ZA901890B - Process for preparing multihardness foam articles - Google Patents

Process for preparing multihardness foam articles

Info

Publication number
ZA901890B
ZA901890B ZA901890A ZA901890A ZA901890B ZA 901890 B ZA901890 B ZA 901890B ZA 901890 A ZA901890 A ZA 901890A ZA 901890 A ZA901890 A ZA 901890A ZA 901890 B ZA901890 B ZA 901890B
Authority
ZA
South Africa
Prior art keywords
outlets
mould
foam
dispensing
preparing
Prior art date
Application number
ZA901890A
Other languages
English (en)
Inventor
Michael John Brown
John Brown Michael
Werner August Lidy
August Lidy Werner
Original Assignee
Polyol Int Bv
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
Application filed by Polyol Int Bv filed Critical Polyol Int Bv
Publication of ZA901890B publication Critical patent/ZA901890B/xx

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
    • 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
    • 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
    • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Molding Of Porous Articles (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
ZA901890A 1989-03-18 1990-03-12 Process for preparing multihardness foam articles ZA901890B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA901890B true ZA901890B (en) 1991-11-27

Family

ID=10653624

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA901890A ZA901890B (en) 1989-03-18 1990-03-12 Process for preparing multihardness foam articles

Country Status (12)

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

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
KR900014117A (ko) 1990-10-22
AU624226B2 (en) 1992-06-04
CA2012410C (en) 1994-11-15
CA2012410A1 (en) 1990-09-18
GB8906297D0 (en) 1989-05-04
JPH02274510A (ja) 1990-11-08
DE69001711T2 (de) 1993-10-07
ES2040556T3 (es) 1993-10-16
BR9001259A (pt) 1991-03-26
DE69001711D1 (de) 1993-07-01
NZ232919A (en) 1991-12-23
ATE89783T1 (de) 1993-06-15
KR0141686B1 (ko) 1998-07-01
JPH0761654B2 (ja) 1995-07-05
EP0393827B1 (de) 1993-05-26
EP0393827A1 (de) 1990-10-24
AU5140990A (en) 1990-09-20

Similar Documents

Publication Publication Date Title
WO1998043762A3 (en) Method for dispensing of powders
HU912070D0 (en) Process for the production of a filling material from polyurethan foam "in situ" and the pillow as a product of the process
ES2017557A6 (es) Procedimiento para la preparacion de granulos microencapsulados de eritromicina.
HU902495D0 (en) Fan-shape jet nozzle for spreading liquids in relative big drops
ES2151522T3 (es) Retencion de la forma del chocolate.
AU624226B2 (en) Process for preparing multihardness foam articles
GB2152493B (en) Mould arrangement for use in cyclicly operated glassware forming machine
TW376363B (en) Process for manufacturing multilayered foam articles
ES258369U (es) Dispositivo para distribuir un producto alimenticio pastoso sobre un articulo de pasteleria o postre.
CN101001727B (zh) 用于同时形成和装饰陶瓷制品的方法和压机
EP0940235B1 (de) Vorrichtung zum Herstellen von Fliesen mit verschiedenen Färbungen
US3720738A (en) Method for producing compression-molded articles
CA2139609A1 (en) Roller dispenser machine
EP0076554A3 (de) Vorrichtung zum Giessen von Gegenständen aus Beton oder einem anderen Material
ES2158749A1 (es) Maquina para la preparacion de productos alimenticios en lonchas superpuestas.
JPH0217332B2 (de)
IT8984916A0 (it) Dispositivo di regolazione della quantita' di prodotto erogato di valvole distributrici dosatrici in macchine per l'industria alimentare.
JPS5462264A (en) Production of synthetic resin foam
ZM4892A1 (en) Method for adjusting the height level of foam surface in flotation machines
Hasselbach Thermoforming for Health Care Products
Streubel Mould for the continuous casting of thin slabs
ITVR910026A0 (it) Macchina colatrice per l'industria dolciaria in particolare per la formatura di biscotti
MXPA02006354A (es) Metodo y aparato para elaborar articulos ceramicos tipo placa, decorados.
Petkovich Multiple-pass/multiple-function mass finishing
IT1262687B (it) Macchina decoratrice di manufatti ceramici piastriformi per l'impiego contemporaneo di due o piu' colori.