Impact forming device and method for local small features on metal thin-walled curved-surface part
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Feb 13, 2024
Grant Date -
Sep 29, 2022
app pub date -
Mar 3, 2022
filing date -
Mar 24, 2021
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An impact forming device and method for local small features on a metal thin-walled curved-surface part. The impact forming device includes impact forming dies, impact loading units and a forming supporting die, wherein the impact forming die is provided with an impact forming part, and the impact forming part is a convex part corresponding to a local small feature; the forming supporting die can support and fix a metal thin-walled curved-surface part without forming local small features, and the forming supporting die is provided with concave parts matched with the impact forming parts; and the impact loading unit includes a guide rail, an explosive ball and a detonating block, under the impact loading of the impact loading units, the impact forming parts can impact the metal thin-walled curved-surface part without forming local small features under the matching action of the concave parts to form the local small features.
First Claim
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
DALIAN UNVERSITY OF TECHNOLOGY | NO 2 LINGGONG ROAD GANJINGZI DISTRICT DALIAN 116024 |
International Classification(s)

- 2022 Application Filing Year
- B21D Class
- 487 Applications Filed
- 186 Patents Issued To-Date
- 38.20 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
He, Zhubin | Dalian, CN | 16 | 0 |
# of filed Patents : 16 Total Citations : 0 | |||
Zhu, Haihui | Dalian, CN | 6 | 2 |
# of filed Patents : 6 Total Citations : 2 |
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Patent Citation Ranking
- 0 Citation Count
- B21D Class
- 0 % this patent is cited more than
- 1 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Aug 13, 2027 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 13, 2031 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 13, 2035 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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