JPS5530353A - Production of ploughing pawl - Google Patents
Production of ploughing pawlInfo
- Publication number
- JPS5530353A JPS5530353A JP10317078A JP10317078A JPS5530353A JP S5530353 A JPS5530353 A JP S5530353A JP 10317078 A JP10317078 A JP 10317078A JP 10317078 A JP10317078 A JP 10317078A JP S5530353 A JPS5530353 A JP S5530353A
- Authority
- JP
- Japan
- Prior art keywords
- side edge
- blanks
- camber
- ploughing
- amount
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Abstract
PURPOSE: To improve yield, lower cost and obtain ploughing pawls inexpensively by inserting unit blanks in a pair in rolling rolls to form blade part on one side edge and at the same time guiding the amount of camber on the other side edge to a guide member thereby defining the same.
CONSTITUTION: A strip plate material of rectangular strip form is cut to two single blanks 8 without any waste, and these signal blanks 8 are inserted between the lower roll 10 and upper roll 9 constituted to semicircular form and having blade- forming taper parts 11 by way of guide members 13, 14 until they contact a stopper 12. Next, the rolls 9, 10 are rotated in the arrow c, d directions to form a blade part 4 on one side edge in the width direction of the blanks 8. At this time, a camber is produced toward the other side edge in the width direction and therefore the guide member 14 is contacted to the other side edge to guide the same in the arrow e direction and define the amount of camber to the specified amount. Mounting holes 3 are opened and the work is bent in L form along the bending line 17, whereby the ploughing pawl 1 is obtained more simply and easily as compared to conventional methods.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10317078A JPS5918143B2 (en) | 1978-08-22 | 1978-08-22 | Method for manufacturing tilling claws |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10317078A JPS5918143B2 (en) | 1978-08-22 | 1978-08-22 | Method for manufacturing tilling claws |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5530353A true JPS5530353A (en) | 1980-03-04 |
JPS5918143B2 JPS5918143B2 (en) | 1984-04-25 |
Family
ID=14347023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10317078A Expired JPS5918143B2 (en) | 1978-08-22 | 1978-08-22 | Method for manufacturing tilling claws |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5918143B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10381626B2 (en) | 2014-11-05 | 2019-08-13 | Asahi Kasei Kabushiki Kaisha | Heat-resistant synthetic resin microporous film and method for producing the same |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0571648U (en) * | 1992-02-28 | 1993-09-28 | 株式会社日立ホームテック | Combustor supply and exhaust stack |
-
1978
- 1978-08-22 JP JP10317078A patent/JPS5918143B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10381626B2 (en) | 2014-11-05 | 2019-08-13 | Asahi Kasei Kabushiki Kaisha | Heat-resistant synthetic resin microporous film and method for producing the same |
Also Published As
Publication number | Publication date |
---|---|
JPS5918143B2 (en) | 1984-04-25 |
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