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plastic bucket

A plastic bucket, plastic technology, used in textiles and paper, other washing machines, washing devices, etc., can solve problems such as material growth, not enough space for geometric shapes, and inability to apply bearing retainers

Active Publication Date: 2018-10-16
BOSCH SIEMENS HAUSGERATE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is also disadvantageous that a higher level of tension is generated in the area of ​​the tab, which always results in a greater growth of the material
[0013] The applicability of the above-mentioned manufacturing method is limited, since this solution cannot be applied in the area of ​​the bearing holder, also called raised, because the introduction of the variation of the geometry mentioned in the above-mentioned patent application is not sufficient space available
Furthermore, this geometric change cannot preclude the formation of crossed, approximately straight joint lines in the material

Method used

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Embodiment Construction

[0034] figure 1 A cross-sectional view through the axis of the drum at right angles to the tub side wall manufactured in one piece using the injection molding method is shown. The embodiment shown in this figure comprises a side wall 10 of the tub with a bearing holder 1 for the drum shaft, a transition area 5 to the cylindrical tub shell, for engaging and screwing the tub shell The retainer 12 and the molded reinforcing rib 9. The thickness of the side walls 10 as well as the height of the reinforcing ribs 9 decrease from the bearing holder 1 to the tub shell for strength reasons. The tub side wall 10 has three joint lines 2 extending radially outward from the bearing holder 1 to the edge in a straight line. Bonding wires 2 are shown in dashed lines in all figures.

[0035] figure 2 A top view of the tub side wall 10 is shown. In this view, the buckets provided here are no different than those of prior embodiments. Special features of the bondline 2 that characterizes ...

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PUM

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Abstract

The invention particularly relates to a plastic container, and discloses a plastic bucket. Joint lines exist due to the manufacturing process, and the joint lines are especially generated by means of a plurality of injection ports in the injection molding process. The component is characterized in that the joint lines are prolonged, and the shapes of the joint lines are changed. Especially by being perpendicular to tension, intersection lines of the joint lines have deformation, so that a bell shape is formed, or the intersection lines are broken in some areas. A similar component has increased strength in the areas of the joint lines. The risk of forming cracks in the areas of the joint lines is minimized. In a method for manufacturing the component, feeding of plastic by means of at least one injection port in an injection molding mold is temporarily carried out at decreased pressure or temporarily interrupted. Control is carried out through a valve in a feed pipeline leading to the injection molding mold. Time planning for control is determined through simulation or according to experience. Existing equipment and tools can be used for the method, and no additional investment is needed.

Description

[0001] This application is an invention patent with an application date of December 14, 2009, an application number of 200980162922.X (PCT / EP2009 / 067055), and an invention title of "Plastic components, especially plastic buckets and methods for manufacturing plastic components" Divisional application of the application. technical field [0002] The invention relates to a plastic tub, a method for producing a plastic component with a joint line for a plastic tub for a washing machine or a washer / dryer, and an injection molding method for producing such a plastic component, wherein , in the injection molding process, the molten plastic is introduced into the injection molding mold by means of a plurality of spatially distributed inlets. Background technique [0003] The invention is applicable to plastic buckets and their manufacture, which are subjected to high levels of stress when used as intended. Tubs for washing machines that have a loading opening at the front with a s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/00D06F37/26
CPCB29C45/0025B29C45/0046D06F37/262D06F37/264D06F37/269
Inventor A·扎巴蒂尔C·匡特H·赖克内尔C·特恩-沃德格尔
Owner BOSCH SIEMENS HAUSGERATE GMBH