CN1689669A - Golf club head and manufacturing method thereof - Google Patents
Golf club head and manufacturing method thereof Download PDFInfo
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- CN1689669A CN1689669A CNA200410038414XA CN200410038414A CN1689669A CN 1689669 A CN1689669 A CN 1689669A CN A200410038414X A CNA200410038414X A CN A200410038414XA CN 200410038414 A CN200410038414 A CN 200410038414A CN 1689669 A CN1689669 A CN 1689669A
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- shell
- hitting panel
- junction surface
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Abstract
The golf club head making process includes the steps of preparation, butt jointing, presetting, machining and formation. First, casing, beating panel and hard welding material of different materials are prepared; and then, after the casing and the beating panel are contacted and the hard welding material is set in the holding position of the contact part, the semi-finished golf club head is heated to make the hard welding material flow into the gap between the casing and the beating panel. The present invention can avoid the overflow of the hard welding material, raise the connection strength between the casing and the beating panel and reach better combination performance and raised assembling efficiency.
Description
[technical field]
The present invention relates to a kind of club head and manufacture method thereof, particularly relate to a kind of golf club head and manufacture method thereof.
[background technology]
As shown in Figure 1, the housing of existing golf club head and the combined structure of batting panel are to disclose a hollow housing 10 and a batting panel 11.This housing 10 is provided with an opening 12.This batting panel 11 is slightly larger than this opening 12 and is covered on this opening 12.Wherein, opening 12 outer rims of this housing 10 are provided with ring-type raised line 13, and the back side periphery of this batting panel 11 is provided with annular recess 14, and these ring-type raised lines 13, groove 14 are chimeric mutually.In addition have a weldering knot layer 15 on the face of connecing in agreeing with of this housing 10 and this batting panel 11, this weldering knot layer 15 is to be moistened by the fusion of hard solder material to ooze the back cooled and solidified and formed, and this housing 10 and the 11 fastening welderings of this batting panel are tied.
In general, though it is long-pending that this kind utilizes ring-type raised line 13, groove 14 mutual chimeric combined structures can increase the contact surface of 11 of housing 10 and batting panels, but be subject to this weldering knot layer 15 mostly and be in advance edge setting along these housing 10 inside openings 12, therefore, the consumption of weldering knot layer 15 will be subjected to the size restriction of housing 10 inside openings 12 edge length, if can't fill capacity weldering knot layer 15, will cause weldering knot effect to descend.
Moreover, because this weldering knot layers 15 is in advance along the edge setting of housing 10 inside openings 12, relend by the groove on the batting panel 11 14 and raised line 13 this weldering of mutual cramping when chimeric on this housing 10 and tie layer 15, make when this weldering knot layer 15 produces fusion under hot environment, must be from inside to outside along ring-type raised line 13, outwards overflow in the gap of groove 14, and produce situation on the outer surface be condensed in housing 10 or batting panel 11, therefore after treating the end of job, must be worn with manpower or the weldering knot layer 15 that uses processing equipment will be attached on the outer surface of these housings 10 and batting panel 11, number in the time of certainly will increasing overall work and expend.
For another shown in Figure 2, the joint construction of another existing golf driver head housing and striking surface plate is to expose a metal housing 20 and a batting panel sheet 21.This housing 20 is concaved with a groove 22 in the striking surface position, and forms a shoulder 23 at groove 22 diapires.Wherein, all rim walls of this striking surface plate 21 are concaved with a circle chase 24 toward in, and this housing 20 is extending to form a blocking part 25 to shell wall that should chase 24 in this chase 24, this blocking part 25 is to make its melting deformation and get at housing 20 local heat, is to adopt hard solder to engage between this housing 20 and striking surface plate 21.
In this joint construction, heat local housing 20 and form the blocking part 25 that extends toward chase 24, seeing through blocking part 25 engages with each other with chase 24 and cooperates the hard solder means simultaneously, make housing 20 and striking surface plate 21 mutually combine, thereby this joint construction and aforesaid combined structure all can produce hard solder and outwards overflow leakage problems.
