JPS63182827U - - Google Patents
Info
- Publication number
- JPS63182827U JPS63182827U JP2696287U JP2696287U JPS63182827U JP S63182827 U JPS63182827 U JP S63182827U JP 2696287 U JP2696287 U JP 2696287U JP 2696287 U JP2696287 U JP 2696287U JP S63182827 U JPS63182827 U JP S63182827U
- Authority
- JP
- Japan
- Prior art keywords
- diameter
- screw tap
- inclined straight
- arc
- male thread
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Description
第１図はねじタツプの全体図、第２図は本考案
に係るネジタツブで雌ねじを加工している状態図
、第３図は雌ねじと雄ねじを螺合させた状態図、
第４図は従来形の雌ねじと雄ねじが螺合している
状態図、第５図をひつかかり率の説明用図である
。
尚図面中、１はねじタツプ、３はねじタツプの
傾斜直線部、４はねじタツプの谷底円弧部、２０
は雄ねじ、Ｒはねじタツプの谷底円弧部の半径、
ｒは雄ねじの谷底円弧部の半径である。
Fig. 1 is an overall view of the screw tap, Fig. 2 is a state diagram in which a female thread is being processed using the screw tab according to the present invention, and Fig. 3 is a state diagram in which a female thread and a male thread are screwed together.
FIG. 4 is a diagram showing a state in which a conventional female thread and a male thread are screwed together, and FIG. 5 is a diagram for explaining the binding rate. In the drawing, 1 is the screw tap, 3 is the inclined straight part of the screw tap, 4 is the bottom arc of the screw tap, and 20 is the screw tap.
is the male thread, R is the radius of the bottom arc of the screw tap,
r is the radius of the root arc of the male thread.
補正 昭６３．６．２８
図面の簡単な説明を次のように補正する。
明細書第１０頁第１９行目「第５図を」とある
を「第５図は」に訂正する。Amendment June 28, 1983 The brief description of the drawing is amended as follows. On page 10, line 19 of the specification, the phrase ``Figure 5'' is corrected to ``Figure 5''.
Claims (1)
じ切り傾斜直線部と、 該傾斜直線部間を凹円弧状に結び、この円弧の
径が雄ねじの谷底円弧の径より大きいねじ切り谷
底円弧部とを有することを特徴とするねじタツプ
。[Scope of Claim for Utility Model Registration] Thread cutting with an inclined straight part that can cut threads with approximately 100% snag rate, and a concave arc connecting the inclined straight parts, the diameter of which is larger than the diameter of the root arc of the male thread. A screw tap characterized by having a bottom arc portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2696287U JPS63182827U (en) | 1987-02-25 | 1987-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2696287U JPS63182827U (en) | 1987-02-25 | 1987-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63182827U true JPS63182827U (en) | 1988-11-25 |
Family
ID=30828551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2696287U Pending JPS63182827U (en) | 1987-02-25 | 1987-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63182827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997026106A1 (en) * | 1996-01-16 | 1997-07-24 | Daishowa Seiki Co., Ltd. | Screw tap and female screw forming method |
-
1987
- 1987-02-25 JP JP2696287U patent/JPS63182827U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997026106A1 (en) * | 1996-01-16 | 1997-07-24 | Daishowa Seiki Co., Ltd. | Screw tap and female screw forming method |
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