TW474224U - Improved structure for tapping device of outer screw threads - Google Patents

Improved structure for tapping device of outer screw threads

Info

Publication number
TW474224U
TW474224U TW90203829U TW90203829U TW474224U TW 474224 U TW474224 U TW 474224U TW 90203829 U TW90203829 U TW 90203829U TW 90203829 U TW90203829 U TW 90203829U TW 474224 U TW474224 U TW 474224U
Authority
TW
Taiwan
Prior art keywords
screw threads
improved structure
outer screw
tapping device
tapping
Prior art date
Application number
TW90203829U
Other languages
Chinese (zh)
Inventor
Wen-Liang Chen
Original Assignee
Wen-Liang Chen
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 by Wen-Liang Chen filed Critical Wen-Liang Chen
Priority to TW90203829U priority Critical patent/TW474224U/en
Publication of TW474224U publication Critical patent/TW474224U/en

Links

TW90203829U 2001-03-14 2001-03-14 Improved structure for tapping device of outer screw threads TW474224U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW90203829U TW474224U (en) 2001-03-14 2001-03-14 Improved structure for tapping device of outer screw threads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW90203829U TW474224U (en) 2001-03-14 2001-03-14 Improved structure for tapping device of outer screw threads

Publications (1)

Publication Number Publication Date
TW474224U true TW474224U (en) 2002-01-21

Family

ID=21682054

Family Applications (1)

Application Number Title Priority Date Filing Date
TW90203829U TW474224U (en) 2001-03-14 2001-03-14 Improved structure for tapping device of outer screw threads

Country Status (1)

Country Link
TW (1) TW474224U (en)

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MM4K Annulment or lapse of a utility model due to non-payment of fees