NL157071B - MOLBOARD DEVICE FOR LAYING PIPES IN THE GROUND. - Google Patents

MOLBOARD DEVICE FOR LAYING PIPES IN THE GROUND.

Info

Publication number
NL157071B
NL157071B NL6800320.A NL157071DA NL157071B NL 157071 B NL157071 B NL 157071B NL 157071D A NL157071D A NL 157071DA NL 157071 B NL157071 B NL 157071B
Authority
NL
Netherlands
Prior art keywords
molboard
ground
laying pipes
laying
pipes
Prior art date
Application number
NL6800320.A
Other languages
Dutch (nl)
Original Assignee
Cornelius Werner Kg
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.)
Publication of NL157071B publication Critical patent/NL157071B/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4058—Movement of the tools or the like perpendicular to the cleaning surface for adjusting the height of the tool
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning devices
    • A47L11/204—Floor surfacing or polishing machines combined with vacuum cleaning devices having combined drive for brushes and for vacuum cleaning
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning devices
    • A47L11/204—Floor surfacing or polishing machines combined with vacuum cleaning devices having combined drive for brushes and for vacuum cleaning
    • A47L11/206—Floor surfacing or polishing machines combined with vacuum cleaning devices having combined drive for brushes and for vacuum cleaning for rotary disc brushes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
NL6800320.A 1949-11-04 MOLBOARD DEVICE FOR LAYING PIPES IN THE GROUND. NL157071B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB288389X 1949-11-04

Publications (1)

Publication Number Publication Date
NL157071B true NL157071B (en)

Family

ID=10281975

Family Applications (2)

Application Number Title Priority Date Filing Date
NL80809D NL80809C (en) 1949-11-04
NL6800320.A NL157071B (en) 1949-11-04 MOLBOARD DEVICE FOR LAYING PIPES IN THE GROUND.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL80809D NL80809C (en) 1949-11-04

Country Status (7)

Country Link
US (1) US2693002A (en)
BE (1) BE498970A (en)
CH (1) CH288389A (en)
DE (1) DE944265C (en)
FR (1) FR1026941A (en)
GB (1) GB689098A (en)
NL (2) NL157071B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9115602U1 (en) * 1991-12-17 1993-04-15 Vorwerk & Co Interholding Gmbh, 5600 Wuppertal Mouthpiece for vacuum cleaner
GB2318279A (en) * 1996-10-16 1998-04-22 Electrolux Ltd Suction cleaner handle
GB2405576A (en) * 2003-09-03 2005-03-09 Richards Morphy N I Ltd Apparatus for floor cleaning with alternative cleaning devices
DE102008028936A1 (en) * 2008-06-18 2009-12-24 BSH Bosch und Siemens Hausgeräte GmbH Brush head i.e. suction nozzle, for vacuum cleaner, has suction channel assigned to one of brush rollers in area of dirt whirl, where one of rollers is arranged transverse to surface and is manually height adjustable over operating element
IT201800002051A1 (en) 2018-01-26 2019-07-26 4Cleanpro S R L EQUIPMENT FOR THE TREATMENT OF FLOORS
USD1032120S1 (en) * 2022-01-20 2024-06-18 Shenzhen Pudu Technology Co., Ltd. Floor scrubber

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1688580A (en) * 1924-12-03 1928-10-23 John W Gernandt Combined vacuum cleaner and polisher
US2203537A (en) * 1937-06-02 1940-06-04 P A Geier Co Nozzle adjusting construction
US2348861A (en) * 1941-06-21 1944-05-16 Hoover Co Suction cleaner
NL57242C (en) * 1942-03-25

Also Published As

Publication number Publication date
FR1026941A (en) 1953-05-05
GB689098A (en) 1953-03-18
NL80809C (en)
BE498970A (en)
US2693002A (en) 1954-11-02
CH288389A (en) 1953-01-31
DE944265C (en) 1956-06-14

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