In addition, under this blocking part 25 and chase 24 mutual snap action, though can increase the bond strength of housing 20 and striking surface plate 21, but be subject to this blocking part 25 is to produce from the distortion of housing 20 external heat, once this housing 20 engages in advance with striking surface plate 21, this chase 24 is covered by this housing 20 and can't confirm the physical location of this chase 24 from the outside, so the user can not very cooperate the position of this chase 24 to process exactly, only draw in advance and establish mark or measure size accurately, just may make this blocking part 25 that adds thermal deformation can aim at this chase 24 just, thereby cause actual engaging effect and desirable not as expecting.
Again as shown in Figure 3, the joint method that a kind of existing golf driver head housing and striking surface plate are arranged again, before this kind joint method is exposed a batting panel sheet 30 and is inserted the groove 32 of bar head capsule body 31, place welding material 34 at the shoulder face 33 of groove 32 earlier, at last striking surface plate 30 is embedded the groove 32 of housing 31, make striking surface plate 30 bottom surfaces and this welding material 34 of shoulder face 33 crampings, and then it is inserted vacuum drying oven heat, welding material 34 fusions are full of the adjacent surface of bar head capsule body 31 and striking surface plate 30, so as to making 30 solid weldings of striking surface plate on bar head capsule body 31.
This kind joint method utilizes bar head capsule body 31, striking surface plate 30 different with welding material 34 threes' fusing point, make lower welding material 34 fusions of fusing point be filled between these bar head capsule bodies 31 and the striking surface plate 30, and reach the effect of this bar head capsule body 31 of solid welding and striking surface plate 30.Yet, because this welding material 34 is to be powdery before fusion not, when this welding material 34 is melt into liquid by powdery solid, the cumulative volume of this welding material 34 dwindles, cause welding material 34 to be not enough to be filled in the gap of these bar head capsule bodies 31 and striking surface plate 30, cause these bar head capsule bodies 31 and 30 of striking surface plates can produce 34 spaces of filling up fully of not soldered material, and make the bond strength of 30 of these bar head capsule bodies 31, striking surface plate decline to a great extent relatively, further influence the structural stability of whole glof club head.
In order to compensate the situation that causes the space to produce because of volume-diminished after welding material 34 fusions, the mode that existing joint method is taked to increase welding material 34 laying amounts solves this puzzlement, in case yet the laying amount of welding material 34 increases, welding material 34 gross thickness that flow into bar head capsule body 31 and striking surface plate 30 gaps after welding material 34 fusions must thicken thereupon, but these bar head capsule bodies 31 can't increase and relative reinforcement because of the thickness of welding material 34 with the bond strength of 30 of striking surface plates, on the contrary can be blocked up because of the thickness of this welding material 34, and cause these bar head capsule bodies 31 and the spacing of striking surface plate 30 to increase, further cause both bond strengths to reduce, also form simultaneously the waste on the welding material 34, therefore, to how between the laying amount of bond strength and welding material 34, to average out, just form an awkward problem.
In addition, this kind joint method has produced the another one problem simultaneously, be exactly welding material 34 be to be laid immediately on the shoulder face 33 of this groove 32, and then by striking surface plate 30 in simultaneously to the groove 32 that inserts bar head capsule body 31, utilize this welding material 34 of bottom cramping of this striking surface plate 30, therefore process processing in case finish bar head capsule body 31 with engaging of striking surface plate 30, cause bar head capsule body 31 and 30 of striking surface plates to produce the gap even lay quantity not sufficient because of welding material 34, bar head capsule body 31 can't be separated again with striking surface plate 30 also, to append the laying amount of welding material 34, adding that defective products also can't be found in the QC program easily remedies, therefore, the product quality of taking this kind juncture to manufacture is not good
[summary of the invention]
Therefore, the purpose of this invention is to provide and a kind ofly can correctly put the hard solder material, and can increase hard solder material contact area to improve golf club head in conjunction with effect.
