CN1896350A - Bobbin for spinning frame - Google Patents
Bobbin for spinning frame Download PDFInfo
- Publication number
- CN1896350A CN1896350A CNA2005101063600A CN200510106360A CN1896350A CN 1896350 A CN1896350 A CN 1896350A CN A2005101063600 A CNA2005101063600 A CN A2005101063600A CN 200510106360 A CN200510106360 A CN 200510106360A CN 1896350 A CN1896350 A CN 1896350A
- Authority
- CN
- China
- Prior art keywords
- winding reel
- axle bush
- bobbin
- spindle
- spinning frame
- 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
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/18—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for supplying bobbins, cores, receptacles, or completed packages to, or transporting from, paying-out or take-up stations ; Arrangements to prevent unwinding of roving from roving bobbins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/46—Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers
- D01G15/64—Drafting or twisting apparatus associated with doffing arrangements or with web-dividing apparatus
- D01G15/68—Drafting or twisting apparatus associated with doffing arrangements or with web-dividing apparatus with arrangements inserting permanent twist, e.g. spinning
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/18—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for supplying bobbins, cores, receptacles, or completed packages to, or transporting from, paying-out or take-up stations ; Arrangements to prevent unwinding of roving from roving bobbins
- D01H9/182—Overhead conveying devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention telates to a inserted bobbin for spinning frame locating at inner surface of the bobbin or contacting place of the spindle. Bushing is an alloy consisting of copper, nickel and zinc with content of 10-80% wt respectively. Polytetrafluoroethylene is used for coating inner surface of the bushing. In the circle of the bushing, a concavo-convex surface is formed to provide the spindle with a groove. Racing phenomena will not occur in the contacting part between the bobbin and the bushing, between the bushing and the spindle, upon tatating the bobbin. Revolving force can be transmitted to the bobbin when rotating with high speed. The invention relates to the bobbin for spinning frame with bushing inserted into inner surface of the bobbin. The bushing, the bobbin and the spindle is in a tightly bonding state when rotating with high speed to prevent racing, centrifugal error of bobbin axis and floating phenomena of the bobbin. Fault rate of processing is reduced and thickness of the bobbin is increased. Due to the solid materials used in the bushing, the transverse strength of the bobbin is enhanced.
Description
Technical field
The present invention relates to spinning frame winding reel (Bobbin for spinning frame), relating to axle bush in more detail is plugged in around the spindle tip among the spinning frame winding reel, it is characterized by the copper that plugs with 10～80 weight %, the zinc alloying of the nickel of 10～80 weight % and 10～80 weight %, with tetrafluoro polyethylene coating inner face, thickness is the spinning frame winding reel of the following axle bush of 0.3mm.
Background technology
Spinning technology is to twist thread after the rove (roving) that group is made among the spinning process is entried by required thickness and make the technology of line, is the technology that the last process of weaving has the greatest impact to the quality or the production efficiency of product than other any technologies.
Using maximum spinning frames in spinning technology is ring throstle, at ring throstle winding reel is clipped in spindle (spindle) lining, twist, reel according to spindle rotation, because of the line output almost according to this spindle quantity (radical) decision, the scale of spinnery is with this spindle quantitaes.
General traditional spinning frame as shown in Figure 9 is provided with the circumferential groove (100a) of some with winding reel (100) on the side periphery of (300) etc. respectively curling to spin by the state that is parallel to each other, form embedding in the bottom and in the embedding of spinning frame spindle and portion, and use with plastic shaping.
And, in spinning technology according to the elevating movement repeatedly of the circular rails (not shown) on the side periphery of above-mentioned traditional winding reel (100) a certain amount of spinning (300) of curling.
And, in spinning technology spindle and winding reel combination formation as shown in Figure 6, the contact portion of the spindle tip (21) and winding reel (10) inner face is worn easily because of rubbing when rotating at a high speed, uses so plug axle bush (11) around the spindle tip among the spinning frame winding reel.(just, Fig. 6 is applicable to the present invention, and winding reel (10) is identical with the winding reel (100) of Fig. 9, and spindle (20) is identical with the spindle (200) of Fig. 9, and axle bush (11) is identical with the axle bush (110) of Fig. 8.)
