CN102371469A - Method for processing casing pipe of trampoline - Google Patents
Method for processing casing pipe of trampoline Download PDFInfo
- Publication number
- CN102371469A CN102371469A CN2010102551000A CN201010255100A CN102371469A CN 102371469 A CN102371469 A CN 102371469A CN 2010102551000 A CN2010102551000 A CN 2010102551000A CN 201010255100 A CN201010255100 A CN 201010255100A CN 102371469 A CN102371469 A CN 102371469A
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- trampoline
- processing method
- lateral margin
- flared section
- 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
Images
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention relates to a method for processing a casing pipe of a trampoline, which comprises the following steps of: bending and folding a panel into a tubular panel and forming a joint seam and performing a jointing process on the joint seam so as to acquire a casing pipe; performing a flaring process on an opening of the casing pipe, thereby endowing the casing pipe with a body and a flared section extending from the body; and applying a pressing force to the flared section, thereby forming an outer expanded part and an inner folded part of the flared section. After the casing pipe is assembled with a connecting pipe, the outer expanded part and the inner folded part can supply higher structural strength. Meanwhile, after the casing pipe is processed according to the method, whether the joint seam has defects in the outer expanded part and the inner folded part can be easily and visually judged, thereby being capable of judging whether the casing pipe is a defective product while processing, saving the time for conveying the casing pipe to a detection place and promoting manufacturing capacity of the trampoline.
Description
Technical field
The present invention relates to a kind of processing method, relate in particular to a kind of in order to detect the processing method of trampoline cover pipe manufacturer flaw.
Background technology
Trampoline is a kind of sports equipment that is used to be engaged in jumping, and the user can jump to aerial and carries out exercises by trampoline, and reaches the muscular endurance of tempering shank, the effect of promoting layup and improving the coordination ability.Except that as the general motion purposes, trampoline also is common in as in circus troupe or other the acrobatic occasion, supplies the performing artist to make specific limb action in the high-altitude, and reaches amusement spectators' purpose.
Existing trampoline such as United States Patent (USP) disclose No. 2004/0176214, No. 2006/0172861 and No. 2007/0012902; The trampoline that it disclosed all includes a spring net and a support body; This support body is to be used for supporting and fixing this spring net; And this support body is formed by a plurality of pipe fitting windings, between these pipe fittings all with the socket each other of close-fitting mode.On making, normally the mode with machining is external diameter taper decrescence with a pipe fitting near the partially-formed of opening part; Or external diameter is slightly less than the cylindric of this pipe fitting, then this pipe fitting can with the mutual socket of another pipe fitting.Generally speaking, this pipe fitting is for selecting metal material for use, and can be through integrally formed technology, for example casting, injection molding or directly obtain from metal block material processing; Perhaps, this pipe fitting can form by sheet metal, technology such as joint and obtaining.Wherein, because of its cost of integrally formed pipe fitting is comparatively expensive, therefore, industry is used more usually with the pipe fitting that is prepared by sheet metal, to save production cost.
Fig. 1 is the schematic appearance of traditional trampoline, and its support body is formed by a plurality of first pipe fittings 1 and 2 windings of second pipe fitting, to shown in Fig. 2-2, is the schematic perspective view of existing trampoline pipe fitting assembling process like Fig. 2-1.This process is for directly interconnecting this first pipe fitting 1 with this second pipe fitting 2; Wherein, This first pipe fitting 1 all utilizes the welding manner manufacturing to obtain with this second pipe fitting 2; Therefore have a soldered 3,4 respectively, and be can with this first pipe fitting, 1 mutual socket, an end of this second pipe fitting 2 is a junction 5 through the machining shaping.In when assembling, this connecting portion 5 aimed at the opening of these first pipe fittings 1 and exert pressure this first pipe fitting 1 is formed with this second pipe fitting 2 closely cooperate.Under close-fitting state, will produce the tensile stress and the compression at vertical engagement interface on this soldered 3,4 respectively, wherein, the tensile stress that joint interface can bear normally occurs in this first pipe fitting 1 much smaller than compression so damage.From the above, the interface of this soldered 3 influences the assembling quality between this first pipe fitting 1 and this second pipe fitting 2.
