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Dust-collecting filter for electrical cleaner

A technology for filters and vacuum cleaners, which is applied in the direction of suction filters, vacuum cleaners, membrane filters, etc., and can solve problems such as insufficient expansion, broken filters, and insufficient expansion of vacuum cleaner filters.

Inactive Publication Date: 2008-09-03
IM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, this kind of filter usually uses a paper filter that is often used. In the case of implementing the invention in the Japanese Patent Application Laid-Open No. 2002-65530, there is still a problem that the vacuum cleaner filter cannot be fully expanded by only the suction action. baggy problem
especially if Figure 12 As shown, in the case of installing the filter mounting cardboard 200 on the fixed part 201 of the dust collection chamber of the electric vacuum cleaner, there is a problem that the folded part 204 of the filter body 203 straddles the bottom 202 of the dust collection chamber above, the portion k of the corner between the folded portion 204 and the non-turned portion 205 cannot be sufficiently expanded
In addition, various irregularities are often provided in the dust collecting chamber 201, so that the filter hangs on the irregularities, cannot fully expand into a bag shape, and in the worst case causes the filter to break.
[0011] Moreover, as shown in FIG. 8, when the mounting cardboard is mounted on the fixed part of the dust collection chamber, the filter body may also be sandwiched. As a result, the bag cannot be fully expanded and the filter may be broken question

Method used

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Embodiment Construction

[0039] A specific embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0040] figure 1 It is a front view showing one embodiment of the dust collecting filter for an electric vacuum cleaner according to the present invention, figure 2 is its rear view, and Figure 3(A) is along Figure 6 Figure 3(B) is an enlarged cross-sectional schematic view of the joint portion for forming a cylinder along line A-A of Figure 6 Figure 3(C) is an enlarged cross-sectional model diagram of the A-A line along Figure 5 The enlarged cross-sectional schematic diagram of the B-B line.

[0041] The dust collection filter 1 for an electric vacuum cleaner of the present invention is a general-purpose disposable filter that can be used for various types of vacuum cleaners of multiple companies or one company's vacuum cleaners, and has a cardboard 2 and a filter body 3 for installation. . In this embodiment, the mounting cardboard 2...

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Abstract

A filter for a cleaner, having no gussets for expansion, and being expansible and free from breakage. A filter body (3) is attached to an installation board (2), and the filter body (3) forms by its front face sheet portion and rear face sheet portion a bag-like body having no gussets. The filter body (3) is made from a non-woven sheet having flexibility that is bending resistance of 100 mm or less by a 45-degree cantilever method. A tensile breaking elongation of the non-woven sheet is 15% or more.

Description

technical field [0001] The present invention relates to the improvement of dust collecting filter for electric vacuum cleaner. Background technique [0002] Conventionally, there is known a bag-shaped dust collection filter for disposable electric vacuum cleaners. As this conventional dust collection filter for electric vacuum cleaners, for example, there is a filter shown in FIG. 9(A)(B). The dust collecting filter for electric vacuum cleaner has a filter body a and a plate-shaped installation cardboard b. The filter body a has a dust collection port a1 on the front piece a2. The filter body a is composed of thick paper that is installed on the electric vacuum cleaner. The filter body a is composed of components having front and rear sides a2, a4 and left and right sides a3, a3. a3, a3 are respectively bent from the front piece a2 and the back piece a4, and at the same time, by folding the left and right sides a3, a3 at the central valley fold (valley fold リ portion) at d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47L9/14B01D46/02
CPCB01D46/0095B01D2279/55A47L9/14A47L9/1436B01D46/02
Inventor 吉川润越智正明森新吉
Owner IM CO LTD
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