Use the phenolic resins of thermosetting resin or molding for epoxy resin thickness to be the axle bush of 1.2～1.4mm and to be plugged in the inner use of winding reel at above-mentioned as shown in Figure 8 axle bush of the past (110), the spindle rotation number is 17 in the past, about 500rpm, and be increased to 25 recently, more than the 000rpm, increased the friction of spindle taper branch and the inner axle bush of winding reel, and heavy wear axle bush, not only can not play the function of axle bush fully, and during with various fiber blend, especially, according to the convergent force and the elastic force compression winding reel of polyester fiber, increase the tightness of winding reel and spindle during with the polyester fiber blending, especially increase the tightness of the axle bush and the spindle tip of winding reel, and the vibrations on increase winding reel top, therefore increase the defect rate of the form of twisting thread, become the lost of life reason of the spindle bearing that is plugged in spindle inside, according to the wearing and tearing of axle bush, the crack takes place in the position that the buckling phenomenon of winding reel takes place or plug axle bush, and weaving goes wrong.
And, attached to the spindle tip of spindle and be plugged in the phenolic resins of winding reel inside or during epoxy resin axle bush doff (Doffing :) for twist yarn inserts winding reel the process that comes off the spindle tip and axle bush produce ammonia according to the frictional heat of moment friction, therefore harmful, winding reel produces the crack during winding reel made of polycarbonate resin or ABS resin, not only can not use winding reel, and can not weave.
Especially, nearest spinning frame is provided with a plurality of spindles, carries out the insertion of winding reel automatically and comes off, and therefore stops the starting of spinning frame when any one winding reel around spiral does not separate among the spindle, not only reduces productivity, and causes the confusion of technology.
And, making rotation number is 30, what become problem most during the above spinning frame of 000rpm is that axle bush by traditional approach uses phenol or epoxide materials, therefore when 27, buoyancy was greater than the frictional force between winding reel and the axle bush when the above ultrahigh speed of 500rpm was rotated, and axle bush is from more than the about 2～3mm of spindle contact site emersion.(with reference to Figure 10)
Strengthen the degree that rolls of winding reel front end like this during the winding reel emersion, can not satisfy the desired degree of up-to-date spinning frame (the vibrations scope of winding reel front end≤0.25mm), and occurred problem when producing senior yarn.
Summary of the invention
Therefore, the object of the present invention is to provide intensity that improves axle bush and the axle bush of making minimal thickness, thickening plugs the winding reel thickness of axle bush part relatively, the twisted phenomena that prevents winding reel makes it only to take place fine vibrations, do not take place not produce the crack according to the ammonia of the spindle tip and axle bush frictional heat, almost there are not wearing and tearing, the spinning frame winding reel of weaving with best condition.
And, other purpose of the present invention is to form male and fomale(M﹠F) on the periphery of axle bush, at the inner groove that sandwiches the spindle tip that forms of axle bush, even rotating winding reel also prevents axle bush and winding reel at a high speed, the perhaps mutual idle running phenomenon between axle bush and the spindle, especially prevent the phenomenon of axle bush along spindle axle emersion, the value of rolling of needed winding reel front end remains to below the 0.25mm when producing senior yarn.
Not only for above-mentioned purpose, and in order to realize other purposes, at the copper of the present invention with 10～80 weight %, the zinc alloying of the nickel of 10～80 weight % and 10～80 weight %, with tetrafluoro polyethylene coating inner face, thickness is that the following axle bush of 0.3mm is plugged in around the spindle tip among the spinning frame knitting wool tube to make winding reel, make it only to take place fine vibrations, ammonia does not take place or not the crack, wear and tear hardly, thereby obtain spinning frame winding reel with the weaving of best condition.
And, on above-mentioned periphery, form groove and possess the groove of the spindle tip, contact site when the rotation winding reel between winding reel and the axle bush, contact site between axle bush and the spindle phenomenon that do not dally, also correct revolving force is communicated to winding reel when rotating at a high speed, not only prevent the phenomenon of winding reel emersion, and at axle bush lower end formation keyway, fill the material the same during the injection molding winding reel herein with winding reel, make it axle bush and winding reel with one in conjunction with and keep firm bonding state.
Description of drawings
Fig. 1 is the oblique view according to a part of winding reel of incision of the present invention.
Fig. 2 is the expanded view of Figure 1A part.
Fig. 3 is the oblique view of the incision part winding reel of the present invention's second example.
Fig. 4 is the axle bush sectional drawing that cuts off at the A-A of Fig. 3 line.
Fig. 5 is a corresponding diagram 4, at the axle bush sectional drawing of the present invention's the 3rd example use.
Fig. 6 is the separation oblique view of winding reel user mode of the present invention.
Fig. 7 is the sectional view of the winding reel of the 3rd example according to the present invention.
Fig. 8 is the oblique view of traditional incision part spinning frame knitting wool tube.
Fig. 9 is the front elevation of traditional spinning frame winding reel, the state diagram before the winding reel emersion.
Figure 10 is the front elevation of traditional spinning frame winding reel, the state diagram after the winding reel emersion.
＜reference numeral explanation 〉
10: winding reel (bobbin) 11: axle bush (bushing)
11a: male and fomale(M﹠F) 11b: keyway
11c: groove 20: spindle
21: the spindle tip
The specific embodiment
Followingly with reference to the accompanying drawings be described in more detail the present invention.
Fig. 1 is the oblique view according to a part of winding reel of incision of the present invention, and Fig. 2 is the expanded view of Figure 1A part, and Fig. 6 is the separation oblique view of winding reel user mode of the present invention.
The copper of being characterized as according to spinning frame winding reel of the present invention (10) with 10～80 weight %, the zinc alloying of the nickel of 10～80 weight % and 10～80 weight %, with tetrafluoro polyethylene coating inner face, thickness be the following axle bush (11) of 0.3mm be plugged among the spinning frame knitting wool tube (10) the spindle tip (21) on every side.
Use is at the spinning frame of the present invention copper of the axle bush (11) of winding reel (10) with 10～80 weight %, and the alloy of the nickel of 10～80 weight % and 10～80 weight % zinc is made, and makes the raising ABRASION RESISTANCE that ammonia not take place.
Copper is the metal of peculiar red gloss, malleability not only, plasticity, processability is outstanding, and heat conductivity is outstanding, and to be that the metal of silvery white gloss is the same with iron forge and weld nickel, malleability and plasticity are good, because of the stability to air and moisture is better than iron, so be difficult for oxidation.
Especially, nickel is gold-plated to have beautiful gloss and a corrosion resistance, is positioned at center-stage various among gold-plated.Have copper-nickel alloy as nonferrous alloy, spedex, illiteracy Buddhist nun's metallograph of copper, nickel, alloy, Hastelloy D, Ying Kenaier etc. have features such as corrosion-resistant, heat-resisting, intensity respectively, as the structural material use of mechanical device.
Zinc is cyan or argenteous metal, in the normal temperature fragility, increases malleability when still being heated to more than 100 ℃, and therefore plasticity can manufacture iron wire or thin plate.
In order to improve ABRASION RESISTANCE and intensity, used the alloy of copper, nickel, zinc in the present invention.
Promptly, the characteristic corrosion resistance of copper alloy, therefore any alloy of resistance to water geometric ratio is outstanding, uses to be that chemical industry usefulness, boats and ships various uses such as uses, ABRASION RESISTANCE and intensity etc. are also outstanding than other alloys, copper is that the electric and hot conductibility of main body is good, suitably adds other alloying elements, uses after the intensity of increase copper to be various uses, the fusion castability of copper alloy does not have special problem except specific alloy, therefore use as axle bush (11) material in the present invention.
In the present invention, the use amount of copper, nickel, zinc all can not satisfy the characteristic of the object of the invention during respectively less than 10 weight %, and other become components relatively less than 10 weight % when surpassing 80 weight %, and can not satisfy characteristics such as intensity, corrosion resistance.
Bush thickness is preferably below the 0.3mm, exceed the relative attenuation of winding reel thickness that 0.3mm inserts the axle bush part when above, the phenomenon of the upper end bending of crack or winding reel can take place, therefore to no effect, be difficult for making axle bush (11) when too thin, and reduce intensity and ABRASION RESISTANCE etc., adjust the coiling copper thickness that inserts the axle bush part by testing repeatedly so consider copper, nickel and zinc amount.
In order to reduce the most handy tetrafluoro polyethylene of friction axle bush (11) (special teflon) the coating inner face with the spindle tip (21).
Coating is used common apparatus and method in the technical field under the present invention, form groove or fine projection at the outer surface of axle bush (11) for the bonding force that improves with winding reel (10), according to circumstances processes embossing.
Fig. 3 is the oblique view of the incision part winding reel of the present invention's second example, Fig. 4 is the axle bush sectional drawing that cuts off at the A-A of Fig. 3 line, on this axle bush (11) periphery, form male and fomale(M﹠F) (11a), so on the faying face between axle bush (11) and the winding reel (10), keep frictional force.
And,, rotate winding reel at a high speed and also can prevent idle running phenomenon between spindle and the axle bush if the contact site between axle bush and the spindle also can be kept frictional force when the inner peripheral surface of axle bush (11) also forms male and fomale(M﹠F).
