CN1307221A - Heat pipe sealing method and equipment - Google Patents
Heat pipe sealing method and equipment Download PDFInfo
- Publication number
- CN1307221A CN1307221A CN 00100726 CN00100726A CN1307221A CN 1307221 A CN1307221 A CN 1307221A CN 00100726 CN00100726 CN 00100726 CN 00100726 A CN00100726 A CN 00100726A CN 1307221 A CN1307221 A CN 1307221A
- Authority
- CN
- China
- Prior art keywords
- heat pipe
- lid
- pipe sealing
- sealing device
- protection folder
- 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
Images
Landscapes
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
After the heat pipe or heat plate core and the cover plate edge are punched or sheared to form edge, a protecting metal clamp or cover is set at the edge and the inner space is filled fully. The present invention can raise the sealing and reliability as well as automation.
Description
The present invention relates to a kind of heat pipe sealing protective device and method for making thereof, be meant that especially the special preparation method of utilization produces structure and the manufacturing process that heat pipe or hot plate ora terminalis seal.
Known tubulose or tabular heat pipe all are to be applied to carry out the element that heat is transmitted with phase change (phase change), because heat pipe comprises a central layer 112 and outside jacket plates 113, no matter outside jacket plates is the dull and stereotyped of two clampings up and down or is inserted in the pipe, can both form basic framework.
But because of the requirement of heat pipe is to operate in an obturator, promptly need the four tabular limit ends and the two ends of tubulose are carried out sealing operation, the flow process of preparation method as shown in Figure 1, 2, 3 at present, adopt the mode of punching press earlier, tube edges or panel edges 111 places with a pair of bolster 8,9 opposite heat tubes 1 or hot plate 2 carry out pressing, as shown in Figure 1, or even be pressed into and have that several are wavy, then a side is cut off.
At this moment rammed edge has tight ness rating preferably, but is false sealing, and is difficult to keep permanent instructions for use.Therefore subsequent handling all is again this heat pipe to be passed through tin stove 7, and tin metal realizes sealing to make the edge be stained with partly.
Yet because its edge sealing structure is thin, the tin sticky amount is also thin, so leak easily.
And be false temporary transient involution owing to sealing, so, last tin speed is very fast, sometimes also need be aided with freezing equipment leaves from the unnecessary heat of tin stove, the destruction of opposite heat tube just can not be taken place, otherwise the effect of sealing is not finished, and instead produces HTHP in the heat pipe and bursts open because of the tin liquor high temperature of tin stove makes, and therefore can lose more than gain.
And the edge behind the pressing pressure mouth is extremely thin, shape is sharp-pointed and two ends are located more, it seals tin sticky amount layer and also approaches, be easy in the application assembling operation process of product, the assembly crewman is hurt or this heat pipe itself is collided and impaired, also the effect that easily carefully is thinner than external force because of itself edge is out of shape down, or adds man-hour also easily because of the breakage as thin as a wafer of tin sticky layer because carry out the plating or the polishing of follow-up secondary.
This shows that necessity of improvement is still arranged on known heat pipe or the hot plate finished product manufacturing process, the space of improvement is also arranged, so for more realistic demand, the inventor researches and develops, to solve known variety of issue.
In addition, another kind of processing mode shown in Fig. 4,5, Fig. 4 is a top view, because the punching press meeting makes heat pipe 2 two ends be pressed into outstanding wedge angle 21, can grip by a pair of clamping element 3,4 of utilization, with another mould 5,6 is become cone-shaped as the two ends of the side-looking among Fig. 5 with the heat pipe end back-pressure, to shorten its width, this kind mode helps enforcement of the present invention so illustrated earlier.
The object of the present invention is to provide a kind of preparation method and device of heat pipe sealing; the method for making of utilization low temperature or the change on the processing procedure; be configured in heat pipe edge at the protection folder that adds a upper shield shape; to form the round edge structure at edge; this structure decapacitation increases the seal at edge; so that the reliability in the use to be provided; and smooth and easy with the convenient various following process operations of round edge structure; and make assembly crewman or user of service can not bump injured because of mistake; integral body more can cooperate automated job to implement; and make good quality production, and the more important thing is that product is subjected to better protection, can bring into play better effect.
