KR840006461A - 발포성 수지의 축출장치 및 그 방법 - Google Patents

발포성 수지의 축출장치 및 그 방법 Download PDF

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KR840006461A
KR840006461A KR1019830004644A KR830004644A KR840006461A KR 840006461 A KR840006461 A KR 840006461A KR 1019830004644 A KR1019830004644 A KR 1019830004644A KR 830004644 A KR830004644 A KR 830004644A KR 840006461 A KR840006461 A KR 840006461A
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chamber
resin
pressure
extract
expandable resin
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KR910005148B1 (ko
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오사무 고바야시
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원본미기재
가네가후찌 가가꾸 고교 가부시끼 가이샤
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    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
    • B29C44/3407—Vacuum extrusion using underwater barometric leg
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • 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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1472—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit zone
    • 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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1474—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at a calibration zone
    • 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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1476—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at a conveyor
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92019—Pressure
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92428—Calibration, after-treatment, or cooling zone
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92438—Conveying, transporting or storage of 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92514—Pressure
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92923—Calibration, after-treatment or cooling zone
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92933—Conveying, transporting or storage of articles
    • 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
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/06—Vacuum

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Supports For Pipes And Cables (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

내용 없음

Description

발포성 수지의 축출장치 및 그 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 바람직한 일예에 대한 개략적인 측단면도.
제2도는 본 발명의 다른 일예에 대한 개략적인 측단면도.

Claims (19)

  1. 발포성 수지를 축출기로부터 감압부로 계속 축출하는 단계와 축출물을 확장 주형시키는 단계 및 냉각 경화 단계로 구성된 발포성 수지 축출방법 으로서, 특정위치에 도달했을 때 전 단계에서 나온 축출물을 정해진 길이로 절단하여 분리시키며, 분리된 조각을 정상압력으로 회복시켜 대기에 방출시키는 것을 특징으로 하는 발포성 수지 축출방법.
  2. 제1항에 있어서, 수지가 규격 다이내에서 필요한 크기로 발포 및 형성됨으로서 팽창주형단계를 거친다음 테이크업 유닛에 의해 인장되는 것을 특징으로 하는 발포성 수지 축출방법.
  3. 제1항에 있어서, 냉각 경화 단계는 발포성 수지를 길이 방향으로 인장시키는 동안 냉각수에 접촉시키는 것을 특징으로 하는 발포성 수지 축출방법.
  4. 제1항에 있어서, 분리 단계는 제1구역 및 기압과 및폐 및 개발되는 제2구역에 정해진 길이의 수지 조각을 삽입시키는 것을 특징으로 하는 발포성 수지 축출 방법.
  5. 제4항에 있어서, 제1구역 및 기압사이에 제2구역의 압력을 순환시키는 단계가 포함되는 것을 특징으로 하는 수지 축출 방법.
  6. 축출물이 축출되어 연속적인 발포성 축출물을 형성하는 갑압실로 구성된 발포성 수지축출장치로서, 갑압실내에서 축출물을 절단시키는 장치와 절단된 축출물을 감압하의 제2실로 통과시키는 장치와 제1실 내부의 감압에 영향을 끼치지 않고 절단된 축울물을 제2실로 방출시키는 장치를 포함하고 있는 것을 특징으로 하는 발포성 수지 축출장치.
  7. 제6항에 있어서, 감압과 대기압 사이의 제2실로 압력을 순환시켜 주는 장치가 포함되어 있는 것을 특징으로 하는 발포성 수지 축출장치.
  8. 제7항에 있어서, 절단된 축출물을 제2실로 보내주는 장치가 순환의 감압부에서 작동하는 것을 특징으로 하는 발포성 수지 축출장치.
  9. 제7항에 있어서, 절단된 축출물을 제2내보실 주로는 장치가 순환의 대기압부에서 작동하는 것을 특징으로 하는 발포성 수지 축출장치.
  10. 제7항에 있어서, 발포성 축출물을 인발시키는 테이크업 장치와 절단된 축출물을 제2실로 운반시키는 콘베이어 장치가 포함되어 있는 것을 특징으로 하는 발포성 수지 축출장치.
  11. 제10항에 있어서, 제1실의 콘베이어 장치의 운반속도는 테이크업 장치의 인발 속도보다 큰 것을 특징으로 하는 발포성 수지 축출장치.
  12. 제7항에 있어서, 제2실의 감압은 제2실 외부의 진공서지 탱크와 제2실을 유통시킴으로서 일어나는 것을 특징으로 하는 발포성 수지 축출장치.
  13. 제12항에 있어서, 서지 탱크와 체적은 제2실과 같으며, 서지 탱크의 압력은 제1실압력의 1/2인 것을 특징으로 하는 발포성 수지 축출장치.
  14. 제6항에 있어서, 제1실은 여러개 분리된 부분으로 구성되며, 각 분리 부분은 한 부분의 동작부를 포함하고 있는 것을 특징으로 하는 발포성 수지 축출장치.
  15. 제14항에 있어서, 축출물을 절단하는 장치를 포함하고 있는 부분의 중심부는 확대되어 있는 것을 특징으로 하는 발포성 수지 축출장치.
  16. 제15항에 있어서, 냉각수로서 축출물을 냉각시키는 장치가 포함되는 것을 특징으로 하는 발포성 수지 축출장치.
  17. 제16항에 있어서, 축출물을 냉각시키는 장치는 축출물 절단 장치의 앞뒤에 설치되는 것을 특징으로 하는 발포성 수지 축출장치.
  18. 제17항에 있어서, 확대된 부분의 바닥부가 먼지 또는 입자를 포함하고 있는 냉각수의 배수조를 정의하고 있는 것을 특징으로 하는 발포성 수지축출장치.
  19. 제18항에 있어서, 배수조는 방출기에 연결되어 냉각수를 방출시키며 먼지 또는 입자를 분리시켜주는 것을 특징으로 하는 발포성 수지 축출장치.
    ※참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019830004644A 1982-10-02 1983-09-30 발포성 수지의 축출장치 및 그 방법 KR910005148B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP173787 1981-10-30
JP57-173787 1982-10-02
JP57173787A JPS5962122A (ja) 1982-10-02 1982-10-02 合成樹脂発泡体の製造方法及び装置

