Device and method for producing component made of plastic, and component made of plastic
A technology for parts, plastics, applied in the field of household appliances or containers, which can solve problems such as being expensive, compromising transparency or scratching it, and laborious assembly time
Pending Publication Date: 2021-06-22
DELONGHI APPLIANCES S R L CON UNICO SOCIO
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- Abstract
- Description
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- Application Information
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Problems solved by technology
[0016] These methods are onerous in terms of assembly time, require a large number of processing steps, including manual steps, and also require particularly expensive measures to ensure an airtight seal of the window
[0017] There is also a disadvantage that the assembly process of the elements that make up the window can destroy the element itself, impairing its transparency or scratching it
[0018] Another disadvantage is that the holes of the molded part and the transparent element may not be perfectly complementary or aligned during the assembly step, leading to production scrap or leakage of liquid and / or dust into the final product
Method used
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experiment example
[0219] The applicant has conducted experimental tests to confirm that the injection and cooling temperatures T1, T2, T3, T4 and injection pressures P1 and P2 can be within the considered range according to the thicknesses S1 and S2 of the first layer 11 and the second layer 12 change due to the difference
[0220] Table 1 shows possible ratios between working temperature and pressure that can be used in the first and second injection steps, said ratios being related to the ratio between the thicknesses S1 , S2 .
[0221] Table 1:
[0222]
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The embodiments described herein relate to a method and a device for producing a component made of plastic, and to a component made of plastic, suitable as a receptacle or housing for a household appliance or a container. The component includes a first layer; and a second layer at least partially covering the first layer. According to the invention, at least one defect in the prior art can be overcome.
Description
technical field [0001] The invention relates to a device and a method for producing a body made of plastic material with at least one transparent area, such as a window, allowing to view the interior of the body itself, a peripheral strip or otherwise. [0002] The component is particularly suitable as a housing or housing for household appliances, such as kettles, toasters, vacuum cleaners, coffee makers, blenders, irons and the like. [0003] The invention also relates to a part made of plastic material and a household appliance or container comprising said part. Background technique [0004] In the background art in the field of household appliances, it is known to manufacture parts or finished products with two or more layers of plastic material at least partially overlapping each other in order to provide a defined aesthetic appearance. These parts may be used to form the outer structure of an artifact or object, such as, but not limited to, household appliances for us...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B29C45/16B29C45/77B29C45/78B29C45/72B29B13/02B29C45/73A47J27/21A47J37/08B32B3/08B32B3/26B32B3/30B32B27/08B32B27/32
CPCB29C45/1615B29C45/77B29C45/78B29C45/72B29C45/73B29B13/022A47J27/21041A47J37/08B32B27/32B32B27/08B32B3/30B32B3/266B32B3/263B32B3/08B29C2945/76498B29C2945/76531B32B2250/242B29C45/0001B29C2045/1681B29K2995/0025B29K2995/0026B29L2031/762A47J27/21A47G19/12B29C45/33B29C45/16B29C45/2608A47J47/14A47J36/02
Inventor 雷佐·马佐尼西尔维奥·维森丁
Owner DELONGHI APPLIANCES S R L CON UNICO SOCIO
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