GB2368541B - Device for cleaning bottoms of pools with sand beds - Google Patents

Device for cleaning bottoms of pools with sand beds

Info

Publication number
GB2368541B
GB2368541B GB0201953A GB0201953A GB2368541B GB 2368541 B GB2368541 B GB 2368541B GB 0201953 A GB0201953 A GB 0201953A GB 0201953 A GB0201953 A GB 0201953A GB 2368541 B GB2368541 B GB 2368541B
Authority
GB
United Kingdom
Prior art keywords
pools
sand beds
bottoms
cleaning
cleaning bottoms
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 - Fee Related
Application number
GB0201953A
Other versions
GB2368541A (en
GB0201953D0 (en
Inventor
Anders Ekenbaeck
Klas Lange
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.)
Weda Poolcleaner AB
Original Assignee
Weda Poolcleaner AB
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 Weda Poolcleaner AB filed Critical Weda Poolcleaner AB
Priority claimed from GB9907763A external-priority patent/GB2336117B/en
Publication of GB0201953D0 publication Critical patent/GB0201953D0/en
Publication of GB2368541A publication Critical patent/GB2368541A/en
Application granted granted Critical
Publication of GB2368541B publication Critical patent/GB2368541B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
GB0201953A 1998-04-08 1999-04-07 Device for cleaning bottoms of pools with sand beds Expired - Fee Related GB2368541B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9810246 1998-04-08
GB9907763A GB2336117B (en) 1998-04-08 1999-04-07 Method and device for cleaning bottoms of pools with sand beds

Publications (3)

Publication Number Publication Date
GB0201953D0 GB0201953D0 (en) 2002-03-13
GB2368541A GB2368541A (en) 2002-05-08
GB2368541B true GB2368541B (en) 2002-07-17

Family

ID=26315382

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0201953A Expired - Fee Related GB2368541B (en) 1998-04-08 1999-04-07 Device for cleaning bottoms of pools with sand beds

Country Status (1)

Country Link
GB (1) GB2368541B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110767365B (en) * 2019-11-01 2021-03-16 安徽慧艺线缆集团有限公司 Special insulating multi-core cable

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1150876A (en) * 1915-03-01 1915-08-24 Eugene M Nichols Scraping-machine for filter-beds.
EP0310221A1 (en) * 1987-10-02 1989-04-05 Thames Water Utilities Limited Slow sand filter cleaning device
US5435031A (en) * 1993-07-09 1995-07-25 H-Tech, Inc. Automatic pool cleaning apparatus
US5569371A (en) * 1994-04-22 1996-10-29 Maytronics Ltd. System for underwater navigation and control of mobile swimming pool filter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1150876A (en) * 1915-03-01 1915-08-24 Eugene M Nichols Scraping-machine for filter-beds.
EP0310221A1 (en) * 1987-10-02 1989-04-05 Thames Water Utilities Limited Slow sand filter cleaning device
US5435031A (en) * 1993-07-09 1995-07-25 H-Tech, Inc. Automatic pool cleaning apparatus
US5569371A (en) * 1994-04-22 1996-10-29 Maytronics Ltd. System for underwater navigation and control of mobile swimming pool filter

Also Published As

Publication number Publication date
GB2368541A (en) 2002-05-08
GB0201953D0 (en) 2002-03-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120407