Casting mold and cast article produced using the same

US9498818B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9498818-B2
Application numberUS-201314409203-A
CountryUS
Kind codeB2
Filing dateAug 2, 2013
Priority dateAug 10, 2012
Publication dateNov 22, 2016
Grant dateNov 22, 2016

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A casting mold includes a carbon film with which at least a surface of the casting mold which forms a cavity is covered, and mold oil with which a surface of the carbon film is coated. In the casting mold, aluminum powder is added to the mold oil.

First claim

Opening claim text (preview).

The invention claimed is: 1. A casting mold comprising: a carbon film with which at least a surface of the casting mold which forms a cavity is covered; and a mold oil with which a surface of the carbon film is coated, wherein an aluminum powder is added to the mold oil. 2. The casting mold according to claim 1 , wherein the aluminum powder comprises flake aluminum particles. 3. The casting mold according to claim 1 , wherein a graphite powder is further added to the mold oil. 4. The casting mold according to claim 3 , wherein the graphite powder comprises flake graphite particles. 5. The casting mold according to claim 3 , wherein the mold oil contains 10 to 34 mass % of the aluminum powder, 24 mass % or less of the graphite powder, and 40 to 64 mass % of refined mineral oil having a heatproof temperature of 250° C. or higher. 6. The casting mold according to claims 1 , wherein the carbon film contains at least one type of nanocarbons selected from the group consisting of carbon nanocoils, carbon nanotubes, and carbon nanofilaments. 7. A cast article produced by using the casting mold according to claim 1 .

Assignees

Inventors

Classifications

  • Alloys based on aluminium · CPC title

  • Methods or apparatus for cleaning or lubricating moulds · CPC title

  • Permanent moulds for shaped castings (moulds for ingots B22D7/06) · CPC title

  • Casting aluminium or magnesium {(no material; see B22D21/007)} · CPC title

  • B22C3/00Primary

    Selection of compositions for coating the surfaces of moulds, cores, or patterns · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US9498818B2 cover?
A casting mold includes a carbon film with which at least a surface of the casting mold which forms a cavity is covered, and mold oil with which a surface of the carbon film is coated. In the casting mold, aluminum powder is added to the mold oil.
Who is the assignee on this patent?
Koyama Tomohiro, Ozaki Motoaki, Furukawa Yuichi, and 3 more
What technology area does this patent fall under?
Primary CPC classification B22C3/00. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Nov 22 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).