Active last for forming an article of footwear
US-2025091308-A1 · Mar 20, 2025 · US
Method for manufacturing footwear last, and footwear last manufactured by the method
US8968633B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8968633-B2 |
| Application number | US-81567910-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 15, 2010 |
| Priority date | May 3, 2006 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
Provided is a footwear last, being of a structure where its interior is hollow. The method includes steps of installing a parison for manufacturing a plastic vessel between left/right molds for manufacturing the footwear last, with the left/right molds opened; injecting a last manufacturing material into a tube of the parison; blowing air while closing the left/right molds; molding the material in a temperature of about 400 C to 70° C. and under an injection pressure of about 600 kg/cm 2 to 1400 kg/cm 2 ; and completing the last whose interior is hollow.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for manufacturing a footwear last wherein the footwear last is manufactured by an injection blow molding method, the method comprising steps of: installing a parison for manufacturing a plastic vessel between left/right molds for manufacturing the footwear last, with the left/right molds opened; injecting a last manufacturing material into a tube of the parison; blowing air while closing the left/right molds; molding the material in a te…
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- A43D3/00Primary
Human Necessities · mapped topic
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Frequently asked questions
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- What does patent US8968633B2 cover?
- Provided is a footwear last, being of a structure where its interior is hollow. The method includes steps of installing a parison for manufacturing a plastic vessel between left/right molds for manufacturing the footwear last, with the left/right molds opened; injecting a last manufacturing material into a tube of the parison; blowing air while closing the left/right molds; molding the material…
- Who is the assignee on this patent?
- Yoon Kyoo-Heung, Chon Yong-Joo, Kim Sin-Woo, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification A43D3/00. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Mar 03 2015 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).