2)

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KR880005390A true KR880005390A (ko) 1988-06-29
KR930004168B1 KR930004168B1 (ko) 1993-05-21

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US (1) US4906496A (ko)
EP (1) EP0264102B1 (ko)
JP (1) JPS6398413A (ko)
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DE (1) DE3773830D1 (ko)

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Also Published As

Publication number Publication date
EP0264102A1 (en) 1988-04-20
JPS6398413A (ja) 1988-04-28
DE3773830D1 (de) 1991-11-21
US4906496A (en) 1990-03-06
EP0264102B1 (en) 1991-10-16
KR930004168B1 (ko) 1993-05-21

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