NO315901B1 - Utstrekkbart, kveilbart element - Google Patents

Utstrekkbart, kveilbart element Download PDF

Info

Publication number
NO315901B1
NO315901B1 NO20006058A NO20006058A NO315901B1 NO 315901 B1 NO315901 B1 NO 315901B1 NO 20006058 A NO20006058 A NO 20006058A NO 20006058 A NO20006058 A NO 20006058A NO 315901 B1 NO315901 B1 NO 315901B1
Authority
NO
Norway
Prior art keywords
extended
coiled
projection
extensible
protrusions
Prior art date
Application number
NO20006058A
Other languages
English (en)
Norwegian (no)
Other versions
NO20006058D0 (no
NO20006058L (no
Inventor
Andrew James Daton-Lovett
Original Assignee
Rolatube Technology 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
Application filed by Rolatube Technology Ltd filed Critical Rolatube Technology Ltd
Publication of NO20006058D0 publication Critical patent/NO20006058D0/no
Publication of NO20006058L publication Critical patent/NO20006058L/no
Publication of NO315901B1 publication Critical patent/NO315901B1/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/085—Flexible aerials; Whip aerials with a resilient base
    • H01Q1/087—Extensible roll- up aerials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/39—Other types of filamentary materials or special applications
    • B65H2701/3914—Irregular cross section, i.e. not circular
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/906—Roll or coil
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
    • Y10T428/1314—Contains fabric, fiber particle, or filament made of glass, ceramic, or sintered, fused, fired, or calcined metal oxide, or metal carbide or other inorganic compound [e.g., fiber glass, mineral fiber, sand, etc.]
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1362—Textile, fabric, cloth, or pile containing [e.g., web, net, woven, knitted, mesh, nonwoven, matted, etc.]
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y10T428/24074—Strand or strand-portions
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y10T428/24074—Strand or strand-portions
    • Y10T428/24091—Strand or strand-portions with additional layer[s]
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
    • Y10T428/24124—Fibers
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24636—Embodying mechanically interengaged strand[s], strand-portion[s] or strand-like strip[s] [e.g., weave, knit, etc.]
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744—Longitudinal or transverse tubular cavity or cell
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2008—Fabric composed of a fiber or strand which is of specific structural definition
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • Y10T442/3301—Coated, impregnated, or autogenous bonded

Landscapes

  • Details Of Indoor Wiring (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Springs (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Toys (AREA)
  • Discharge Heating (AREA)
  • Burglar Alarm Systems (AREA)
  • Tents Or Canopies (AREA)
  • Laminated Bodies (AREA)
NO20006058A 1998-06-04 2000-11-29 Utstrekkbart, kveilbart element NO315901B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9812057.9A GB9812057D0 (en) 1998-06-04 1998-06-04 Means for extending the utility of extendible,coiled members
PCT/GB1999/001708 WO1999062812A1 (fr) 1998-06-04 1999-05-28 Element enroulable, extensible

Publications (3)

Publication Number Publication Date
NO20006058D0 NO20006058D0 (no) 2000-11-29
NO20006058L NO20006058L (no) 2001-02-01
NO315901B1 true NO315901B1 (no) 2003-11-10

Family

ID=10833223

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20006058A NO315901B1 (no) 1998-06-04 2000-11-29 Utstrekkbart, kveilbart element

Country Status (12)