The object of the present invention is achieved like this: a kind of preparation method of heat pipe sealing; when the central layer of heat pipe or hot plate together with the outer ledge of outside jacket plates behind a stamping machine punching press and the basic pattern of cutting off into marginate heat pipe or hot plate; the processing procedure of its increase is: be fastened in its edge with a metal quality guarantee retaining clip or lid; press from both sides or cover the filling operation of inner space then, its space is filled up.
Filling operation wherein was meant the tin stove, and tin is inserted in folder or the lid.
Filling operation wherein is meant inserts jelly, plastic cement or glue.
A kind of preparation method of heat pipe sealing; when the central layer of heat pipe or hot plate together with the outer ledge of outside jacket plates through a stamping machine punching press with cut off into marginate heat pipe or hot plate basic pattern after; the processing procedure of its increase is: protection folder or lid with a plastic colloid are fastened in its edge; press from both sides or cover the filling operation of inner space then, its space is filled up.
After wherein heat pipe or hot plate form citation form, cross the tin stove earlier, tin is stained with in edge.
Filling operation wherein is meant inserts jelly, plastic cement or glue.
A kind of preparation method of heat pipe sealing; when the central layer of heat pipe or hot plate together with the outer ledge of outside jacket plates through a stamping machine punching press with cut off into marginate heat pipe or hot plate basic pattern after, the processing procedure of its increase is: the mode with a die casting protects portion's sealing-in in its edge one deck.
Wherein the mode of die casting is that low-temperature metal is cast from heat pipe or hot plate edge, as same protection folder or lid.
The mode of die casting wherein is to insert jelly, and plastic cement or glue cast from edge with it, as same protection folder or lid.
A kind of heat pipe sealing device, the central layer of heat pipe or hot plate together with the outside jacket plates outer ledge through a stamping machine punching press with cut off the edge part that becomes to link to each other, be fastened in its edge with a protection folder or lid, and at this protection folder or cover the inner space and be filled with seal.
Wherein protection folder or lid are metals.
Protection folder wherein or the seal in the lid are metals.
Protection folder wherein or the seal in the lid are tin.
Seal is a low-temperature metal in protection folder wherein or the lid.
Protection folder wherein or the seal in the lid are plastic cement.
Protection folder wherein or the seal in the lid are glue.
Wherein protection folder or lid have the opening that easily penetrates.
Wherein protection folder or lid have the lamellar body of both sides curved arc shape, and are held on the edge of heat pipe or hot plate.
The opening part of the protection folder wherein or the lamellar body of lid is provided with a prominent point.
Wherein the place, side is provided with a prominent point in the opening of the lamellar body of protection folder or lid.
Wherein the opening part of the lamellar body of protection folder or lid forms wavy.
Wherein the lamellar body of protection folder or lid is provided with the through hole that at least one easily sealing thing enters fast.
A kind of heat pipe sealing device, the central layer of heat pipe or hot plate together with the outer ledge of outside jacket plates through a stamping machine punching press with cut off the marginal portion that becomes to link to each other, with a seal die casting in its edge.
Wherein seal is a metal.
Seal wherein is a tin.
Wherein seal is a low-temperature metal.
Protection folder wherein or the seal in the lid are plastic cement.
Protection folder wherein or the seal in the lid are glue.
The present invention is because with the tabular or tubular heat tube edge after the punching press driving fit; cover is stamped a protection folder; this protection is held on hot plate or heat pipe edge; through encapsulating or tin stove sealing excessively; or edge's formation of directly closing with metal, plastic cement or gum cover is sealed; can increase the seal and the reliability at edge, improve automaticity.
The present invention's utilization adds the over cap that is located on the goods of commonly using, protection folder or protection portion are to form the edge of protection heat pipe and hot plate, except the sharpness and acuteness that reduce heat pipe and hot plate edge, and can allow the process of making more smooth more convenient, just increasing few construction expenditure and processing procedure, perfection with the manufactured goods of guaranteeing each heat pipe and hot plate, go up required sealing and security with use, more because with the formed structure of mode of the present invention, can allow the follow-up processing of heat pipe and hot plate and the requirement of assembling reduce, protection to the protection of machinery and product itself is better, the chance that operating personnel and user of service are hurt is reduced to minimum, so whole quality can improve, Products Quality can improve, more can the present invention be finished in continuous processing procedure with automated mechanical, just can reduce the price of product accordingly, and can guarantee that the life-span of using is longer, most particularly, can reduce many by the cost when needing on the conventional process more in the past to implement simultaneously with special cooling device, therefore, the present invention can provide good usability; Fully with known different.