A kind of golf of the present invention manufacture method of club head is characterized in that:
This manufacture method comprises preliminary step in regular turn, the butt joint step, preset step, procedure of processing, and forming step, this preliminary step is to purchase a shell, one hits panel, and at least one hard solder material, this shell, the metal material that hitting panel and hard solder material are respectively different is made, and the fusing point of this hard solder material is lower than the fusing point of this shell and hitting panel, wherein, this shell has a body, one is located at the junction surface of this body periphery, and one by the opening that this junction surface defined, and the periphery of this hitting panel be provided with one can with the carrier of the corresponding applying in the junction surface of shell; This butt joint step is that this shell is docked with hitting panel, and the junction surface that makes this shell is pasted mutually to touch with the carrier of hitting panel and is not concordant shape, borrow to make when the junction surface of shell correspondence places the carrier of hitting panel, this shell and hitting panel define at least one gap outer rim that is positioned at junction surface and carrier and the ccontaining ccontaining position of confession hard solder material jointly; This presets step is that this hard solder material is placed on the ccontaining position that shell and hitting panel define jointly, to become the semi-finished product of club head; This procedure of processing is these semi-finished product are sent into vacuum or to be filled with in the hot environment of inert gas, and environment temperature is heated above the fusing point of this hard solder material, but be lower than the fusing point of this shell and hitting panel, this forming step is that this hard solder material after the fusion is flowed under capillarity in the gap of carrier of the junction surface of this shell and hitting panel, hard solder material after the cooled and solidified just can closely connect this shell and hitting panel admittedly, and molds this golf club head.
The described golf manufacture method of club head is characterized in that:
Paste after touch mutually with the carrier of hitting panel at the junction surface of this shell, and this hitting panel is to protrude from this shell.
The described golf manufacture method of club head is characterized in that:
Paste after touch mutually with the carrier of hitting panel at the junction surface of this shell, and this shell is to protrude from this hitting panel.
The present invention also provides a kind of golf club head, it is characterized in that:
This club head comprises a metal shell with opening, the metal hitting panel of one this opening of sealing, and at least one metallic hard wlding, this metal shell has a body, one is located at the junction surface of this body periphery, this opening is defined by this junction surface, this metal hitting panel be provided with one can with the carrier of the corresponding applying in the junction surface of shell, and it is to be not concordant shape that the carrier of this hitting panel docks with the junction surface of this shell, this hitting panel and shell define at least one ccontaining position that is positioned at the gap outer rim of junction surface and carrier jointly, this metallic hard wlding is to be fixedly arranged between the carrier of the junction surface of this shell and hitting panel, and this shell and hitting panel are connected.
Described golf club head is characterized in that:
This hitting panel is to protrude from this shell.
Described golf club head is characterized in that:
This shell is to protrude from this hitting panel.
Golf of the present invention club head and manufacture method thereof, the hard solder material of fusion is flowed under capillarity in the gap of carrier of the junction surface of this shell and hitting panel, and the situation that can avoid the hard solder material outwards to overflow, so as to strengthening the strength of connection of this hard solder material for these shells, hitting panel, and then reach preferable associativity, can improve the correctness and the efficient of assembling simultaneously.
[description of drawings]
Below by preferred embodiment and accompanying drawing golf of the present invention is elaborated with club head and manufacture method thereof, in the accompanying drawing:
Fig. 1 is the cutaway view of the combined structure of the housing of existing golf club head and batting panel.
Fig. 2 is the cutaway view of the joint construction of another existing golf driver head housing and striking surface plate.
Fig. 3 is the golf driver head housing that engages out of another existing joint method and the partial sectional view of striking surface plate.
Fig. 4 is the cutaway view of golf of the present invention with club head first preferred embodiment.
Fig. 5 is the combination of side view of golf of the present invention with club head first preferred embodiment.
Fig. 6 is the flow chart of golf of the present invention with the manufacture method of club head.
Fig. 7 is that the golf of the present invention's first preferred embodiment is with the view sub-anatomy of club head before making.
Fig. 8 is the view sub-anatomy before golf of the present invention is made with club head second preferred embodiment.
Fig. 9 is the cutaway view of golf of the present invention with club head second preferred embodiment.
Figure 10 is the combination of side view of golf of the present invention with club head second preferred embodiment.
Figure 11 is the local assembled sectional view of golf of the present invention with the 3rd preferred embodiment of club head.
Figure 12 is the combination of side view of golf of the present invention with the 3rd preferred embodiment of club head.
