KR900014117A - 다중경도 발포 물품의 제조방법 - Google Patents

다중경도 발포 물품의 제조방법 Download PDF

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Publication number
KR900014117A
KR900014117A KR1019900003612A KR900003612A KR900014117A KR 900014117 A KR900014117 A KR 900014117A KR 1019900003612 A KR1019900003612 A KR 1019900003612A KR 900003612 A KR900003612 A KR 900003612A KR 900014117 A KR900014117 A KR 900014117A
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KR
South Korea
Prior art keywords
foam
outlets
mold
inlets
mould
Prior art date
Application number
KR1019900003612A
Other languages
English (en)
Other versions
KR0141686B1 (ko
Inventor
존 브라운 마이클
아우구스트 리디 베르너
Original Assignee
카이트 바르비그 덴비그
비피 케미칼스 리미티드
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.)
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Application filed by 카이트 바르비그 덴비그, 비피 케미칼스 리미티드 filed Critical 카이트 바르비그 덴비그
Publication of KR900014117A publication Critical patent/KR900014117A/ko
Application granted granted Critical
Publication of KR0141686B1 publication Critical patent/KR0141686B1/ko

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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
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • B29C44/0476—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other by pouring more than one composition into an open mould
    • 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
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
    • B29C31/10—Feeding of the material to be moulded, e.g. into a mould cavity of several materials
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/24—Feeding the material into the mould
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Robotics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Laminated Bodies (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)

Abstract

내용 없음

Description

다중경도 발포 물품의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실시예 1에서 수득된 쿠션의 단면도이고,
제2도는 본 발명의 실시예 2에서 수득된 쿠션의 단면도이고,
제3도는 본 발명의 실시예 3에서 수득된 쿠션의 단면도이고,
제4도는 본 발명의 비교 시험예에서 수득된 쿠션의 단면도이다.

Claims (9)

  1. 주형의 바닥면이 평평하거나 또는 수평면에 대해 40°까지 경사지도를 배치된 주형중에서 하기 단계를 특징으로 하는 다중경도(multihardness)발포 물품의 제조방법, (a) 적어도 두 개의 발포 제형물을 분배하는 적어도 두 개의 주입구를 포함하며, 주입구가 라인 선상에 배치되고, 인접한 주입구 사이의 거리는 주형의 폭보다 적어서 주입구가 평평한 바닥면의 한 모서리나 부근에서 또는 경사진 바닥면의 경사 첨정이나 부근에서 주입구에 의해 그어지는 라인을 따라 주형을 가로질러 이동하도록 되어 있는 분재장치의 배치, (b) 주입구에 의해 경계짓는 라인을 따라 주형을 가로지르는 주입구의 효과적인 상대적인 이동.
    (c) 주입구가 주형 내부위에 직접 있는 동안에 각각의 주입구로부터 발포 제형물의 분배.
  2. 제1항에 있어서, 인접한 주입구 사이의 거리는 주형폭의 20%임을 특징으로 하는 방법.
  3. 제1항에 있어서, 인접한 주입구 사이의 거리가 5 내지 50㎝임을 특징으로 하는 방법.
  4. 제1항에 있어서, 인접한 주입구 사이의 거리가 10 내지 30㎝임을 특징으로 하는 방법.
  5. 제1 내지 4항중 어느 한 항에 있어서, 각각의 주입구는 다른 발포 제형물을 분배함을 특징으로 하는 방법.
  6. 제1 내지 4항중 어느 한 항에 있어서, 인접한 주입구들을 다른 발포 제형물을 분배함을 특징으로 하는 방법.
  7. 제1 내지 6항중 어느 한 항에 있어서, 발포 제형물은 폴리우레탄 발포 제형물임을 특징으로 하는 방법.
  8. 제7항에 있어서, 폴리우레탄 발포 제형물은 유연성 발포체를 제조하는 것임을 특징으로 하는 방법.
  9. 제1 내지 8항중 어느 한 항에 있어서, 층상 발포시팅 구역 및 밀봉된 사이드롤로 구성된 자동차 시트를 단일 연속 주입 조작으로 제조함을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900003612A 1989-03-18 1990-03-17 다중경도 발포 물품의 제조방법 KR0141686B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898906297A GB8906297D0 (en) 1989-03-18 1989-03-18 Process for preparing multihardness foam articles
GB8906297.0 1989-03-18

Publications (2)

Publication Number Publication Date
KR900014117A true KR900014117A (ko) 1990-10-22
KR0141686B1 KR0141686B1 (ko) 1998-07-01

Family

ID=10653624

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900003612A KR0141686B1 (ko) 1989-03-18 1990-03-17 다중경도 발포 물품의 제조방법

Country Status (12)

Country Link
EP (1) EP0393827B1 (ko)
JP (1) JPH0761654B2 (ko)
KR (1) KR0141686B1 (ko)
AT (1) ATE89783T1 (ko)
AU (1) AU624226B2 (ko)
BR (1) BR9001259A (ko)
CA (1) CA2012410C (ko)
DE (1) DE69001711T2 (ko)
ES (1) ES2040556T3 (ko)
GB (1) GB8906297D0 (ko)
NZ (1) NZ232919A (ko)
ZA (1) ZA901890B (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200484045Y1 (ko) 2015-04-29 2017-07-25 한경희 초간편 솔라캡 벨트 전동보행기

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073839A (en) * 1976-04-19 1978-02-14 The Goodyear Tire & Rubber Company Method of zone pouring foam products
JPS62105612A (ja) * 1985-11-05 1987-05-16 Bridgestone Corp 積層構造を有する発泡体製品の製造方法
FR2598967B1 (fr) * 1986-05-23 1988-11-25 Roth Sa Freres Procede de fabrication de matelassures moulees en mousse de polyurethane comportant plusieurs zones de souplesses differentes et matelassures ainsi realisees
DE3638205A1 (de) * 1986-11-08 1988-05-11 Bayer Ag Verfahren zum herstellen von formteilen, insbesondere polstern, aus mindestens zwei schaumstoffe, insbesondere polyurethan-schaumstoffe, unterschiedlicher elastizitaet bzw. haerte bildenden, fliessfaehigen reaktionsgemischen und anwendung dieses verfahrens fuer die herstellung von fahrzeugsitzpolstern mit seitlichen wangen
GB8627815D0 (en) * 1986-11-20 1986-12-17 Bp Chem Int Ltd Preparing polyurethane foams

Also Published As

Publication number Publication date
JPH0761654B2 (ja) 1995-07-05
CA2012410A1 (en) 1990-09-18
KR0141686B1 (ko) 1998-07-01
EP0393827B1 (en) 1993-05-26
ATE89783T1 (de) 1993-06-15
DE69001711T2 (de) 1993-10-07
NZ232919A (en) 1991-12-23
BR9001259A (pt) 1991-03-26
CA2012410C (en) 1994-11-15
ES2040556T3 (es) 1993-10-16
DE69001711D1 (de) 1993-07-01
GB8906297D0 (en) 1989-05-04
ZA901890B (en) 1991-11-27
JPH02274510A (ja) 1990-11-08
EP0393827A1 (en) 1990-10-24
AU624226B2 (en) 1992-06-04
AU5140990A (en) 1990-09-20

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