EP0200789A4 - Cushion material and products using thereof. - Google Patents

Cushion material and products using thereof.

Info

Publication number
EP0200789A4
EP0200789A4 EP19850905430 EP85905430A EP0200789A4 EP 0200789 A4 EP0200789 A4 EP 0200789A4 EP 19850905430 EP19850905430 EP 19850905430 EP 85905430 A EP85905430 A EP 85905430A EP 0200789 A4 EP0200789 A4 EP 0200789A4
Authority
EP
European Patent Office
Prior art keywords
high molecular
water
cushion
molecular material
kgf
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.)
Withdrawn
Application number
EP19850905430
Other languages
German (de)
French (fr)
Other versions
EP0200789A1 (en
Inventor
Yoshihiko Kitagawa
Masashi Aoshima
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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
Priority claimed from JP16689984U external-priority patent/JPS6182498U/ja
Priority claimed from JP21993785A external-priority patent/JPS6279232A/en
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of EP0200789A1 publication Critical patent/EP0200789A1/en
Publication of EP0200789A4 publication Critical patent/EP0200789A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B68—SADDLERY; UPHOLSTERY
    • B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
    • B68G5/00—Resilient upholstery pads
    • B68G5/02—Resilient upholstery pads of cellular material, e.g. sponge rubber
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/20—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with springs moulded in, or situated in cavities or openings in foamed material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/15—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Abstract

A cushion material consisting of a composite material of a water-swellable high molecular material and a high molecular material of the non-hydrolyzing-type crosslinked structure, becomes more than three times to less than 15 times larger in volume when swollen with water, and has excellent pressure dispersibility and excellent durability. Further, a cushion product is obtained by wrapping the cushion material with a water-impermeable material. More preferably, the high molecular material consists of a rubber material which has a breaking strength of 8 kgf/cm2 or greater and an elongation at breakage of 500% or more. After crosslinked, the high molecular material exhibits the stress at 300% elongation of 5 kgf/cm2 or smaller.
EP19850905430 1984-11-01 1985-10-31 Cushion material and products using thereof. Withdrawn EP0200789A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP16689984U JPS6182498U (en) 1984-11-01 1984-11-01
JP166899/84U 1984-11-01
JP219937/85 1985-10-02
JP21993785A JPS6279232A (en) 1985-10-02 1985-10-02 Cushioning base material

Publications (2)

Publication Number Publication Date
EP0200789A1 EP0200789A1 (en) 1986-11-12
EP0200789A4 true EP0200789A4 (en) 1987-03-12

Family

ID=26491112

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850905430 Withdrawn EP0200789A4 (en) 1984-11-01 1985-10-31 Cushion material and products using thereof.

Country Status (5)

Country Link
EP (1) EP0200789A4 (en)
KR (1) KR870700570A (en)
DK (1) DK294186A (en)
NO (1) NO862640L (en)
WO (1) WO1986002627A1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59145230A (en) * 1983-02-07 1984-08-20 Sumitomo Chem Co Ltd Production of highly water-swellable vulcanized rubber product

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No relevant documents have been disclosed. *
See also references of WO8602627A1 *

Also Published As

Publication number Publication date
NO862640D0 (en) 1986-06-30
DK294186A (en) 1986-08-21
EP0200789A1 (en) 1986-11-12
NO862640L (en) 1986-06-30
KR870700570A (en) 1987-12-30
DK294186D0 (en) 1986-06-23
WO1986002627A1 (en) 1986-05-09

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19860722

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE DE FR GB IT NL SE

A4 Supplementary search report drawn up and despatched

Effective date: 19870312

17Q First examination report despatched

Effective date: 19880518

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19880929

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KITAGAWA, YOSHIHIKO

Inventor name: AOSHIMA, MASASHI