ES2148278T3 - Formacion de superficies tridimensionales de almohadillas de espuma sintetica mediante un proceso rotativo continuo. - Google Patents

Formacion de superficies tridimensionales de almohadillas de espuma sintetica mediante un proceso rotativo continuo.

Info

Publication number
ES2148278T3
ES2148278T3 ES94202656T ES94202656T ES2148278T3 ES 2148278 T3 ES2148278 T3 ES 2148278T3 ES 94202656 T ES94202656 T ES 94202656T ES 94202656 T ES94202656 T ES 94202656T ES 2148278 T3 ES2148278 T3 ES 2148278T3
Authority
ES
Spain
Prior art keywords
die
portions
continuous rotary
depressions
rotary process
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.)
Expired - Lifetime
Application number
ES94202656T
Other languages
English (en)
Inventor
Arthur Barr
Lewis Sturgill
Jesus Munoz Contreras Jose De
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.)
Foamex LP
Original Assignee
Foamex LP
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22404228&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2148278(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Foamex LP filed Critical Foamex LP
Application granted granted Critical
Publication of ES2148278T3 publication Critical patent/ES2148278T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
    • A61G7/05707—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with integral, body-bearing projections or protuberances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/28—Splitting layers from work; Mutually separating layers by cutting
    • B26D3/281—Splitting layers from work; Mutually separating layers by cutting the work being simultaneously deformed by the application of pressure to obtain profiled workpieces
    • 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
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5654—Subdividing foamed articles to obtain particular surface properties, e.g. on multiple modules
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/82—Embossing by foaming
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0405—With preparatory or simultaneous ancillary treatment of work
    • Y10T83/0419—By distorting within elastic limit
    • Y10T83/0429—By compressing
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/343—With means to deform work temporarily

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Forests & Forestry (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

SUPERFICIES DE ESPUMA SINTETICA MOLDEADA TRIDIMENSIONALMENTE SE FABRICAN A TRAVES DEL PRENSADO DE UNA SUPERFICIE (26) ORIGINARIAMENTE PLANA DE UN BLOQUE DE ESPUMA (20) CONTRA UNA MATRIZ (12) QUE TIENE PARTES DE MATRIZ ELEVADAS (28) QUE CORRESPONDEN A LAS PARTES ELEVADAS DESEADAS (42) SOBRE LA SUPERFICIE MOLDEADA SEPARADA POR DEPRESIONES DE MATRIZ (30) QUE CORRESPONDEN A DEPRESIONES DESEADAS (48) SOBRE LA SUPERFICIE CONFIGURADA, CON FUERZA SUFICIENTE PARA EXTRUIR PARTES DEL BLOQUE (20) DENTRO DE LAS DEPRESIONES DE LA MATRIZ (30), Y SEPARAR CORTANDO LAS PARTES MIENTRAS SE EXTRUYEN. EL METODO PUEDE SER EMPLEANDO COMO UN PROCESO ROTATORIO CONTINUO POR MEDIO DE LA COMPRESION DE ESPUMA ENTRE EL RODILLO DE MATRIZ (12) Y UN RODILLO DE PRESION (14) Y TROCEANDO LAS PORCIONES EXTRUIDAS A LO LARGO DE UN PLANO TANGENTE AL RODILLO DE MATRIZ (12).
ES94202656T 1993-09-15 1994-09-15 Formacion de superficies tridimensionales de almohadillas de espuma sintetica mediante un proceso rotativo continuo. Expired - Lifetime ES2148278T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12270193A 1993-09-15 1993-09-15

Publications (1)

Publication Number Publication Date
ES2148278T3 true ES2148278T3 (es) 2000-10-16

Family

ID=22404228

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94202656T Expired - Lifetime ES2148278T3 (es) 1993-09-15 1994-09-15 Formacion de superficies tridimensionales de almohadillas de espuma sintetica mediante un proceso rotativo continuo.

Country Status (7)

Country Link
US (2) US5534208A (es)
EP (1) EP0642894B2 (es)
AT (1) ATE193480T1 (es)
CA (1) CA2117273C (es)
DE (1) DE69424727T3 (es)
DK (1) DK0642894T3 (es)
ES (1) ES2148278T3 (es)

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US6173638B1 (en) 1997-07-23 2001-01-16 Foamex L.P. Method for cutting a cellular polymer surface with multiple continuous platforms
US6142053A (en) * 1997-07-23 2000-11-07 Foamex L.P. Method of cutting a cellular polymer surface with a continous platform cutting apparatus
US6085627A (en) * 1997-07-23 2000-07-11 Foamex L.P. Apparatus for cutting a cellular polymer surface with multiple continuous platforms
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US20080113143A1 (en) * 2006-10-31 2008-05-15 David Stirling Taylor Flexible Material and Method of Manufacturing the Flexible Material
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Also Published As

Publication number Publication date
EP0642894B2 (en) 2009-09-30
DE69424727T2 (de) 2000-09-28
EP0642894A1 (en) 1995-03-15
DE69424727D1 (de) 2000-07-06
DE69424727T3 (de) 2010-05-06
CA2117273C (en) 2001-06-26
CA2117273A1 (en) 1995-03-16
US5688538A (en) 1997-11-18
US5534208A (en) 1996-07-09
ATE193480T1 (de) 2000-06-15
EP0642894B1 (en) 2000-05-31
DK0642894T3 (da) 2000-08-28

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