The following stated is explanation of the present invention and diagram, is not to be used for limiting the invention, and relevant graphicly is:
Fig. 1 is the flanging procedure chart of existing heat pipe
Fig. 2 is the procedure chart of existing hot plate both sides flanging, shows the top view of hot plate
Fig. 3 is the procedure chart of existing hot plate both sides flanging, shows the side view of punching press
Fig. 4 is the receipts limit procedure chart of known heat pipe, shows top view
Fig. 5 is the receipts limit procedure chart of known heat pipe, shows side view
The procedure chart that Fig. 6 implements for the present invention first
The procedure chart that Fig. 7 implements for the present invention second
Fig. 8 is the stereogram that is implemented on when tabular of the present invention
Fig. 9 is the side view that is implemented on tabular two ends of the present invention
Figure 10 is first kind of side view of protection folder of the present invention
Figure 11 is second kind of side view of protection folder of the present invention
Figure 12 is the third side view of protection folder of the present invention
Figure 13 is the 4th a kind of side view of protection folder of the present invention
Figure 14 is the 4th a kind of side view of protection folder of the present invention
As Fig. 6-shown in Figure 13; be a kind of heat pipe sealing protective device of the present invention and method for making thereof; the present invention has two kinds of embodiments; as Fig. 6; this is a kind of to be that heat pipe 1 has protection folder 10, and hot plate 2 has protective sleeve 20, and for example Fig. 8; alternative heat pipe 1 or the integrated protection of place, hot plate limit formation portion 30 are as Fig. 7.
Because the present invention still continues to use aforesaid punching press and rolles over disconnected process; at this moment be distinguished into two kinds of patterns; if adopt the metal coating lid or the protection folder of metal material; its manufacturing process will be for pressing from both sides 10 or cover 20 111 places, edge that are located in heat pipe 1 or hot plate earlier; the action of using the mode of tin sticky to seal then just will have folder 10 or cover 20 pipe or the edge 111 of plate is disposed in the tin stove 7 (consulting Fig. 1), take out fast; allow tin liquor be stored within folder or the lid, in order to be full of edge.
Another kind of mode; then be protection folder or the over cap that adopts plastics; at this moment; still keeping known mode allows it cross the tin stove earlier; has preliminary hermetically enclosed property; then the folder of plastic cement or lid are located in the edge of pipe or plate; carry out the encapsulating action then; plastic cement is inserted or is poured into the material of viscose glue class; because plastic cement (plastic) or glue (glue) all have the characteristic of curing, the space between the edge of folder or lid inner face and pipe or plate can be filled up, be same as tin sticky (dip tin) action; also low-temperature metal can be pressed into, this is to have the over cap of concrete outward appearance pattern or the enforcement state of retaining clip.
Also can be for not having concrete outward appearance pattern; promptly as the structure of Fig. 7; after still can tentatively crossing the tin stove; with the mode of it utilization die casting, with low-temperature metal class seal edge envelope pressure is formed, also can press form with seals such as plastic cement or glue envelope; this is the structure that promptly need not to adopt cartridge clip; but need to note more temperature controlling on the process of processing, the heat pipe that can form with the protection structure that the mode that is shaped will be correlated with and the edge of hot plate are as being folded with the form of a protection folder with over cap.
Before shown two kinds of enforcement states of heat pipe by Fig. 6 and Fig. 7, and shown two kinds of enforcement states of hot plate again by Fig. 8 and Fig. 9, it implements the pattern pipe is identical with plate.