Country Link
US (1) US6602574B1 (fr)
EP (1) EP1091902B1 (fr)
JP (1) JP4398092B2 (fr)
CN (1) CN1213935C (fr)
AU (1) AU753584B2 (fr)
CA (1) CA2375639C (fr)
DE (1) DE69910388T2 (fr)
ES (1) ES2205900T3 (fr)
GB (1) GB9812057D0 (fr)
NO (1) NO315901B1 (fr)
RU (1) RU2220089C2 (fr)
WO (1) WO1999062812A1 (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6431271B1 (en) 2000-09-20 2002-08-13 Schlumberger Technology Corporation Apparatus comprising bistable structures and methods for their use in oil and gas wells
WO2004114259A2 (fr) * 2003-06-23 2004-12-29 Simon Richard Daniel Dispositif d'affichage possedant un ecran extensible
GB0612558D0 (en) * 2006-06-23 2006-08-02 Univ Cambridge Tech Multistable structural member and method for forming a multistable structural member
US9376600B2 (en) * 2008-06-27 2016-06-28 Liberman Disbributing and Manufacturing Co. Extendable self-supporting material
GB0909525D0 (en) 2009-06-03 2009-07-15 Rwr Systems Ltd Sensor assembly and a method of sensing
WO2011154676A1 (fr) 2010-06-07 2011-12-15 Rwr Systems Limited Ensemble capteur et procédé de détection
CN103002941B (zh) 2010-07-02 2016-02-03 利伯曼分配及制造公司 用于鼻扩张器的方法和结构
GB2491822B (en) 2011-06-09 2015-12-02 Rtl Materials Ltd Coilable extendible member and methods
US8863369B2 (en) 2011-09-13 2014-10-21 Composite Technology Development, Inc. Slit tube locking longeron
US9427945B2 (en) 2011-12-30 2016-08-30 Liberman Distributing And Manufacturing Co. Extendable self-supporting material composites and manufacture thereof
US9840060B2 (en) 2012-11-21 2017-12-12 Tendeg Llc Rigid slit-tube laminate system
US9528264B2 (en) 2013-02-15 2016-12-27 Tendeg Llc Collapsible roll-out truss
GB2517991B (en) 2013-09-09 2017-11-08 Rtl Mat Ltd Extendible slit tubular mast and integrally coupled antenna
GB2526247B (en) 2014-03-12 2018-12-05 Rtl Mat Ltd Methods and apparatus relating to deployment of fibre optic assemblies by burial.
US9593485B2 (en) 2014-03-12 2017-03-14 Roccor, Llc Deployment system for supported retractable extension of a composite boom
US10266368B2 (en) * 2014-06-07 2019-04-23 Composite Technology Development, Inc. Wedge and mandrel assembly for slit-tube longerons
US11064886B2 (en) 2015-08-03 2021-07-20 Medipee Gmbh Device and method for the mobile analysis of excrement in a toilet
GB2541881B (en) * 2015-08-28 2022-06-29 Rtl Mat Ltd Composite member
GB2545223A (en) 2015-12-09 2017-06-14 Rtl Mat Ltd Apparatus and methods for joining in a tube
US10611502B2 (en) 2016-10-20 2020-04-07 Roccor, Llc Precision deployment devices, systems, and methods
GB201703040D0 (en) * 2017-02-24 2017-04-12 Rtl Mat Ltd Slit tube extendible members and methods for manufacturing same
US10100968B1 (en) * 2017-06-12 2018-10-16 Irobot Corporation Mast systems for autonomous mobile robots
GB201713482D0 (en) 2017-08-22 2017-10-04 Rtl Mat Ltd Slit locking clamp for mast and support assembly
GB2573019B (en) 2018-04-20 2022-11-02 Korn Wall Ltd A split tube extendable member system
US11110595B2 (en) 2018-12-11 2021-09-07 Irobot Corporation Mast systems for autonomous mobile robots
US10995485B1 (en) * 2018-12-31 2021-05-04 RFW Anchors LLC Anchor apparatus and method
US11239567B2 (en) 2019-05-08 2022-02-01 Tendeg Llc Antenna
CN111237588B (zh) * 2020-01-14 2021-05-14 辽宁希泰科技有限公司 一种自支撑波纹管
JP7675337B2 (ja) 2020-12-28 2025-05-13 マックス株式会社 チューブ
GB2602819B (en) 2021-01-15 2025-03-05 Korn Wall Ltd Screen System
GB2603815A (en) 2021-02-16 2022-08-17 Korn Wall Ltd Screen System
WO2023148464A1 (fr) 2022-02-04 2023-08-10 Korn Wall Ltd Structure d'écran
GB2624130B (en) 2022-02-10 2024-12-04 Korn Wall Ltd Screen system and structure

