EP1778064B1 - Staubsauger mit bauteile aus expandiertem polypropylen - Google Patents

Staubsauger mit bauteile aus expandiertem polypropylen Download PDF

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Publication number
EP1778064B1
EP1778064B1 EP05783922.7A EP05783922A EP1778064B1 EP 1778064 B1 EP1778064 B1 EP 1778064B1 EP 05783922 A EP05783922 A EP 05783922A EP 1778064 B1 EP1778064 B1 EP 1778064B1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
expanded polypropylene
polypropylene
cleaner according
epp
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.)
Active
Application number
EP05783922.7A
Other languages
English (en)
French (fr)
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EP1778064A1 (de
Inventor
Robert Meyrignac
François PYSZCZEK
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.)
SEB SA
Original Assignee
SEB SA
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Filing date
Publication date
Application filed by SEB SA filed Critical SEB SA
Publication of EP1778064A1 publication Critical patent/EP1778064A1/de
Application granted granted Critical
Publication of EP1778064B1 publication Critical patent/EP1778064B1/de
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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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
    • 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/22—Mountings for motor fan assemblies

Definitions

  • the invention relates to the field of household appliances vacuum cleaners and more particularly the structure of a vacuum cleaner.
  • the plastics used in the vacuum cleaners are as thin as possible so as to limit the weight of the apparatus, and reduce the effort required for handling the vacuum cleaner during its use, this manipulation being a major cause of fatigue, for example when floors are to be climbed or when stairs are to be cleaned.
  • a first problem encountered during the manufacture of a vacuum cleaner is therefore the reduction of the weight of the device, this problem being a permanent concern for vacuum cleaner manufacturers.
  • the desired weight reduction results in the thinning of the shell and the body which goes against the strength of the device.
  • the weight of plastic material used for the manufacture of a vacuum cleaner quickly reaches a limit determined by the strength of the assembly.
  • a second problem is to maintain the strength of the hull and the body while greatly reducing the weight of plastic material used and that of the vacuum cleaner.
  • Noise nuisances of all kinds are today very much resisted, both in terms of general noises and domestic noise produced by the individuals themselves, and especially the noise generated by the household.
  • a third problem is therefore to reduce the noise of the vacuum cleaner while maintaining the strength of the shell and the body of the device, while reducing the weight of the whole.
  • Vacuuming in the home is not usually considered a very pleasant task and the appliance is used very sparingly, so the appliance often hits furniture, walls or other objects placed on the floor. in the home. On this occasion, given the rigidity of the frame of the vacuum cleaner, the shocked part is often damaged.
  • a fourth problem facing vacuum cleaner manufacturers is therefore to combine good mechanical characteristics of the frame with possible shock absorption to limit the effects of imprudent handling.
  • One solution to this problem can be found in particular by rubber bands surrounding, like a belt, the body of the apparatus. Such a solution generates a significant additional cost.
  • a fifth problem that arises is to make a vacuum cleaner whose materials can be easily, and if possible completely, recycled.
  • the invention therefore aims to solve these main difficulties, that is to say to achieve a low weight vacuum cleaner, high strength, a lower noise level than is known for this type of device, can absorb shocks and has high recyclability at end of life.
  • the vacuum cleaner comprising plastic parts is characterized in that at least one of the constituent elements of the body of the apparatus is manufactured with expanded polypropylene.
  • body of the device it is meant the visible outer part of the device, which can take various denominations: housing; hull, frame ....
  • At least one insert attached to said body of the apparatus is made of expanded polypropylene.
  • Expanded polypropylene is formed of beads which are molded in the object using a press in the presence of steam.
  • the EPP has multiple qualities: temperature resistance up to 110 ° C, excellent stability, lightness, impact resistance, ability to be recycled, etc. which makes it attractive.
  • its low mechanical strength is currently only a complementary material when making subsets.
  • the present invention thus can present constituent parts of the body of the vacuum cleaner, requiring a certain rigidity, strength and mechanical strength, made of EPP, which is not originally provided for this purpose.
  • Another object of the present invention is to favor polypropylene. choice of the plastic material. Another object of the invention is to use more than 90% of a single type of plastic material, polypropylene, throughout the body of the vacuum cleaner. Polypropylene can then be used in two forms: conventional polypropylene (PP) which has the conventional properties of plastics and expanded polypropylene (EPP).
  • PP polypropylene
  • EPP expanded polypropylene
  • the figure 1 is a side view, in simplified longitudinal section, of a vacuum cleaner.
  • a vacuum cleaner is conventionally constituted by a motor 4 generating the suction force and the flow of air from the end of a pipe (not shown) coming to connect in an opening on the body of the vacuum cleaner , until the evacuation towards the back of the device.
  • the air flow passes through the housing 10 containing the dust collection filter bag.
  • a handle 6, foldable or fixed, or an obviously acting handle, is sometimes arranged on the shell, preferably on the lower body 1 of the device.