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KR840006461A true KR840006461A (ko) 1984-11-30
KR910005148B1 KR910005148B1 (ko) 1991-07-23

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US (1) US4487731A (ko)
EP (1) EP0108487B1 (ko)
JP (1) JPS5962122A (ko)
KR (1) KR910005148B1 (ko)
AT (1) ATE33364T1 (ko)
CA (1) CA1213705A (ko)
DE (1) DE3376203D1 (ko)
DK (1) DK160685C (ko)
EG (1) EG16422A (ko)
ES (1) ES526163A0 (ko)
FI (1) FI77808C (ko)
IL (1) IL69879A (ko)
NO (1) NO166070C (ko)

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US5124097A (en) * 1991-02-08 1992-06-23 The Dow Chemical Company Method of providing closed-cell polyolefin foam having reduced blowing agent content to the end user
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JPH0254215B2 (ko) 1990-11-21
US4487731A (en) 1984-12-11
FI77808C (fi) 1989-05-10
FI833522A0 (fi) 1983-09-29
EG16422A (en) 1987-04-30
FI77808B (fi) 1989-01-31
NO166070B (no) 1991-02-18
IL69879A (en) 1987-10-30
EP0108487B1 (en) 1988-04-06
FI833522A (fi) 1984-04-03
NO166070C (no) 1991-05-29
DK160685C (da) 1991-09-16
NO833558L (no) 1984-04-03
DK452483D0 (da) 1983-09-30
IL69879A0 (en) 1983-12-30
EP0108487A2 (en) 1984-05-16
DK452483A (da) 1984-04-03
ATE33364T1 (de) 1988-04-15
CA1213705A (en) 1986-11-12
DE3376203D1 (en) 1988-05-11
DK160685B (da) 1991-04-08
EP0108487A3 (en) 1985-11-13
ES8406942A1 (es) 1984-08-16
JPS5962122A (ja) 1984-04-09
ES526163A0 (es) 1984-08-16
KR910005148B1 (ko) 1991-07-23

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