And protection folder 10 shows three kinds of different patterns by Figure 10 to Figure 12; the present invention's folder or lid all are the structures with clamping function; and the height of folder or lid or protection portion is unlike the thickness height of plate or pipe; and; as shown in figure 10; when its form with folder is represented, have an opening 11, and opening 11 is to be rendered as outward-dipping V shape; and press from both sides 10 integral body and have button and hold effect; so two lamellar bodies 12 of folder; 13 be shaped as is crooked, as arcuation, to produce corresponding clamping strength; just folder 10 can be buckled in the edge of pipe; in order more to increase the effect that button is held, can be provided with prominent point 14 in the interior side of nearly opening part as Figure 11, or can directly be provided with prominent point 15 in the interior side of opening part as Figure 12; directly produce better button and hold effect with prominent point 14 or 15; because the heat pipe width is little, when dipping or when filling, all be easy to.
But hot plate is because width is big; must the length of over cap 20 longer relatively; two lamellar bodies 22,23 are arranged equally; at this moment be difficult for being fills up to each corner in the lid in when dipping or when filling; as shown in figure 13; need the part of two lamellar bodies 22,23 on lid 20 (pressing from both sides identical) uniformly-spaced to be provided with sequence through hole 26; so glue of filling or tin are except flowing into from through hole from both ends flow into; can reduce with the tin stove between time of contacting; make the speed of dipping faster; the carrying out of more convenient manufacturing also makes filling process more smooth.
And for example shown in Figure 14, wherein the opening part of the lamellar body 22,23 of protection folder (lid) form wavy 27, with the increase chucking power.
The above is the detailed description of preferred embodiment of the present invention and graphic, be not to be used for limiting the present invention, all scopes of the present invention should be as the criterion with following claim, and the embodiment and the approximate construction of the spirit variation similar with it of all claims all should be included among the present invention.
Claims (28)
1, a kind of preparation method of heat pipe sealing; when the central layer of heat pipe or hot plate together with the outer ledge of outside jacket plates behind a stamping machine punching press and the basic pattern of cutting off into marginate heat pipe or hot plate; it is characterized in that: the processing procedure of its increase is: be fastened in its edge with a metal quality guarantee retaining clip or lid; press from both sides or cover the filling operation of inner space then, its space is filled up.
2, the preparation method of heat pipe sealing as claimed in claim 1 is characterized in that: filling operation wherein was meant the tin stove, and tin is inserted in folder or the lid.
3, the preparation method of heat pipe sealing as claimed in claim 1 is characterized in that: filling operation wherein is meant inserts jelly, plastic cement or glue.
4, a kind of preparation method of heat pipe sealing; when the central layer of heat pipe or hot plate together with the outer ledge of outside jacket plates through a stamping machine punching press with cut off into marginate heat pipe or hot plate basic pattern after; it is characterized in that: the processing procedure of its increase is: protection folder or lid with a plastic colloid are fastened in its edge; press from both sides or cover the filling operation of inner space then, its space is filled up.
5, the preparation method of heat pipe sealing as claimed in claim 4 is characterized in that: after wherein heat pipe or hot plate form citation form, cross the tin stove earlier, tin is stained with in edge.
6, as the preparation method of claim 4 or 5 described heat pipe sealings, it is characterized in that: filling operation wherein is meant inserts jelly, plastic cement or glue.
7, a kind of preparation method of heat pipe sealing; when the central layer of heat pipe or hot plate together with the outer ledge of outside jacket plates through a stamping machine punching press with cut off into marginate heat pipe or hot plate basic pattern after, it is characterized in that: the processing procedure of its increase is: the mode with a die casting protects portion's sealing-in in its edge one deck.
8, the preparation method of heat pipe sealing as claimed in claim 7 is characterized in that: wherein the mode of die casting is that low-temperature metal is cast from heat pipe or hot plate edge, as same protection folder or lid.
9, the preparation method of heat pipe sealing as claimed in claim 7 is characterized in that: the mode of die casting wherein is to insert jelly, and plastic cement or glue cast from edge with it, as same protection folder or lid.
10, a kind of heat pipe sealing device; the central layer of heat pipe or hot plate together with the outside jacket plates outer ledge through a stamping machine punching press with cut off the edge part that becomes to link to each other; it is characterized in that: be fastened in its edge with a protection folder or lid, and be filled with seal at this protection folder or lid inner space.
11, heat pipe sealing device as claimed in claim 10 is characterized in that: wherein protection folder or lid are metals.
12, heat pipe sealing device as claimed in claim 10 is characterized in that: protection folder wherein or the seal in the lid are metals.
13, heat pipe sealing device as claimed in claim 12 is characterized in that: protection folder wherein or the seal in the lid are tin.