So, must detect this soldered 3 and whether have obvious defects, and then whether be defective products after judging this first pipe fitting 1 and this second pipe fitting 2 being connected at this first pipe fitting 1 with before this second pipe fitting 2 is connected at the assembling process of trampoline.With regard to the above-mentioned practice; The defective of this soldered 3 is less than macroscopic size, so on the way of traditional detection, need the collocation detector as the aid of judging this defective; It utilizes irradiate light in this soldered 3, observes its printing opacity thus and checks whether have defective.Yet, under mass-produced situation, if most pipe fitting all detects with said method, with the packaging efficiency that seriously reduces trampoline, and thereby increase production cost.
Summary of the invention
Main purpose of the present invention is to solve existing trampoline pipe fitting when detecting, and needs just can judge by extra auxiliary equipment the problem of its bond quality.
For achieving the above object, the present invention provides a kind of processing method of trampoline sleeve pipe, is applied to form a plurality of sleeve pipes of trampoline support body, and this method comprises:
Bending one has the sheet material of one first lateral margin and one second lateral margin, makes the involutory back of this first lateral margin and this second lateral margin between this first lateral margin and this second lateral margin, have a joint close, combines this joint close and obtains a sleeve pipe with a joint technology again;
Opening at this sleeve pipe imposes enlarging means, make this sleeve pipe comprise a body and one from this body extend and caliber greater than the flared section of this body;
This flared section is applied a press power, make this flared section form the expanding part that joins with this body and the inflexed part of inner bending on one day; And
Through the bonding state of vision-based detection means this joint close of inspection in this expanding part and this inflexed part, whether closely be connected with this second lateral margin to judge this first lateral margin.
Know that via above the processing method of trampoline sleeve pipe of the present invention is than the beneficial effect that prior art reaches:
One, the structural strength after this sleeve-assembled can be strengthened in this expanding part and this inflexed part, when receiving external impacts, can avoid this joint close to be damaged;
Two, if this sleeve pipe is a defective products because of defective appears in this joint close; Can be through this flared section be applied this press power; Make this defective become macroscopic size; Therefore can inspect the bonding state of this joint close easily with the naked eyes range estimation, not need to learn through extra checkout equipment which is a defective products, thereby improved the production capacity of cover bed;
The processing method of trampoline sleeve pipe of the present invention is integrated the processing technology of this sleeve pipe and the detection method of this joint close, so the operator can be when carrying out processing technology, therefore the flaw of this sleeve pipe of synchronous detecting reduces operation required when producing trampoline.
Description of drawings
Fig. 1 is the schematic appearance of traditional trampoline.
Fig. 2-1 is the schematic perspective view of existing trampoline pipe fitting assembling process to Fig. 2-2.
Fig. 3 is the steps flow chart sketch map of the processing method of trampoline sleeve pipe of the present invention.
Fig. 4-1 among processing method one embodiment for trampoline sleeve pipe of the present invention, prepares the schematic perspective view of this sleeve pipe to Fig. 4-2.
Fig. 5-1 is to Fig. 5-2, among processing method one embodiment for trampoline sleeve pipe of the present invention, and the generalized section that this sleeve pipe is processed.
Fig. 6, among processing method one embodiment for trampoline sleeve pipe of the present invention, this sleeve pipe carries out the schematic perspective view after the bending process.
Fig. 7, among processing method one embodiment for trampoline sleeve pipe of the present invention, this sleeve pipe carries out the schematic perspective view behind the press forming.
Fig. 8, among another embodiment of processing method for trampoline sleeve pipe of the present invention, this sleeve pipe carries out the schematic perspective view after the bending process.
Fig. 9, among processing method one embodiment for trampoline sleeve pipe of the present invention, the assembling sketch map of this sleeve pipe and this tube connector.
Figure 10, among processing method one embodiment for trampoline sleeve pipe of the present invention, this joint close produces the view of defective.
The reference numeral explanation:
1............. first pipe fitting
2............. second pipe fitting
3............. soldered
4............. soldered
5.............. connecting portion
10............. sheet material
11............. first lateral margin
12............. second lateral margin
20............. sleeve pipe
21............. joint close
22............. opening
23............. body
24............. flared section
241............ expanding part
242............ inflexed part
25............. defective
30............. tube connector
31............. joint close
32............. body
33............. connect the section of establishing
S10............ form the sleeve pipe step
S20............ sleeve pipe is carried out the enlarging procedure of processing
S30............ sleeve pipe is carried out the bending process step
S40............ check the sleeve engages state step
The specific embodiment
The detailed description of the processing method of relevant trampoline sleeve pipe of the present invention and technology contents, as follows with regard to the conjunction with figs. explanation at present:
Please consult Fig. 3 earlier, the steps flow chart sketch map for the processing method of trampoline sleeve pipe of the present invention comprises that step has:
One forms sleeve pipe step (S10); Bending one has the sheet material of one first lateral margin and one second lateral margin; Make the involutory back of this first lateral margin and this second lateral margin between this first lateral margin and this second lateral margin, have a joint close, combine this joint close and obtain a sleeve pipe with a joint technology again;
A pair of sleeve pipe carries out enlarging procedure of processing (S20), imposes enlarging means at an opening of this sleeve pipe, make this sleeve pipe comprise a body and one from this body extend and caliber greater than the flared section of this body;
A pair of sleeve pipe carries out bending process step (S30), and this flared section is applied a press power, makes this flared section form the expanding part that joins with this body and the inflexed part of inner bending on one day; And
Whether one inspection sleeve engages state step (S40) through the bonding state of vision-based detection means this joint close of inspection in this reflexed section, closely is connected with this second lateral margin to judge this first lateral margin.
Be the steps flow chart of the processing method of conveniently understanding the invention described above trampoline sleeve pipe, please with reference to the explanation of following embodiment:
See also Fig. 4-1 to Fig. 4-2, among processing method one embodiment for trampoline sleeve pipe of the present invention, prepare the schematic perspective view of this sleeve pipe; One sheet material 10 is provided earlier; This sheet material 10 has one first lateral margin 11 and one second lateral margin 12, and this sheet material 10 bends the shape to a synthetic sleeve pipe 20 through the mode of bending machining, and for example folder capable of using, stamping machine, veneer reeling machine or other similar board are processed; In the present embodiment, this sleeve pipe 20 is a circular body.After this sheet material 10 is shaped; Between this first lateral margin 11 and this second lateral margin 12, has a joint close 21; Then; Carry out a joint technology again this first lateral margin 11 is mutually combined with this second lateral margin 12, and obtain this sleeve pipe 20, this joint technology can be selected technologies such as soft soldering, hard solder, arc welding, laser welding or diffusion bond according to these sheet material 10 employed materials.
See also Fig. 5-1 to Fig. 5-2; Among processing method one embodiment for trampoline sleeve pipe of the present invention; The generalized section that this sleeve pipe is processed, obtain this sleeve pipe 20 after, impose enlarging means at an opening 22 of this sleeve pipe 20; Make this sleeve pipe 20 comprise a body 23 and a flared section 24 from these body 23 extensions, the caliber of this flared section 24 is greater than the caliber of this body 23.Wherein, these enlarging means stamping machine capable of using carries out a Sheet Metal Forming Technology; Or with the completion of enlarging forming machine, in the present embodiment, the caliber of this flared section 24 axially increases along this sleeve pipe 20 gradually, and according to employed process equipment, this flared section 24 also can be configured as cylindric or taper.Next, this flared section 24 is applied a press power, make this flared section 24 shown in Fig. 5-2; Form an expanding part 241 and an inflexed part 242; This expanding part 241 joins with this body 23, and this inflexed part 242 then is the internal bend towards this sleeve pipe 20, makes the inwall of this sleeve pipe 20 form an annular recess; Wherein, the internal diameter of this inflexed part 242 is less than the size of these expanding part 241 outer rims; And the caliber of this inflexed part 242 axially reduces along this sleeve pipe 20 gradually.In one embodiment of this invention, these enlarging means with apply this press power and can on same stamping machine, carry out.
In the present invention, the prepared sleeve pipe 20 that goes out can be variform.With embodiment illustrated in fig. 6, this sleeve pipe 20 presents the structure of circular body; Perhaps, for possessing preferable resistance to pressure, be example with form shown in Figure 7, this sleeve pipe 20 is by two planes that are parallel to each other up and down, and at this pipe structure of being formed of left and right sides cambered surface between two planes up and down; In addition, this sleeve pipe 20 also can be as shown in Figure 8, presents the structure of a square body.
This sleeve pipe 20 via above processing technology after, can observe the bonding state of this joint close 21 in this expanding part 241 and this inflexed part 242 through vision-based detection means, whether closely be connected with this second lateral margin 12 to judge this first lateral margin 11.These vision-based detection means can be the operator and check directly with naked eyes whether defectiveness generates this joint close 21; Or an image capture equipment capable of using obtains the image of this joint close 21, judges whether defectiveness existence of this joint close 21 by the operator through this image again.In practical operation, exist if on this joint close 21, can't see any defective, 20 of this sleeve pipes are judged as good article; And can proceed follow-up packaging technology; As shown in Figure 9, among processing method one embodiment for trampoline sleeve pipe of the present invention, the assembling sketch map of this sleeve pipe and this tube connector.If observing defectiveness on this joint close 21, the operator exists; Shown in figure 10, among processing method one embodiment for trampoline sleeve pipe of the present invention, this joint close produces the view of defective; Wherein, This sleeve pipe 20 produces a defective 26 at this joint close 21 forming these reflexed section 25 backs, will judge that this sleeve pipe 20 is a defective products this moment, and throws aside this sleeve pipe 20 or this sleeve pipe 20 carried out this joint technology again.
Please continue to consult Fig. 9, when trampoline is assembled, if assert that after these vision-based detection means are judged this sleeve pipe 20 is good article; This sleeve pipe 20 will be connected with a tube connector 30; In the present embodiment, the preparation method of this tube connector 30 and this sleeve pipe 20 are similar, so this tube connector 30 also forms a joint close 31 when being shaped; And this tube connector 30 comprises a body 32 and and connects the section of establishing 33 from what this body 32 extended; This caliber that connects the section of establishing 33 is less than this body 32, and when assembling, this sleeve pipe 20 can close-fitting mode interconnect with this tube connector 30.When this sleeve pipe 20 and this tube connector 30 in use produce collision to each other or directly receive external force collision, the structure of being made up of this expanding part 241 and this inflexed part 242 will help to prevent that this joint close 21 is damaged.In addition, according to actual user demand, this tube connector 30 also can directly select for use a caliber between the external diameter of this body 23 and the body between the internal diameter, does not connect the section of establishing 33 and do not need that this tube connector 30 is processed to form this.
In sum; The processing method of trampoline sleeve pipe of the present invention; Mainly be before this sleeve pipe and the assembling of this tube connector; Opening to this sleeve pipe carries out enlarging and bending process, makes that the defective at this joint close can become macroscopic size, lets the operator be easy to distinguish that with naked eyes it is defective products or is good article.So on production line; The operator only need pass through simple machining process, can choose defective products immediately, does not check and do not need again this sleeve pipe to be delivered to other checkout equipment; And after inspection, just send into following one technology; Thereby reduced the required time of trampoline assembling, reduce its production cost, and improve production capacity.In addition, the structure of this expanding part and this inflexed part also will improve the intensity after the assembling of this sleeve pipe and this tube connector.
Below the present invention is done a detailed description, the above is merely preferred embodiment of the present invention, can not limit the scope that the present invention implements.Be all equal variations of doing according to protection domain of the present invention and modification etc., all should still belong in protection scope of the present invention.
