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Methods and apparatus for manufacturing metal components with ceramic injection molding core structures

A ceramic core and component technology, applied in the field of investment casting, can solve problems such as corrosion, forming process limitations, oxidation, etc.

Inactive Publication Date: 2012-05-30
哈维苏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This specification primarily represents the current state of the art in investment casting currently available for manufacturing stainless steel universal faucets, but has severe limitations in the forming process that not only limit the functionality and aesthetics of the unit, but also require an expensive and complex second process (e.g. welding, multi-part assembly) and other steps that can introduce oxidation, corrosion, points of failure and unnecessary manufacturing costs

Method used

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  • Methods and apparatus for manufacturing metal components with ceramic injection molding core structures
  • Methods and apparatus for manufacturing metal components with ceramic injection molding core structures
  • Methods and apparatus for manufacturing metal components with ceramic injection molding core structures

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Embodiment Construction

[0022] While preferred embodiments of the invention have been shown and described herein, it will be obvious to those skilled in the art that these embodiments are given by way of example only. Various modifications, changes and substitutions will occur to those skilled in the art without departing from the scope of the present invention. It should be understood that various alternatives may be made to the embodiments of the invention described herein in practicing the invention.

[0023] figure 1 A stainless steel tap body that can be manufactured according to the invention is shown. In some embodiments, the faucet may have the body 1 as a seamless one-piece stainless steel faucet. A one-piece faucet may be integrally formed, formed in a single process step, formed without forging, or formed without grinding. The body may be formed by investment lost wax or lost foam casting. Shaping by investment casting can have many advantages. For example, investment casting may enab...

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Abstract

Preforms for use in injection blow molding processes and such processes are described herein. The preforms can have both a body and a neck wherein the external body diameter of the preform is at most 95% of the external neck diameter. The body comprises internal and external diameters that together form a sidewall, the thickness of which can be greater than 2.0 mm. Also disclosed is a mold for the injection molding of the preform described above.

Description

[0001] cross reference [0002] This application claims the benefit of priority from US Provisional Application No. 61 / 269,624, filed June 26, 2009, which is incorporated by reference in its entirety into this application. technical field [0003] This invention relates to investment casting. More specifically, the present invention relates to processes and structures formed from ceramic core patterns for use in lost-wax investment casting and capable of producing single body metal structure. Background technique [0004] Environmental concerns related to pollution and current economic developments are forcing changes in the design and manufacture of faucets traditionally constructed from soft metal alloys containing lead (Pb). Over the centuries, this traditional manufacturing process has evolved from sand casting to shell molding and even permanent molding. This process typically uses low temperature metal alloys that require casting temperatures below 1050°C. By using...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D19/04B22C9/10E03C1/042
CPCB22C9/04B22C9/103Y10T137/9464
Inventor D·孙M·W·维里麦克
Owner 哈维苏
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