14, heat pipe sealing device as claimed in claim 11 is characterized in that: seal is a low-temperature metal in protection folder wherein or the lid.
15, heat pipe sealing device as claimed in claim 11 is characterized in that: protection folder wherein or the seal in the lid are plastic cement.
16, heat pipe sealing device as claimed in claim 11 is characterized in that: protection folder wherein or the seal in the lid are glue.
17, heat pipe sealing device as claimed in claim 10 is characterized in that: wherein protection folder or lid have the opening that easily penetrates.
18, heat pipe sealing device as claimed in claim 10 is characterized in that: wherein protection folder or lid have the lamellar body of both sides curved arc shape, and are held on the edge of heat pipe or hot plate.
19, heat pipe sealing device as claimed in claim 18 is characterized in that: the opening part of the protection folder wherein or the lamellar body of lid is provided with a prominent point.
20, heat pipe sealing device as claimed in claim 19 is characterized in that: wherein the place, side is provided with a prominent point in the opening of the lamellar body of protection folder or lid.
21, heat pipe sealing device as claimed in claim 18 is characterized in that: wherein the opening part of the lamellar body of protection folder or lid forms wavy.
22, heat pipe sealing device as claimed in claim 18 is characterized in that: wherein the lamellar body of protection folder or lid is provided with the through hole that at least one easily sealing thing enters fast.
23, a kind of heat pipe sealing device, the central layer of heat pipe or hot plate together with the outer ledge of outside jacket plates through a stamping machine punching press with cut off the marginal portion that becomes to link to each other, it is characterized in that: with a seal die casting in its edge.
24, heat pipe sealing device as claimed in claim 23, it is characterized in that: wherein seal is a metal.
25, heat pipe sealing device as claimed in claim 23, it is characterized in that: seal wherein is a tin.
26, heat pipe sealing device as claimed in claim 23, it is characterized in that: wherein seal is a low-temperature metal.
27, heat pipe sealing device as claimed in claim 23 is characterized in that: protection folder wherein or the seal in the lid are plastic cement.
28, heat pipe sealing device as claimed in claim 23 is characterized in that: protection folder wherein or the seal in the lid are glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001007262A CN1182365C (en) | 2000-02-03 | 2000-02-03 | Heat pipe sealing method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001007262A CN1182365C (en) | 2000-02-03 | 2000-02-03 | Heat pipe sealing method and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1307221A true CN1307221A (en) | 2001-08-08 |
| CN1182365C CN1182365C (en) | 2004-12-29 |
Family
ID=4575642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001007262A Expired - Fee Related CN1182365C (en) | 2000-02-03 | 2000-02-03 | Heat pipe sealing method and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1182365C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296153C (en) * | 2004-05-15 | 2007-01-24 | 鸿富锦精密工业（深圳）有限公司 | Method for sealing heat pipe |
| CN100413613C (en) * | 2005-07-01 | 2008-08-27 | 郑坚地 | Heat pipe sealing structure, and its pressing method and special mould |
| WO2010060342A1 (en) * | 2008-11-03 | 2010-06-03 | Zhao Yaohua | Heat pipe with micro-pore tubes array and making method thereof and heat exchanging system |
| CN102506597A (en) * | 2008-11-03 | 2012-06-20 | 赵耀华 | Platy heat pipe and processing technology thereof |
| CN104438822A (en) * | 2013-09-24 | 2015-03-25 | 珠海格力电器股份有限公司 | Process pipeline sealing tool, process pipeline and air conditioner |
| CN111141165A (en) * | 2018-11-02 | 2020-05-12 | 昆山巨仲电子有限公司 | Sealing method and structure of vapor chamber |
| TWI736808B (en) * | 2018-11-06 | 2021-08-21 | 大陸商尼得科巨仲電子（昆山）有限公司 | Method for sealing vaper chamber and structure thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462661C (en) * | 2005-04-29 | 2009-02-18 | 捷飞有限公司 | Heat pipe pressing sealing method |
