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Method of manufacturing cut stem, cut stem manufacturing apparatus, and cut stem
US10426189B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10426189-B2 |
| Application number | US-201314038444-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 26, 2013 |
| Priority date | Mar 29, 2011 |
| Publication date | Oct 1, 2019 |
| Grant date | Oct 1, 2019 |
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Abstract
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Method of manufacturing a cut stem with increased filling capacity comprises tearing a rod-like stem material having a water content of 20 to 50% by weight, shredding the torn rod-like stem material, and subjecting the rod-like cut stem material to expansion treatment.
First claim
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What is claimed is: 1. A cut stem manufacturing method comprising: tearing a rod-like stem material having a water content of 20 to 50% by weight; shredding the torn rod-like stem material; and subjecting the rod-like cut stem material to expansion treatment, wherein the rod-like stem material is torn by passing the rod-like stem material between two rollers rotating in opposite directions at different speeds. 2. The cut stem manufacturing method according to claim 1 , further comprising: wetting and swelling the rod-like stem material after the shredding and before the subjecting the expansion treatment. 3. The cut stem manufacturing method according to claim 2 , wherein the wetting and swelling is performed such that the rod-like stem material has a water content of 15 to 50% by weight. 4. The cut stem manufacturing method according to claim 1 , further comprising humidifying the torn rod-like stem material before shredding. 5. The cut stem manufacturing method according to claim 4 , further comprising humidifying the shredded rod-like stem material before expansion. 6. The cut stem manufacturing method according to claim 1 , further comprising humidifying the shredded rod-like stem material before expansion.
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Frequently asked questions
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- What does patent US10426189B2 cover?
- Method of manufacturing a cut stem with increased filling capacity comprises tearing a rod-like stem material having a water content of 20 to 50% by weight, shredding the torn rod-like stem material, and subjecting the rod-like cut stem material to expansion treatment.
- Who is the assignee on this patent?
- Japan Tobacco Inc
- What technology area does this patent fall under?
- Primary CPC classification A24B5/16. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Oct 01 2019 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).