The above-mentioned male and fomale(M﹠F) mode that forms serrated face of pressurizeing on the axle bush outer circumference surface is made, and also stays fuzzy male and fomale(M﹠F) during intensified pressure on inner peripheral surface, can omit the program of other processing inner peripheral surface.
And, form keyway (11b) in addition in above-mentioned axle bush (11) lower end, keyway (11b) probably is 1.5mm～5mm with the amplitude, highly is that the size about 1.5mm～5mm forms, form more than one or two by the radiation direction, for uniform distribution power preferably is symmetrically formed.
Axle bush (11) in the technical field under the present invention according to normally used method and device, such as the manufacturings such as extrusion method that utilize extruder.
The axle bush of making (11) is inserted in the cored-up mould and makes winding reel (10) by the method for inserting extruding.
At this moment, form keyway (11b) in axle bush (11) lower end, fill herein and the winding reel identical materials during injection molding winding reel (10), axle bush (11) and winding reel (10) are with the one combination and keep firm bonding state thus.
In order to improve the conjugation between axle bush (11) and the winding reel (10), strengthen above-mentioned keyway (11b) or possess a plurality of keyways, but will consider that bulk strength determines its size and quantity, preferably press symmetrical shape for uniform distribution power and form keyway (11b).
In addition, Fig. 5 is a corresponding diagram 4, and at the axle bush sectional drawing that the 3rd example of the present invention uses, Fig. 7 is the sectional view of the winding reel of the 3rd example according to the present invention.
At this, form in addition the groove (11c) of the spindle tip on above-mentioned axle bush (11) periphery, spindle be clipped in winding reel in conjunction with the time spindle tip (21) to be clipped in above-mentioned groove (11c) fixing, also keep firm state between spindle and the axle bush when rotating at a high speed.
Above-mentioned groove (11c) will be positioned at the position of the spindle tip (21) location during in conjunction with spindle in winding reel, consider these decision position and quantity on above-mentioned axle bush (11) periphery during machined grooves (11c).
Such as, example as shown in Figure 7, when the spindle tip (21) is whenever spent spacings formation and is become semi-spherical shape by 90 by the radiation direction, above-mentioned groove (11c) also whenever forms by 90 degree spacings by the radiation direction at corresponding these height, also to hold the above-mentioned spindle tip (21), so form semi-spherical shape greater than spindle tip size.
For these above-mentioned grooves (11c) form according to existing usual methods such as pressure processing.
Winding reel (10) the insertion axle bush winding reel thickness of making by above-mentioned method partly is thicker than the winding reel of making axle bush with traditional phenolic resins or epoxy resin, the ABRASION RESISTANCE of axle bush of the present invention (10), the axle bush that the intensity geometric ratio is traditional is strong, the friction I improves the durability of axle bush (11) and winding reel, do not use phenolic resins or epoxy resin, therefore solve these problems that cause of use easily as traditional winding reel.
That is, according to Fig. 1, the example of Fig. 2, axle bush (11) does not use synthetic resin such as phenolic resins, and uses Cu alloy material, so thin thickness also satisfies requirement of strength, has the electrostatic efficiency of preventing, can not cling the dust of spinning, does not need frequent sister-in-law's winding reel.And the axle bush of making (11) is thin, and can thicken winding reel (10) thickness relatively, also prevents the twisted phenomena of winding reel when rotating at a high speed, the spinning substandard products problem that the vibrations of solution winding reel front end cause.
And, form male and fomale(M﹠F) (11a) on the periphery of axle bush (11), increase between axle bush (11) and the winding reel (10), and the frictional force between axle bush (11) and the spindle (20), have skidproof effect.
And, form keyway (11b) in axle bush (11) lower end, fill herein and the winding reel identical materials during injection molding winding reel (10), axle bush (11) and winding reel (10) are with the one combination and keep firm bonding state thus.
In addition, the groove (11c) that possesses on axle bush (11) periphery is clamped the spindle tip (21) and is supported spindle, rotation during winding reel with above-mentioned male and fomale(M﹠F) (11a), keyway (11b) is winding reel (10) together, the firm holding state of maintenance between axle bush (11) and the spindle (20).
Therefore, rotating winding reel (10) also prevents the phenomenon that dallies at a high speed, solves the problem from spindle (20) contact site emersion, and the amplitude of winding reel front end continues to keep below the 0.25mm, the senior yarn of can weaving.