-
2000
- 2000-02-03 CN CNB001007262A patent/CN1182365C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296153C (en) * | 2004-05-15 | 2007-01-24 | 鸿富锦精密工业（深圳）有限公司 | Method for sealing heat pipe |
| CN100413613C (en) * | 2005-07-01 | 2008-08-27 | 郑坚地 | Heat pipe sealing structure, and its pressing method and special mould |
| WO2010060342A1 (en) * | 2008-11-03 | 2010-06-03 | Zhao Yaohua | Heat pipe with micro-pore tubes array and making method thereof and heat exchanging system |
| EP2357440A1 (en) * | 2008-11-03 | 2011-08-17 | Nanjing Ecoway Energy Technology Co., Ltd. | Heat pipe with micro-pore tubes array and making method thereof and heat exchanging system |
| JP2012507680A (en) * | 2008-11-03 | 2012-03-29 | ナンキン エコウェイ エナジー テクノロジー カンパニー．， リミテッド． | MICRO HEAT PIPE ARRAY HAVING FINE TUBE ARRAY, ITS MANUFACTURING METHOD, AND HEAT EXCHANGE SYSTEM |
| CN102506597A (en) * | 2008-11-03 | 2012-06-20 | 赵耀华 | Platy heat pipe and processing technology thereof |
| EP2357440A4 (en) * | 2008-11-03 | 2013-03-20 | Nanjing Ecoway Energy Technology Co Ltd | Heat pipe with micro-pore tubes array and making method thereof and heat exchanging system |
| US11022380B2 (en) | 2008-11-03 | 2021-06-01 | Guangwei Hetong Energy Techology (Beijing) Co., Ltd | Heat pipe with micro-pore tube array and heat exchange system employing the heat pipe |
| CN104438822A (en) * | 2013-09-24 | 2015-03-25 | 珠海格力电器股份有限公司 | Process pipeline sealing tool, process pipeline and air conditioner |
| CN111141165A (en) * | 2018-11-02 | 2020-05-12 | 昆山巨仲电子有限公司 | Sealing method and structure of vapor chamber |
| TWI736808B (en) * | 2018-11-06 | 2021-08-21 | 大陸商尼得科巨仲電子（昆山）有限公司 | Method for sealing vaper chamber and structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1182365C (en) | 2004-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1182365C (en) | Heat pipe sealing method and equipment | |
| US5508131A (en) | Injection molded battery containment for bipolar batteries | |
| CA2224350C (en) | Gasket insert and method of making same | |
| EP2655202B1 (en) | Spout, method for producing a spout, and container comprising such a spout | |
| EP0938145A3 (en) | Lead for use with lithium-ion secondary cell, lead ribbon, lithium-ion secondary cell and method of sealing container of lithium-ion secondary cell | |
| CN1309058C (en) | Cover for packaging electronic device and its mfg. method | |
| KR920017221A (en) | Semiconductor device manufacturing method and mold assembly thereof | |
| US6651333B2 (en) | Aluminum based collared header plate for a heat exchanger, especially for a motor vehicle | |
| JP6521471B1 (en) | Method of manufacturing vapor chamber without exhaust pipe | |
| US5656112A (en) | Synthetic resin container including a mouthpiece sealed by a closure and a method for sealing the same | |
| CN109987326A (en) | A kind of aluminium-plastic combined cover and its production method | |
| DE60304556T2 (en) | PLASTIC CAP AND MANUFACTURING METHOD THEREFOR | |
| CN1417088A (en) | Composite formed article and its forming method | |
| US5340525A (en) | Method of forming a sealing bead on a gasket | |
| CN211683803U (en) | Cold stamping formed aluminum | |
| DE102012102845A1 (en) | Electric heater | |
| WO2019175138A1 (en) | Double-walled power electronics housing and method for producing a double-walled power electronics housing | |
| WO2006034664A1 (en) | Conductor frame for an electronic component and method for the production thereof | |
| CN108011127B (en) | Soft packet of lithium cell utmost point ear heat seal mould structure | |
| CN1007853B (en) | General sealing-in | |
| CN211762839U (en) | Electronic chip packaging mold protection device | |
| CN211399304U (en) | Core material structure with hole in middle | |
| CN215293293U (en) | Novel electronic tail-gate spline hollow shaft bearing | |
| CN211168036U (en) | Leak protection wrapping bag based on biodegradable technology | |
| CN210180951U (en) | Two-way embedding mould of transmission electron microscope sample |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |