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WO2007049973A3 - Rebond mould - Google Patents

Rebond mould Download PDF

Info

Publication number
WO2007049973A3
WO2007049973A3 PCT/NO2006/000382 NO2006000382W WO2007049973A3 WO 2007049973 A3 WO2007049973 A3 WO 2007049973A3 NO 2006000382 W NO2006000382 W NO 2006000382W WO 2007049973 A3 WO2007049973 A3 WO 2007049973A3
Authority
WO
WIPO (PCT)
Prior art keywords
mould
rebond
flakes
moulding
conducted
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/NO2006/000382
Other languages
French (fr)
Other versions
WO2007049973A2 (en
Inventor
Trond Kvelstad
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ekornes ASA
Original Assignee
Ekornes ASA
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 Ekornes ASA filed Critical Ekornes ASA
Publication of WO2007049973A2 publication Critical patent/WO2007049973A2/en
Anticipated expiration legal-status Critical
Publication of WO2007049973A3 publication Critical patent/WO2007049973A3/en
Ceased legal-status Critical Current

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
    • B29C44/0446—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 increasing the density locally by compressing part of the foam while still in 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
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1214—Anchoring by foaming into a preformed part, e.g. by penetrating through holes
    • 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
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The present invention concerns a method for rebond moulding wherein foam pieces or flakes with binder is conducted into a closed mould (1) with at least one moveable wall, wherein the flakes are compressed and steam is introduced to cure the product and then cooling, characterised in that foam pieces or flakes are conducted into the mould by way of fluidization, preferably by an air stream, compressed air or vacuum. The invention also concerns a mould box for rebond moulding and products produced by the same.
PCT/NO2006/000382 2005-10-28 2006-10-30 Rebond mould Ceased WO2007049973A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20055035 2005-10-28
NO20055035A NO326194B1 (en) 2005-10-28 2005-10-28 Procedure for re-stopping and stopping form for re-stopping

Publications (2)

Publication Number Publication Date
WO2007049973A2 WO2007049973A2 (en) 2007-05-03
WO2007049973A3 true WO2007049973A3 (en) 2010-08-26

Family

ID=35432864

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2006/000382 Ceased WO2007049973A2 (en) 2005-10-28 2006-10-30 Rebond mould

Country Status (2)

Country Link
NO (1) NO326194B1 (en)
WO (1) WO2007049973A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9724852B1 (en) 2009-05-22 2017-08-08 Columbia Insurance Company High density composites comprising reclaimed carpet material
US9410026B1 (en) 2009-05-22 2016-08-09 Columbia Insurance Company Rebond polyurethane foam comprising reclaimed carpet material and methods for the manufacture of same
IT202300008919A1 (en) * 2023-05-05 2024-11-05 Selle Royal Group Spa Support element for the human body comprising a recycled material and method for its production

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173630A (en) * 1982-04-05 1983-10-12 Honda Motor Co Ltd Interior finish board and preparation thereof
JPH058227A (en) * 1991-07-05 1993-01-19 Inoac Corp Manufacture of synthetic resin formed article
US5198163A (en) * 1991-10-03 1993-03-30 Sekisui Kaseihin Kogyo Kabushiki Kaisha Expansion molding method
EP0646452A2 (en) * 1993-09-30 1995-04-05 BASF Aktiengesellschaft Process for making foam plastic mouldings
US6042764A (en) * 1993-11-29 2000-03-28 C.A. Greiner & Sohne Gesellschaft M.B.H. Method of producing shaped plastic foam parts
JP2003080546A (en) * 2001-09-12 2003-03-19 Mikio Bessho Beads molding method
EP1579972A2 (en) * 2004-03-25 2005-09-28 Greiner Perfoam GmbH Apparatus, process and mould for producing a part

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173630A (en) * 1982-04-05 1983-10-12 Honda Motor Co Ltd Interior finish board and preparation thereof
JPH058227A (en) * 1991-07-05 1993-01-19 Inoac Corp Manufacture of synthetic resin formed article
US5198163A (en) * 1991-10-03 1993-03-30 Sekisui Kaseihin Kogyo Kabushiki Kaisha Expansion molding method
EP0646452A2 (en) * 1993-09-30 1995-04-05 BASF Aktiengesellschaft Process for making foam plastic mouldings
US6042764A (en) * 1993-11-29 2000-03-28 C.A. Greiner & Sohne Gesellschaft M.B.H. Method of producing shaped plastic foam parts
JP2003080546A (en) * 2001-09-12 2003-03-19 Mikio Bessho Beads molding method
EP1579972A2 (en) * 2004-03-25 2005-09-28 Greiner Perfoam GmbH Apparatus, process and mould for producing a part

Also Published As

Publication number Publication date
NO326194B1 (en) 2008-10-13
NO20055035D0 (en) 2005-10-28
WO2007049973A2 (en) 2007-05-03
NO20055035L (en) 2007-04-30

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Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
NENP Non-entry into the national phase

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122 Ep: pct application non-entry in european phase

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DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)