Laminated can end stock with elevated temperature annealing
US-2017326862-A1 · Nov 16, 2017 · US
Can manufacture
US9334078B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9334078-B2 |
| Application number | US-201213653735-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 17, 2012 |
| Priority date | Feb 4, 2010 |
| Publication date | May 10, 2016 |
| Grant date | May 10, 2016 |
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- Title
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Abstract
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A metal can body formed from a base stretching, drawing, and ironing process has a base having a hardness that is greater than the raw sheet, a thickness that is less than raw sheet, and a grain aspect ratio that is elongated relative to the raw sheet.
First claim
Opening claim text (preview).
What is claimed is: 1. A drawn and ironed T4 tin plate can body adapted for seaming onto a can end, the can body comprising: an ironed sidewall; an unironed, enclosed, undomed base integrally formed with the sidewall, a bottom panel of the base having an average Rockwell 30T hardness number that is more than 64. 2. The can body of claim 1 wherein average Rockwell 30T hardness number is between 64 and 70. 3. The can body of claim 1 wherein average Rockwell 30T hardness number is approximately 68. 4. The can body of claim 1 wherein the base panel has an average thickness of between about 0.006 inches and 0.015 inches. 5. The can body of claim 1 wherein the sidewall has a flange capable of being double seamed to a curl of a can end.
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Frequently asked questions
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- What does patent US9334078B2 cover?
- A metal can body formed from a base stretching, drawing, and ironing process has a base having a hardness that is greater than the raw sheet, a thickness that is less than raw sheet, and a grain aspect ratio that is elongated relative to the raw sheet.
- Who is the assignee on this patent?
- Crown Packaging Technology Inc
- What technology area does this patent fall under?
- Primary CPC classification B65D1/165. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue May 10 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).