Claims (10)
1. the processing method of a trampoline sleeve pipe is applied to form a plurality of sleeve pipes of trampoline support body, it is characterized in that this method comprises:
Bending one has the sheet material (10) of one first lateral margin (11) and one second lateral margin (12); Make the involutory back of this first lateral margin (11) and this second lateral margin (12) between this first lateral margin (11) and this second lateral margin (12), have a joint close (21), combine this joint close (21) and obtain a sleeve pipe (20) with a joint technology again;
Opening (22) at this sleeve pipe (20) imposes enlarging means, make this sleeve pipe (20) comprise a body (23) with one from this body (23) extend and caliber greater than the flared section (24) of this body (23);
This flared section (24) is applied a press power, make this flared section (24) form the expanding part (241) that joins with this body (23) and the inflexed part (242) of inner bending on one day; And
Through the bonding state of vision-based detection means these joint closes of inspection (21) in this expanding part (241) and this inflexed part (242), whether closely be connected with this second lateral margin (12) to judge this first lateral margin (11).
2. the processing method of trampoline sleeve pipe according to claim 1 is characterized in that these enlarging means carry out a Sheet Metal Forming Technology to form this flared section (24) for the opening (22) to this sleeve pipe (20).
3. the processing method of trampoline sleeve pipe according to claim 1 is characterized in that caliber axially the increasing gradually along this sleeve pipe (20) of this flared section (24).
4. the processing method of trampoline sleeve pipe according to claim 1 is characterized in that caliber axially the reducing gradually along this sleeve pipe (20) of this inflexed part (242).
5. the processing method of trampoline sleeve pipe according to claim 1 is characterized in that the size of the internal diameter of this inflexed part (242) less than this expanding part (241) outer rim.
6. the processing method of trampoline sleeve pipe according to claim 1 is characterized in that these vision-based detection means are for checking directly with naked eyes whether defectiveness (25) generates this joint close (21).
7. the processing method of trampoline sleeve pipe according to claim 1 is characterized in that these vision-based detection means for to obtain the image of this joint close (21) with an image capture equipment, and checks whether defectiveness (25) generates this joint close (21).
8. the processing method of trampoline sleeve pipe according to claim 1 is characterized in that this sleeve pipe (20) is a circular body.
9. the processing method of trampoline sleeve pipe according to claim 1 is characterized in that this sleeve pipe (20) is a square body.
10. the processing method of trampoline sleeve pipe according to claim 1 is characterized in that this sleeve pipe (20) by two planes that are parallel to each other up and down, and at this pipe structure of being formed of left and right sides cambered surface between two planes up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102551000A CN102371469A (en) | 2010-08-17 | 2010-08-17 | Method for processing casing pipe of trampoline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102551000A CN102371469A (en) | 2010-08-17 | 2010-08-17 | Method for processing casing pipe of trampoline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102371469A true CN102371469A (en) | 2012-03-14 |
Family
ID=45791004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102551000A Pending CN102371469A (en) | 2010-08-17 | 2010-08-17 | Method for processing casing pipe of trampoline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102371469A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4163886A (en) * | 1976-09-16 | 1979-08-07 | Hitachi, Ltd. | Control apparatus for an automatic pipe welder |
| JPS57139482A (en) * | 1981-02-20 | 1982-08-28 | Nippon Kokan Kk <Nkk> | Welding head input controlling method in case when welded tube is manufactured |
| CN1072359A (en) * | 1992-12-11 | 1993-05-26 | 江都县钢管一厂 | The cold expansion process of large-diameter thin-wall seamless steel pipe |
| US5267381A (en) * | 1991-02-19 | 1993-12-07 | Westinghouse Electric Corp. | Automatic tube processing system |
| JP2000271743A (en) * | 1999-03-26 | 2000-10-03 | Hitachi Metals Ltd | Weld zone inspecting method, its inspecting device and welded pipe for piping |
| CN1475693A (en) * | 2002-08-13 | 2004-02-18 | 王新德 | Pipeline connection technology and connecting piped element |
| US20040176214A1 (en) * | 2003-02-25 | 2004-09-09 | Shen-Tai Industry Co., Ltd. | Connector for trampoline safety fence post |
| CN1208145C (en) * | 2000-06-30 | 2005-06-29 | 威齐格及弗兰克有限责任公司 | Method and device for producing steel, especialy stainless steel press fittings |
| US20060172861A1 (en) * | 2005-01-28 | 2006-08-03 | Shen-Tai Industry Co., Ltd. | Small-size trampoline |
| US20070012902A1 (en) * | 2005-07-14 | 2007-01-18 | Zhiping Mo | Safety Fence and Protection Pole Connection Apparatus for Trampoline |
-
2010
- 2010-08-17 CN CN2010102551000A patent/CN102371469A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4163886A (en) * | 1976-09-16 | 1979-08-07 | Hitachi, Ltd. | Control apparatus for an automatic pipe welder |
| JPS57139482A (en) * | 1981-02-20 | 1982-08-28 | Nippon Kokan Kk <Nkk> | Welding head input controlling method in case when welded tube is manufactured |
| US5267381A (en) * | 1991-02-19 | 1993-12-07 | Westinghouse Electric Corp. | Automatic tube processing system |
| CN1072359A (en) * | 1992-12-11 | 1993-05-26 | 江都县钢管一厂 | The cold expansion process of large-diameter thin-wall seamless steel pipe |
| JP2000271743A (en) * | 1999-03-26 | 2000-10-03 | Hitachi Metals Ltd | Weld zone inspecting method, its inspecting device and welded pipe for piping |
| CN1208145C (en) * | 2000-06-30 | 2005-06-29 | 威齐格及弗兰克有限责任公司 | Method and device for producing steel, especialy stainless steel press fittings |
| CN1475693A (en) * | 2002-08-13 | 2004-02-18 | 王新德 | Pipeline connection technology and connecting piped element |
| US20040176214A1 (en) * | 2003-02-25 | 2004-09-09 | Shen-Tai Industry Co., Ltd. | Connector for trampoline safety fence post |
| US20060172861A1 (en) * | 2005-01-28 | 2006-08-03 | Shen-Tai Industry Co., Ltd. | Small-size trampoline |
| US20070012902A1 (en) * | 2005-07-14 | 2007-01-18 | Zhiping Mo | Safety Fence and Protection Pole Connection Apparatus for Trampoline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2617551A3 (en) | Apparatus and method for making bag assembly | |
| CN104999221B (en) | The preparation method of the snake bone device of endoscope | |
| RU2010152455A (en) | METHOD FOR INSTALLING DOME SEALED BULKHEAD IN THE BACK OF THE AIRCRAFT AND DEVICE FOR IMPLEMENTING THIS METHOD | |
| US20120054999A1 (en) | Method of fabricating sleeves for trampolines | |
| CN103182633A (en) | Split-type automobile rear-axle housing assembly welding method | |
| CN105728627A (en) | Plate flat bottom riveting connection process for flip-in rivets with bulges at centers | |
| CN201543966U (en) | Stirring head for friction stir welding | |
| CN102371469A (en) | Method for processing casing pipe of trampoline | |
| KR100991051B1 (en) | Flaring expander | |
| KR20120005930U (en) | Apparatus for press-connecting pipes | |
| EP2428289B1 (en) | Method of fabricating sleeves for trampolines | |
| CN203751022U (en) | Steel tube welding and molding device | |
| CN103726576B (en) | By interfacing part and the method thereof of axial star plate docking steel pipe | |
| CN207057918U (en) | A kind of line hook weld jig | |
| CN207127427U (en) | A kind of bounce bed short tube reinforced sheet welding fabrication frock | |
| CN104307928B (en) | A kind of device for verifying seamless steel pipe cylindrical | |
| CN104607813B (en) | The multiple operator equipment of board putting things after a kind of automobile | |
| CN110441134A (en) | The clamping tooling and detection method of cross spot welding workpiece tensile property detection | |
| CN203592259U (en) | Welding fixture of upper machine frame part of rice and wheat harvester | |
| KR102384405B1 (en) | Rod-shaped pipe connection method | |
| CN205519448U (en) | Simplex preface air conditioner pipe bolt is upset and is met forming die | |
| CN104289624A (en) | Two ends flaring forming technique of cylindrical barrels | |
| CN108237369A (en) | A kind of vehicle right and left side-wall inner-plate forepart assembly positions clamping tool with left part | |
| KR101662124B1 (en) | Pipe jig used in welded | |
| CN102778459A (en) | Trousers inspection machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120314 |