Industrial applicability
As above-mentioned, at the copper of the present invention with 10～80 % by weight, the nickel of 10～80 % by weight and 10～The zinc alloying of 80 % by weight, with tetrafluoro polyethylene coating inner face, thickness is the following axle of 0.3mm Lining is inserted in around the spindle tip among the spinning frame knitting wool tube and makes reel, makes it only to take place little Whether ammonia do not take place the crack or not in thin vibrations, weares and teares hardly, thereby obtain with best The spinning frame reel of condition weaving.
And the male and fomale(M﹠F) (11a) that forms at axle bush (11) periphery improves axle bush (11) And between the reel (10), and the conjugation between axle bush (11) and the spindle (20), shape One-tenth is in the one combination when injection molding reel (10) of the keyway (11b) of axle bush (11) lower end Axle bush (11) and reel (10) possess the groove (11c) on axle bush (11) periphery Clamp the spindle tip (21) and support spindle, when the above High Rotation Speed of 30,000rpm, prevent reel The idle running phenomenon, do not take place to greatly reduce reel from the phenomenon of spindle (20) contact site emersion The amplitude of front end, and the senior yarn of can weaving.
Claims (5)
1, the winding reel of spinning frame (10) has following feature: with the copper of 10～80 weight %, the zinc alloying of the nickel of 10～80 weight % and 10～80 weight %, at inner face in order to form coat side with slick and sly contact of spindle, thickness be the interior axle bush (11) of 0.3mm be plugged among the spinning frame knitting wool tube (10) the spindle tip (21) on every side.
2, the spinning frame winding reel according to claim 1 has following feature: above-mentioned coat side forms with the tetrafluoro polyethylene.
3, the spinning frame winding reel according to claim 1 or claim 2 has following feature: form male and fomale(M﹠F) (11a) on the periphery of axle bush (11).
4, the spinning frame winding reel according to claim 1 or claim 2 has following feature: form keyway (11b) in axle bush (11) lower end, the winding reel material is filled in above-mentioned keyway (11b) lining during the injection molding winding reel, makes winding reel and the combination of axle bush one.
5, the spinning frame winding reel according to claim 1 or claim 2 has following feature: the groove (11c) that forms the spindle tip (21) on the periphery of axle bush (11).
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20050062206 | 2005-07-11 | ||
| KR20050062206 | 2005-07-11 | ||
| KR2005-0062206 | 2005-07-11 | ||
| KR1020050074749A KR100659924B1 (en) | 2005-07-11 | 2005-08-16 | Bobbin for spinning frame |
| KR20050074749 | 2005-08-16 | ||
| KR2005-0074749 | 2005-08-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1896350A true CN1896350A (en) | 2007-01-17 |
| CN1896350B CN1896350B (en) | 2011-04-13 |
Family
ID=37608984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005101063600A Expired - Fee Related CN1896350B (en) | 2005-07-11 | 2005-09-22 | Bobbin for spinning frame |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100659924B1 (en) |
| CN (1) | CN1896350B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200460299Y1 (en) | 2008-10-09 | 2012-05-15 | 배진철 | spinning machine bobbin |
| KR200474797Y1 (en) * | 2012-11-20 | 2014-10-16 | 고재갑 | Spinning machine bobbin |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59216928A (en) | 1983-05-24 | 1984-12-07 | Howa Mach Ltd | Top supporting type flyer |
| DE3820327A1 (en) * | 1988-06-15 | 1989-12-21 | Stahlecker Fritz | Mounting for spindles of spinning or twisting machines |
| US5014928A (en) * | 1990-03-26 | 1991-05-14 | Sonoco Products Company | Yarn carrier and method and apparatus for manufacturing the same |
| CN2105502U (en) * | 1991-06-15 | 1992-05-27 | 崔人德 | Non-hole trough aluminium alloy bobbin |
| CN2107451U (en) * | 1991-09-26 | 1992-06-17 | 卢位煌 | Paper bobbin bushing |
| CN2124928U (en) * | 1992-06-16 | 1992-12-16 | 房忠华 | Dual-purpose bobbin |
| KR950031439A (en) * | 1994-05-30 | 1995-12-18 | 이덕영 | Antistatic coating treatment on synthetic resin bobbin |
| CN2425905Y (en) * | 2000-04-28 | 2001-04-04 | 黄信舜 | Conic doffing tube |
| DE10052675B4 (en) * | 2000-10-24 | 2005-06-02 | Joachim Meyer | Heizkühlhülse |
-
2005
- 2005-08-16 KR KR1020050074749A patent/KR100659924B1/en not_active IP Right Cessation
- 2005-09-22 CN CN2005101063600A patent/CN1896350B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1896350B (en) | 2011-04-13 |
| KR100659924B1 (en) | 2006-12-21 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20110922 |