  • the constituent material of the vacuum cleaner ie at least the lower body 1, and preferably also the upper body 2, is expanded polypropylene (EPP).
  • EPP expanded polypropylene
  • EPP Like any material containing a large amount of air, EPP has an extremely high thermal and sound insulation capacity, making it a particularly suitable material for absorbing the high noise of this type of appliance.
  • the damping capacity of the engine noise by the use of the EPP in all the elements where it is possible in the vacuum cleaner can lead, according to the configurations, a diminution of this nuisance compared to a vacuum cleaner made with the usual plastics in ABS or unexpanded polypropylene.
  • the low mechanical strength of the EPP required considerably increase the thickness of the walls to have sufficient strength. Surprisingly, however, even if the volume of material required then causes a larger vacuum cleaner than normal, the mass of plastic material can be greatly reduced, and the weight of the final vacuum can be halved.
  • the amount of lower material is also advantageous from an economic point of view since the vacuum cleaner is less expensive to manufacture.
  • the high flexibility of the EPP allows for improved shock absorption compared to other plastics traditionally used to make vacuum cleaners.
  • This great flexibility is associated, depending on the degree of expansion, an elastic memory of the material, which also has significant advantages in terms of assembly of the different complementary parts fitted to the body of the device. Indeed, it is so possible to articulate for example the different covers without hinge and simply lock them by deforming the material. This curious particularity also makes it possible to fix inserts, by interlocking, without difficulty.
  • the different parts are thus assembled very tightly, which has a significant advantage with respect to the transmission of noise, for the suction efficiency of the motor and the efficiency of the various filtering members.
  • the great flexibility of the EPP makes it possible to lock many parts, inserts or electrical cables in the absorbent material without the possibility of movement, more particularly over time, particularly due to the vibrations of the motor.
  • the vacuum cleaner thus advantageously comprises at least one assembly between a part made of expanded polypropylene and another part, made by deformation of the expanded polypropylene part. This deformation may allow, in addition to the mechanical strength of the parts, to produce a seal.
  • the different inserts can be introduced into force in the lower body 1 or in the upper body 2 during the assembly process.
  • the inserted parts are therefore simpler to manufacture, without counterparts for fixing are necessary on the body of the device.
  • the PPE material always because of the large amount of air included in the material, has a high ability to absorb vibrations, which vibrations often generate additional noise to that of the engine, for example at the operating members.
  • buttons, lights, wheels and wheels in a material other than the EPP, especially for functional reasons, for example a light must be made with a transparent plastic.
  • the standard polypropylene will be preferred to the other polymers so as to be compatible with the body of the apparatus. A melting operation or grinding of the entire vacuum cleaner, once the engine removed, to recover the polymer and reuse, is possible.
  • the use of a single plastic material is an important contribution in the reduction of raw material stocks and significantly increases the effective recovery rate of end-of-life devices.
  • the disassembly of the devices will consist mainly of insulating the metal parts (essentially the motor and the electric cable) of the single plastic material.
  • EPP material is its soft feel, a vacuum cleaner made with this product is more pleasant to handle which may have an additional commercial advantage combined with the main technical features described above.
  • the vacuum cleaner according to the invention can in particular, provision should be made for placing an automatic winding device for the electrical connection cable of the motor inside the lower body 1 or a manual device around its periphery, for example in the form of projecting parts, and for carrying out a vacuum with functionalities. various without departing from the scope of the invention.
  • the lower body 1 of the vacuum cleaner, the upper body 2, the lid 3 and the possible carrying handle 6, are made of PPE.
  • the indicator lights, control members 5 and operating members 9 may be made from unexpanded polypropylene, but it is also envisaged to manufacture various inserts such as actuators, wheels or wheels, made of PPE, without departing from the frame. invention.
  • vacuum cleaners can be considered with the entirety of polypropylene plastic parts, expanded or conventional.
  • Expanded polypropylene will be used at degrees of expansion defined by the amount of material (polypropylene) per liter. It will be preferable to use contents of between 40 g and 80 g of material per liter.
  • a vacuum cleaner comprising a lower body, an upper body and a cover made of PPE (at 60 g of material per liter) makes it possible to pass a weight of 6.7 kg if the material used to make these parts is mainly 3.5 kg ABS with a realization of these pieces of EPP, although the walls are about four times thicker with the use of
  • the device has a good rigidity with very good resistance of the elements reported on the pieces of EPP.
  • the device's recyclability rate increases from 70% to over 90%.
  • the high thickness of the walls can allow the housing of small cleaning accessories in this thickness, by a suitable cut.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Suction Cleaners (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Laminated Bodies (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Claims (7)

