TWI351327B - - Google Patents

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Publication number
TWI351327B
TWI351327B TW98104268A TW98104268A TWI351327B TW I351327 B TWI351327 B TW I351327B TW 98104268 A TW98104268 A TW 98104268A TW 98104268 A TW98104268 A TW 98104268A TW I351327 B TWI351327 B TW I351327B
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TW
Taiwan
Prior art keywords
metal block
mold
forging
groove
end portion
Prior art date
Application number
TW98104268A
Other languages
English (en)
Chinese (zh)
Other versions
TW201029769A (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to TW98104268A priority Critical patent/TW201029769A/zh
Publication of TW201029769A publication Critical patent/TW201029769A/zh
Application granted granted Critical
Publication of TWI351327B publication Critical patent/TWI351327B/zh

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  • Forging (AREA)
TW98104268A 2009-02-11 2009-02-11 A manufacturing method for forge billet of a hollow crank of a bicycle TW201029769A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW98104268A TW201029769A (en) 2009-02-11 2009-02-11 A manufacturing method for forge billet of a hollow crank of a bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW98104268A TW201029769A (en) 2009-02-11 2009-02-11 A manufacturing method for forge billet of a hollow crank of a bicycle

Publications (2)

Publication Number Publication Date
TW201029769A TW201029769A (en) 2010-08-16
TWI351327B true TWI351327B (fr) 2011-11-01

Family

ID=44854128

Family Applications (1)

Application Number Title Priority Date Filing Date
TW98104268A TW201029769A (en) 2009-02-11 2009-02-11 A manufacturing method for forge billet of a hollow crank of a bicycle

Country Status (1)

Country Link
TW (1) TW201029769A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104826982A (zh) * 2014-02-11 2015-08-12 巧新科技工业股份有限公司 中空零件成型方法
US11142280B2 (en) 2016-03-24 2021-10-12 The Hive Global, Inc. Bicycle crank with spindle attachment structure
US11351815B2 (en) 2017-08-21 2022-06-07 The Hive Global, Inc. Bicycle cassette with clamping connection
US11485449B2 (en) 2015-09-01 2022-11-01 The Hive Global, Inc. Bicycle cassette with locking connection
US11932351B2 (en) 2020-07-17 2024-03-19 The Hive Global, Inc. Conical bicycle cassette sprocket structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104826982A (zh) * 2014-02-11 2015-08-12 巧新科技工业股份有限公司 中空零件成型方法
US11485449B2 (en) 2015-09-01 2022-11-01 The Hive Global, Inc. Bicycle cassette with locking connection
US11142280B2 (en) 2016-03-24 2021-10-12 The Hive Global, Inc. Bicycle crank with spindle attachment structure
US11351815B2 (en) 2017-08-21 2022-06-07 The Hive Global, Inc. Bicycle cassette with clamping connection
US11932351B2 (en) 2020-07-17 2024-03-19 The Hive Global, Inc. Conical bicycle cassette sprocket structure

Also Published As

Publication number Publication date
TW201029769A (en) 2010-08-16

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MM4A Annulment or lapse of patent due to non-payment of fees