Figure 13 is the local assembled sectional view of golf of the present invention with the 4th preferred embodiment of club head.
Figure 14 is the combination of side view of golf of the present invention with the 4th preferred embodiment of club head.
[specific embodiment]
Before the present invention is described in detail, be noted that in the following description similar elements is to represent with identical numbering.
Consult Fig. 4,5, golf of the present invention is iron club with a preferred embodiment of club head 4, comprises: a shell 41, hits panel 42, and most hard solder materials 43.This shell 41, hitting panel 42 and hard solder material 43 all are made by different metal materials, and the fusing point of this hard solder material 43 is lower than the fusing point of this shell 41 and hitting panel 42.
This shell 41 has a body 411, and is surrounded on the junction surface 412 of body 411 peripheries (because of this junction surface 412 is around shape, so be the show state that is two junction surfaces 412 in the side view cutaway drawing of Fig. 4), and an opening 413 by this junction surface 412 ecto-entad convergent that defines.This hitting panel 42 is openings 413 of this shell 41 of sealing, and the periphery of this hitting panel 42 be provided with one can with the carrier 421 of the junction surface 412 corresponding applyings of shell 41.Moreover, paste mutually with the carrier 421 of hitting panel 42 at the junction surface 412 of this shell 41 is to be not concordant aspect after touch, the hitting panel 42 that is disclosed in the present embodiment is to protrude from this shell 41, makes hitting panel 42 and shell 41 can define the ccontaining position 400 that several are positioned at the gap outer rim of junction surface 412 and carrier 421 jointly.And this hard solder material 43 is to be arranged between the carrier 421 of the junction surface 412 of this shell 41 and hitting panel 42.
Consult Fig. 6,7, golf of the present invention is to include preliminary step 51, butt joint step 52 in regular turn, preset step 53, procedure of processing 54 and forming step 55 with the manufacture method of club head.
In preliminary step 51, be to purchase by the made shell 41, of different metal material to hit panel 42 and most hard solder material 43.
In butt joint step 52, this shell 41 is docked with hitting panel 42, after the junction surface of shell 41 412 correspondences place the carrier 421 of hitting panel 42, make shell 41 and hitting panel 42 define the ccontaining position 400 that several are positioned at the gap outer rim of junction surface 412 and carrier 421 jointly.
In presetting step 53, this hard solder material 43 is placed on the ccontaining position 400 that shell 41 and 42 of hitting panels define jointly, with the semi-finished product 4 that become club head '.
In this procedure of processing 54, the semi-finished product 4 of this club head ' be to be admitted in the hot environment, this hot environment is vacuum or is filled with wherein one heating furnace of inert gas, is the vacuum furnace (not shown) in the present embodiment.
In this forming step 55, the hard solder material 43 that is arranged on this ccontaining position 400 is low than the fusing point of shell 41 and hitting panel 42 because of self fusing point, when rising, the temperature in the hot environment begins fusion after reaching certain value (be higher than the melting temperature of hard solder material 43 and be lower than the melting temperature of these shells 41 and hitting panel 42), at this moment, shell 41 and hitting panel 42 that fusing point is higher can't produce the phenomenon of fusion, and the hard solder material 43 that is molten condition is under capillarity, flow along slight void this shell 41 and 42 of hitting panels from these ccontaining position 400 ecto-entads, last complete filling is in the gap of the junction surface 412 of this shell 41 and the carrier 421 of hitting panel 42, treat after these hard solder material 43 cooled and solidified, just this shell 41 to be linked mutually with hitting panel 42 and fix, and make as Fig. 4, golf shown in 5 club head 4.
Fig. 6 and cooperate shown in Figure 8 for another example, the golf of the present invention manufacture method of second preferred embodiment of club head, be that a shell 41, is hit panel 42 equally, and most hard solder materials 43 carry out as the preceding preliminary step that discloses 51, butt joint step 52, to preset step 53, procedure of processing 54 and forming step 55 made.Yet, shown in Fig. 9,10, present embodiment golf is to be with the structure and the last embodiment difference of club head 4, this shell 41 is to protrude from this hitting panel 42, make hitting panel 42 and shell 41 can define the ccontaining position 400 that several are positioned at the gap outer rim of junction surface 412 and carrier 421 equally jointly, again these hard solder materials 43 are placed on this ccontaining position 400, carry out the described procedure of processing 54 of leading portion, just can be made into the golf club head 4 of present embodiment.
Via above-mentioned steps and as can be known graphic, golf of the present invention mainly is the ccontaining position 400 that is defined by this shell 41 and hitting panel 42 with club head 4, as presetting for this hard solder material 43, therefore, the personnel that carry out assembly working can directly be placed in the tram with this hard solder material 43, not only reduce the assembly working difficulty, more because hard solder material 43 is to be restricted on this ccontaining position 400, the relative position that this shell 41 and hitting panel are 42 can not change arbitrarily, guarantees the fine ratio of product of this golf with club head 4.
Look back Fig. 4 or Fig. 9, because the junction surface 412 of this shell 41 all is to be the state that fits tightly mutually with the carrier 421 of hitting panel 42, and can increase contact area greatly with carrier 421 by this junction surface 412, can provide simultaneously that this hard solder material 43 can adhere to than large tracts of land, thus, hard solder material 43 after the fusion is influenced by capillarity and the junction surface 412 that flows into this shell 41 is worked energetically shown in the prior art with the bonding area of the carrier 421 of hitting panel 42 especially, and along with the increase of bonding area, the effect that this hard solder material 43 links these shells 41 and hitting panel 42 also can promote relatively.
421 of the carriers of the junction surface 412 of this shell 41 and hitting panel 42 can only flow ccontaining for the hard solder material 43 of denier again, the hard solder material 43 that is condensed in 421 of this junction surface 412 and carriers forms skim, make that these shells 41 and hitting panel 42 firmly are together with each other, with the structural stability and the intensity of club head 4 certain benefiting arranged all for this golf.
At last, this hard solder material 43 flows between this junction surface 412 and carrier 421 from outside to inside, so that the situation that can effectively avoid this hard solder material 43 outwards to overflow, manufacturer also can test hard solder material 43 best laying amounts in advance, make hard solder material 43 after the fusion after flowing into this junction surface 412 and carrier 421, except can linking these shells 41 and hitting panel 42, the amount that remains in the hard solder material 43 on this ccontaining position 400 relatively is few, also needn't append afterwards and modify polishing operation, not influence this golf club head 4 integral aesthetic property.Even produced the part gap at this junction surface 412 and 421 of carriers, still can append and lay a small amount of hard solder material 43 from each ccontaining position 400, again send in the procedure of processing 54 and use as filling the gap, so as to improving this golf yield, remedy because of very few 42 of shell 41 and the hitting panels of causing of hard solder material 43 laying amounts and combine hypodynamic problem with club head 4.
Consult Figure 11,12, golf of the present invention almost is equal to first preferred embodiment with the 3rd preferred embodiment of club head 4, difference is, this preferred embodiment is the rod head, the kenel of this shell 41 is slightly to change according to the batting mode, but mode with regard to these shells 41,42 combinations of batting panel, hard solder material 43 the position is set, all identical with the flow direction after 43 fusions of hard solder material with first preferred embodiment, so the effect that can reach all is same as first preferred embodiment.
Consult Figure 13,14, golf of the present invention almost is equal to second preferred embodiment with the 4th preferred embodiment of club head 4, difference is, this preferred embodiment is the rod head, the mode of its shell 41,42 combinations of batting panel, hard solder material 43 the position is set, all identical with flow direction after 43 fusions of hard solder material with second preferred embodiment, so the effect that can reach all is same as second preferred embodiment.
Conclude above-mentioned, golf of the present invention club head and manufacture method thereof, by improving the contact area of this hard solder material 43 with this shell 41, hitting panel 42, and can improve the strength of connection of 42 of this shell 41 and hitting panels, and the preset position of this hard solder material 43 is to be limited on the ccontaining position 400 that hitting panel 42 and shell 41 define jointly, also can help correctly carrying out and improving packaging efficiency of assembling operation.
Claims (6)
1. a golf is characterized in that with the manufacture method of club head:
This manufacture method comprises preliminary step in regular turn, the butt joint step, preset step, procedure of processing, and forming step, this preliminary step is to purchase a shell, one hits panel, and at least one hard solder material, this shell, the metal material that hitting panel and hard solder material are respectively different is made, and the fusing point of this hard solder material is lower than the fusing point of this shell and hitting panel, wherein, this shell has a body, one is located at the junction surface of this body periphery, and one by the opening that this junction surface defined, and the periphery of this hitting panel be provided with one can with the carrier of the corresponding applying in the junction surface of shell; This butt joint step is that this shell is docked with hitting panel, and the junction surface that makes this shell is pasted mutually to touch with the carrier of hitting panel and is not concordant shape, borrow to make when the junction surface of shell correspondence places the carrier of hitting panel, this shell and hitting panel define at least one gap outer rim that is positioned at junction surface and carrier and the ccontaining ccontaining position of confession hard solder material jointly; This presets step is that this hard solder material is placed on the ccontaining position that shell and hitting panel define jointly, to become the semi-finished product of club head; This procedure of processing is these semi-finished product are sent into vacuum or to be filled with in the hot environment of inert gas, and environment temperature is heated above the fusing point of this hard solder material, but be lower than the fusing point of this shell and hitting panel, this forming step is that this hard solder material after the fusion is flowed under capillarity in the gap of carrier of the junction surface of this shell and hitting panel, hard solder material after the cooled and solidified just can closely connect this shell and hitting panel admittedly, and molds this golf club head.
2. golf is characterized in that with the manufacture method of club head according to claim 1:
Paste after touch mutually with the carrier of hitting panel at the junction surface of this shell, and this hitting panel is to protrude from this shell.
3. golf is characterized in that with the manufacture method of club head according to claim 1:
Paste after touch mutually with the carrier of hitting panel at the junction surface of this shell, and this shell is to protrude from this hitting panel.
4. golf club head is characterized in that:
This club head comprises a metal shell with opening, the metal hitting panel of one this opening of sealing, and at least one metallic hard wlding, this metal shell has a body, one is located at the junction surface of this body periphery, this opening is defined by this junction surface, this metal hitting panel be provided with one with the carrier of the corresponding applying in the junction surface of shell, and it is to be not concordant shape that the carrier of this hitting panel docks with the junction surface of this shell, this hitting panel and shell define at least one ccontaining position that is positioned at the gap outer rim of junction surface and carrier jointly, this metallic hard wlding is to be fixedly arranged between the carrier of the junction surface of this shell and hitting panel, and this shell and hitting panel are connected.
5. golf club head as claimed in claim 4 is characterized in that:
This hitting panel is to protrude from this shell.
6. golf club head as claimed in claim 4 is characterized in that:
This shell is to protrude from this hitting panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410038414XA CN100352526C (en) | 2004-04-26 | 2004-04-26 | Golf club head and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410038414XA CN100352526C (en) | 2004-04-26 | 2004-04-26 | Golf club head and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1689669A true CN1689669A (en) | 2005-11-02 |
| CN100352526C CN100352526C (en) | 2007-12-05 |
Family
ID=35345618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410038414XA Expired - Fee Related CN100352526C (en) | 2004-04-26 | 2004-04-26 | Golf club head and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100352526C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984881A (en) * | 2016-01-20 | 2017-07-28 | 铟泰公司 | Capillary plumber block |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6350209B1 (en) * | 2000-01-12 | 2002-02-26 | Archer C. C. Chen | Golf club head formed of a head case and a ball-striking plate doubly fused with the head case |
| CN1227093C (en) * | 2000-04-29 | 2005-11-16 | 陈晴祺 | Ball-driving face plate bonding method of golf wood club head |
| US20030153397A1 (en) * | 2002-02-14 | 2003-08-14 | Spalding Sports Worldwide, Inc. | Golf club set with variable thickness and/or density face inserts |
-
2004
- 2004-04-26 CN CNB200410038414XA patent/CN100352526C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984881A (en) * | 2016-01-20 | 2017-07-28 | 铟泰公司 | Capillary plumber block |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100352526C (en) | 2007-12-05 |
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Granted publication date: 20071205 Termination date: 20100426 |