  1. Staubsauger, der Teile aus Kunststoff umfasst, dadurch gekennzeichnet, dass zumindest ein Element des sichtbaren äußeren Teils des Gerätegehäuses aus expandiertem Polypropylen besteht.
  2. Staubsauger nach Anspruch 1, dadurch gekennzeichnet, dass zumindest ein auf dem genannten Gerätegehäuse befestigter Einsatz aus expandiertem Polypropylen hergestellt ist.
  3. Staubsauger nach einem der vorhergehenden Ansprüche, wobei das Gehäuse des Staubsaugers einen unteren Gehäuseteil (1) und einen oberen Gehäuseteil (2) umfasst und wobei zumindest der untere Gehäuseteil (1) aus expandiertem Polypropylen hergestellt ist.
  4. Staubsauger nach Anspruch 3, wobei der untere Gehäuseteil (1) des Staubsaugers, der obere Gehäuseteil (2), der Deckel (3) und der Transportgriff (6) aus expandiertem Polypropylen hergestellt sind.
  5. Staubsauger nach Anspruch 1, wobei die Kontrollleuchten, die Bedienelemente (5) und die Manövrierelemente (9) aus Polypropylen bestehen.
  6. Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er zumindest eine Verbindung zwischen einem aus expandiertem Polypropylen hergestellten Teil und einem weiteren Teil umfasst, das durch Verformung des Teils aus expandiertem Polypropylen hergestellt wird.
  7. Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das expandierte Polypropylen einen Gehalt von zwischen 40 g und 80 g Material pro Liter aufweist.
EP05783922.7A 2004-07-29 2005-07-01 Staubsauger mit bauteile aus expandiertem polypropylen Active EP1778064B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0408376A FR2873563B1 (fr) 2004-07-29 2004-07-29 Aspirateur
PCT/FR2005/001682 WO2006024713A1 (fr) 2004-07-29 2005-07-01 Aspirateur avec des elements constitutifs en polypropylene expanse

Publications (2)

Publication Number Publication Date
EP1778064A1 EP1778064A1 (de) 2007-05-02
EP1778064B1 true EP1778064B1 (de) 2014-05-07

Family

ID=34948750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05783922.7A Active EP1778064B1 (de) 2004-07-29 2005-07-01 Staubsauger mit bauteile aus expandiertem polypropylen

Country Status (11)

Country Link
US (1) US20080313845A1 (de)
EP (1) EP1778064B1 (de)
JP (1) JP2008508012A (de)
KR (1) KR20070044040A (de)
CN (1) CN100589744C (de)
BR (1) BRPI0513203A (de)
ES (1) ES2473588T3 (de)
FR (1) FR2873563B1 (de)
PT (1) PT1778064E (de)
RU (1) RU2376925C2 (de)
WO (1) WO2006024713A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2902632B1 (fr) * 2006-06-27 2012-06-08 Seb Sa Aspirateur
DE102008003350B4 (de) * 2008-01-08 2011-05-19 Miele & Cie. Kg Staubsauger mit einem Raum zur Aufnahme eines Motorgebläses

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4592764A (en) * 1983-06-30 1986-06-03 Sharp Kabushiki Kaisha Vacuum cleaner
JP2664244B2 (ja) * 1989-04-22 1997-10-15 タイガースポリマー株式会社 消音性ハウジング
DE4321216A1 (de) * 1993-06-25 1995-01-19 Omega Haushaltsgeraete Gmbh & Motor- und Bauteilelagerung für Elektrogeräte, insbesondere Staubsauger
US5404614A (en) * 1994-01-06 1995-04-11 Royal Appliance Mfg. Co. Latch assembly for blower of wet/dry vacuum cleaner
US5479676A (en) * 1994-05-12 1996-01-02 Electrolux Corporation Vacuum cleaner
US5691881A (en) * 1995-05-16 1997-11-25 Hewlett-Packard Company Electronic device having E-PAC chassis for spatial arrangement of components and cable organization including channel with retaining wall preventing cable from dislodging from an edge connector
JPH09183195A (ja) * 1996-01-04 1997-07-15 Hitachi Ltd ポリオレフィン系樹脂構造体を備えた家庭電化製品及びその製造方法
US5870798A (en) * 1996-05-03 1999-02-16 The Hoover Company Compact carpet and upholstery extractor
US6370730B1 (en) * 1998-08-28 2002-04-16 Emerson Electric Co. Hose lock with integral seal
US6145160A (en) * 1998-11-20 2000-11-14 Primus Holdings, L.P. Tank-type vacuum cleaner
US6530116B2 (en) * 2001-02-13 2003-03-11 Shop Vac Corporation Vacuum cleaner with muffled detachable blower exhaust
GB2377163B (en) * 2001-07-05 2004-12-15 Hoover Ltd Vacuum cleaner
DE10161875A1 (de) * 2001-12-09 2003-09-04 Kern Gmbh Dr Staubsaugergehäuse

Also Published As

Publication number Publication date
FR2873563A1 (fr) 2006-02-03
US20080313845A1 (en) 2008-12-25
CN1988834A (zh) 2007-06-27
FR2873563B1 (fr) 2006-09-22
EP1778064A1 (de) 2007-05-02
CN100589744C (zh) 2010-02-17
RU2007107378A (ru) 2008-09-10
ES2473588T3 (es) 2014-07-07
KR20070044040A (ko) 2007-04-26
BRPI0513203A (pt) 2008-04-29
JP2008508012A (ja) 2008-03-21
WO2006024713A1 (fr) 2006-03-09
RU2376925C2 (ru) 2009-12-27
PT1778064E (pt) 2014-06-25

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