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3144104A (en) * 1961-08-03 1964-08-11 Dehavilland Aircraft Canada Coilable tube device
US3252173A (en) * 1963-12-11 1966-05-24 Eli I Robinsky Continuously extensible and roll-up structure
US3387414A (en) * 1965-10-23 1968-06-11 Melpar Inc Extendible boom
US3361377A (en) * 1965-12-30 1968-01-02 Melpar Inc Extendible-retractable boom
US3434674A (en) * 1967-05-01 1969-03-25 Dehavilland Aircraft Canada Storable tubular extensible member device
US3503164A (en) * 1968-01-03 1970-03-31 Fairchild Hiller Corp Tubular extendable structure
CA951888A (en) * 1970-08-01 1974-07-30 Moritada Kubo Production of extendible tubes
US3696568A (en) * 1970-10-28 1972-10-10 Fairchild Hiller Corp Collapsible, extendible double tubular structure
US4096459A (en) 1973-09-24 1978-06-20 Herman Lowenhar Two wire transmission line using tubular extendible structures
US3975581A (en) 1973-09-24 1976-08-17 Herman Lowenhar Transmission lines using tubular extendible structures
US4265690A (en) * 1973-09-24 1981-05-05 Herman Lowenhar Method of forming transmission lines using tubular extendible structures
GB8710332D0 (en) 1987-04-30 1987-06-03 Daton Lovett A J Extensible elements
US5691023A (en) * 1992-07-06 1997-11-25 Keller; Shiela Decorative packaging ribbon
GB9606200D0 (en) * 1996-03-25 1996-05-29 Daton Lovett Andrew J An extendible member

Also Published As

Publication number Publication date
EP1091902A1 (fr) 2001-04-18
CA2375639C (fr) 2007-09-11
DE69910388T2 (de) 2004-06-24
AU753584B2 (en) 2002-10-24
NO20006058D0 (no) 2000-11-29
CN1213935C (zh) 2005-08-10
JP2002516975A (ja) 2002-06-11
CN1304378A (zh) 2001-07-18
DE69910388D1 (de) 2003-09-18
JP4398092B2 (ja) 2010-01-13
CA2375639A1 (fr) 1999-12-09
NO20006058L (no) 2001-02-01
ES2205900T3 (es) 2004-05-01
AU4274099A (en) 1999-12-20
US6602574B1 (en) 2003-08-05
EP1091902B1 (fr) 2003-08-13
RU2220089C2 (ru) 2003-12-27
GB9812057D0 (en) 1998-08-05
WO1999062812A1 (fr) 1999-12-09

Similar Documents

Publication Publication Date Title
NO315901B1 (no) Utstrekkbart, kveilbart element
US2861598A (en) Flexible duct construction
NO872059L (no) Fleksibelt roer.
CA2475171C (fr) Element de canalisation et procede et appareil de fabrication
US4054985A (en) Method for the application of a protection cover around heat or cool insulated tube bends
CN112567219A (zh) 利用光纤光栅传感器的温度测定装置
ES2386434T3 (es) Cable de fibra óptica dieléctrico con características de instalación mejoradas
NO137365B (no) Isolasjonskappe av halvstivt, varmeisolerende materiale
JP2010524627A (ja) 美容クリップロッド
KR100766447B1 (ko) 텐트폴 연결장치
EP2478284B1 (fr) Ensemble conduit
WO2016133018A1 (fr) Faisceau de câbles
JP6471454B2 (ja) プロテクタ及び電線モジュール
ITMI20000332V0 (it) Struttura di molletta di fissaggio particolarmente per tubi corrugatie simili
KR100892243B1 (ko) 배관용 폼패드
JP4225759B2 (ja) 長尺光ファイバセンサー
WO2002012775B1 (fr) Enveloppes isolantes pour conduits et procédé de fabrication
US1969212A (en) Pneumatic and electric connecter for milking machines
JP6927760B2 (ja) 光ファイバ心線保護構造
RU2010139320A (ru) Холодильный аппарат, содержащий элемент обшивки с прорезями
KR200383944Y1 (ko) 텐트폴 연결장치
KR200401240Y1 (ko) 배관용 폼패드
JP2012228107A (ja) ワイヤーハーネス用保護材、ワイヤーハーネス用保護材の製造方法及びワイヤーハーネス
KR20050101277A (ko) 파이프 단열용 발포단열관
JP2014164974A (ja) 伸縮式ヒータ器具

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees