CN105856509A - Injection mold threaded rack matching type eight-head internal thread core-pulling mechanism - Google Patents
Injection mold threaded rack matching type eight-head internal thread core-pulling mechanism Download PDFInfo
- Publication number
- CN105856509A CN105856509A CN201610371904.4A CN201610371904A CN105856509A CN 105856509 A CN105856509 A CN 105856509A CN 201610371904 A CN201610371904 A CN 201610371904A CN 105856509 A CN105856509 A CN 105856509A
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- China
- Prior art keywords
- plate
- screw thread
- fuse
- tongue
- tooth bar
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to an injection mold threaded rack matching type eight-head internal thread core-pulling mechanism which is characterized by comprising an upper compound plate and a lower compound plate, wherein a rack fixing plate and a lock module are arranged on the upper compound plate; a lower male pothook of a secondary mold-opening male block is arranged on one side of the upper compound plate; a rack is arranged in the rack fixing plate; a spring slot is formed on one side of the rack fixing plate provided with a fixed mold; a spring and a tongue are arranged in the spring slot; a straight baffle surface is arranged at the upper end of one head of the tongue while an inclined guide surface is arranged at the lower end and is in contact with a male pothook; one end of an external thread core arranged in an internal thread sleeve arranged under the fixed mold is matched with an internal thread of a plastic piece while the other end is in contact with a lock module; a gear arranged on the outer wall of the middle section of the external thread core is matched with the rack; a pushing tube core is mounted on a pushing tube core fixing plate arranged on the lower compound plate; a mold pin, an upper thimble plate and a lower thimble plate are arranged on the pushing tube core fixing plate; a pushing tube is arranged between the upper thimble plate and the lower thimble plate; a moveable mold is arranged on the mold pin; resetting devices are arranged on the moveable mold and the outer walls on one sides of the upper and lower thimble plates; a female pothook is arranged on a secondary mold-opening female block arranged on the outer side of the moveable mold and is in contact with the straight baffle surface of the tongue.
Description
Technical field
The present invention relates to injection mold, particularly relate to eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula.
Background technology
Eight internal thread commandant's casees can be particularly suited for the multi-direction wiring of rotunda so that wire structures is more compact, symmetrical, attractive in appearance in eight direction regulation and control wiring situations of a plane.Additionally for the multimedia conferencing room of roundtable conference, the topological structure netting twine layout of LAN is also with a wide range of applications.The injection mold of existing eight internal thread products generally uses plasthetics to squeeze into threaded insert, after product injection mo(u)lding, is removed from the molds by inserts together with product, threaded insert is extracted out again with fixture, this structure processing trouble, labor strength is big, reduces production efficiency.To realize automated production, eight oil motors can be respectively provided with in a mold, eight external screw thread fuse rotary core pullings of drive respectively are driven by oil motor, but the cost of oil motor is expensive, and installation site is restricted, need to do the volume of mould is bigger, thus needs more large-tonnage injection machine, improves the development cost of mould and injection machine.
Summary of the invention
The invention aims to the shortcoming overcoming prior art to exist, it is provided that a kind of easy to process, alleviate labor strength, improve eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula of production efficiency.
nullThe technical scheme of eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula of the present invention is: it is characterized in that including compound plate and lower compound plate，Tooth bar fixed plate and lock module are set under upper compound plate，Upper compound plate side arranges twice-die-opening public affairs block，Public drag hook it is shaped with under twice-die-opening public affairs block，Tooth bar fixed plate arranges tooth bar，Under tooth bar fixed plate, cover half is set，Cover half side has spring groove，Spring groove arranges spring and tongue，One of tongue is exposed spring groove，The upper end of tongue exposed portion is shaped with straight block face，The lower end of tongue exposed portion is shaped with oblique surface，Oblique surface contacts with public drag hook，Under cover half, inner screw sheath is set，Inner screw sheath arranges external screw thread fuse，One of external screw thread fuse is matched with the internal thread of working of plastics，Other end contacts with lock module，The stage casing outer wall of screw thread fuse is shaped with gear outside，Wheel and rack matches，Lower compound plate arranges ejector sleeve fuse fixed plate，Ejector sleeve fuse is installed in ejector sleeve fuse fixed plate，In ejector sleeve fuse fixed plate, mould pin is set、Upper ejector retainner plate and lower ejector retainner plate，Upper、The outer wall being positioned at ejector sleeve fuse between lower ejector retainner plate arranges ejector sleeve，Mould pin arranges dynamic model，Dynamic model and upper、The side outer wall of lower ejector retainner plate arranges first resetting means，Twice-die-opening mother tuber is set outside dynamic model，Female drag hook it is shaped with on twice-die-opening mother tuber，Female drag hook contacts with the straight block face of tongue.
nullThe invention discloses a kind of eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula，When after working of plastics injection mo(u)lding，Lower compound plate drives dynamic model installing plate、Mould pin、Upper ejector retainner plate、Lower ejector retainner plate、Ejector sleeve fuse、Ejector sleeve、Dynamic model is moved rearwards by together with working of plastics，Dynamic model drives twice-die-opening mother tuber to be moved rearwards by，Owing to female drag hook of twice-die-opening mother tuber matches with the straight block face of tongue，Therefore twice-die-opening mother tuber drives tongue to be moved rearwards by，Tongue band active and inactive mold、Inner screw sheath is backward movement together with external screw thread fuse，Make mould first from opening realization die sinking for the first time between tooth bar fixed plate and cover half，And due to upper compound plate、Tooth bar fixed plate、Tooth bar and lock module remain stationary as，Therefore rack drives external screw thread fuse rotates，External screw thread fuse is made to rotate while axially outwardly moving along the internal thread of inner screw sheath，External screw thread fuse is made outwards to deviate from the internal thread hole of working of plastics，And lower compound plate drives dynamic model installing plate、Mould pin、Upper ejector retainner plate、Lower ejector retainner plate、Ejector sleeve fuse、Ejector sleeve、Dynamic model and working of plastics continue to be moved rearwards by，When the oblique surface of tongue lower end, cover half side contacts with the public drag hook of twice-die-opening public affairs block，Public drag hook inwardly promotes tongue through oblique surface，Make in tongue retraction spring groove，Thus cause tongue also to disengage with female drag hook，Now mould is gradually opened at dynamic model and cover half，Mould secondary die sinking，Last by upper、Lower ejector retainner plate drives ejector sleeve by working of plastics ejection device.Eight inner threaded core-pulling mechanisms of this programme injection mold screw thread tooth bar formula, utilize tooth bar and the cooperation of external screw thread fuse, external screw thread fuse coordinates with inner screw sheath, in conjunction with twice-die-opening public affairs block, twice-die-opening mother tuber and the cooperation of tongue, mould is made first to open between tooth bar fixed plate and cover half, external screw thread fuse rotary core pulling, make mould from die sinking between dynamic model and cover half again, by working of plastics automatic ejection demoulding, and without workman, working of plastics and inserts taking-up are put in fixture again and loose core, thus it is easy to operate, alleviate the labour intensity of workman, improve production efficiency.
Eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula of the present invention, described ejector sleeve fuse external wall of upper portion has pass hopper, close the inwall of hopper for tiltedly closing charge level, an outer wall of screw thread fuse is shaped with corresponding inclined-plane outside, and of external screw thread fuse matches through working of plastics with the pass hopper of ejector sleeve fuse.Owing to the motion of external screw thread fuse should bear rotary motion radially, also move before and after bearing axially, its action is the most complicated, so necessarily require during being molded the most firm, one of external screw thread fuse is coordinated with the charge level that tiltedly closes closing hopper by inclined-plane so that close material sealing position more accurate.The other end of described external screw thread fuse is round table surface, and round table surface matches with the inclined-plane of lock module inwall.When making matched moulds lock module reset, the inclined-plane of lock module contacts with the round table surface cooperation of external screw thread fuse, prevents collision.Described first resetting means includes arranging pushing block outside ejector retainner plate and lower ejector retainner plate, arranges fork outside dynamic model, and fork distribution is rotatably connected with dynamic model, arranges torsion spring outside pin, and torsion spring matches with fork.After being ejected by working of plastics, torsion spring is rotated down under restoring force effect, and torsion spring drives fork to be rotated down, and fork pushes down on pushing block, and pushing block drives upper and lower ejector retainner plate homing downwards.
Accompanying drawing explanation
Fig. 1 is the matched moulds status architecture schematic diagram of eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula；
Fig. 2 is a die opening state structural representation of eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula；
Fig. 3 is the twice-die-opening status architecture schematic diagram of eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula；
Fig. 4 is close-up schematic view at the A of Fig. 1；
Fig. 5 is the schematic perspective view of ejector sleeve fuse and external screw thread fuse mated condition；
Fig. 6 is twice-die-opening public affairs block, twice-die-opening mother tuber and tongue mated condition schematic perspective view.
Detailed description of the invention
nullThe present invention relates to a kind of eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula，As shown in Fig. 1 Fig. 6，It is characterized in that: include compound plate 1 and lower compound plate 2，Tooth bar fixed plate 3 and lock module 4 are set under upper compound plate，Upper compound plate side arranges twice-die-opening public affairs block 5，Public drag hook 6 it is shaped with under twice-die-opening public affairs block，Tooth bar fixed plate arranges tooth bar 7，Cover half 8 is set under tooth bar fixed plate，Cover half side has spring groove 9，Spring groove arranges spring 10 and tongue 11，One of tongue is exposed spring groove，The upper end of tongue exposed portion is shaped with straight block face 12，The lower end of tongue exposed portion is shaped with oblique surface 13，Oblique surface contacts with public drag hook 6，At cover half, 8 times inner screw sheath 14 is set，Inner screw sheath arranges external screw thread fuse 15，One of external screw thread fuse is matched with the internal thread of working of plastics，Other end contacts with lock module 4，The stage casing outer wall of screw thread fuse is shaped with gear 16 outside，Wheel and rack 7 matches，Lower compound plate 2 arranges ejector sleeve fuse fixed plate 17，Ejector sleeve fuse 18 is installed in ejector sleeve fuse fixed plate，In ejector sleeve fuse fixed plate, mould pin 19 is set、Upper ejector retainner plate 20 and lower ejector retainner plate 21，Upper、The outer wall being positioned at ejector sleeve fuse 18 between lower ejector retainner plate arranges ejector sleeve 22，Mould pin arranges dynamic model 23，Dynamic model and upper、Lower ejector retainner plate 20、The side outer wall of 21 arranges first resetting means，Twice-die-opening mother tuber 24 is set outside dynamic model，Female drag hook 25 it is shaped with on twice-die-opening mother tuber，Female drag hook contacts with the straight block face 12 of tongue 11.nullWhen after working of plastics injection mo(u)lding，Lower compound plate 2 drives ejector sleeve fuse fixed plate 17、Mould pin 19、Upper ejector retainner plate 20、Lower ejector retainner plate 21、Ejector sleeve fuse 18、Ejector sleeve 22、Dynamic model 23 is moved rearwards by together with working of plastics，Dynamic model 23 drives twice-die-opening mother tuber 24 to be moved rearwards by，Owing to female drag hook 25 of twice-die-opening mother tuber matches with the straight block face 12 of tongue 11，Therefore twice-die-opening mother tuber 24 drives tongue 11 to be moved rearwards by，Tongue band active and inactive mold 8、Inner screw sheath 14 is backward movement together with external screw thread fuse 15，Make mould first from opening realization die sinking for the first time between tooth bar fixed plate 3 and cover half 8，And due to upper compound plate 1、Tooth bar fixed plate 3、Tooth bar 7 and lock module 4 remain stationary as，Therefore rack drives external screw thread fuse 15 rotates，External screw thread fuse is made to rotate while axially outwardly moving along the internal thread of inner screw sheath 14，External screw thread fuse is made outwards to deviate from the internal thread hole of working of plastics，And lower compound plate 2 drives ejector sleeve fuse fixed plate 17、Mould pin 19、Upper ejector retainner plate 20、Lower ejector retainner plate 21、Ejector sleeve fuse 18、Ejector sleeve 22、Dynamic model 23 and working of plastics continue to be moved rearwards by，When the oblique surface 13 of tongue 11 lower end, cover half 8 side contacts with the public drag hook 6 of twice-die-opening public affairs block 5，Public drag hook inwardly promotes tongue 11 through oblique surface 13，Make in tongue retraction spring groove 9，Thus cause tongue also to disengage with female drag hook 25，Now mould is gradually opened at dynamic model 23 and cover half 8，Mould secondary die sinking，Last by upper、Lower ejector retainner plate 20、21 drive ejector sleeve 22 by working of plastics ejection device.Eight inner threaded core-pulling mechanisms of this programme injection mold screw thread tooth bar formula, utilize tooth bar 7 and the cooperation of external screw thread fuse 15, external screw thread fuse coordinates with inner screw sheath 14, in conjunction with twice-die-opening public affairs block 5, twice-die-opening mother tuber 24 and the cooperation of tongue 11, mould is made first to open between tooth bar fixed plate 3 and cover half 8, external screw thread fuse 15 rotary core pulling, make mould from die sinking between dynamic model 23 and cover half 8 again, by working of plastics automatic ejection demoulding, and without workman, working of plastics and inserts taking-up are put in fixture again and loose core, thus it is easy to operate, alleviate the labour intensity of workman, improve production efficiency.Described ejector sleeve fuse 18 external wall of upper portion has pass hopper 26, and the inwall closing hopper is tiltedly to close charge level 27, and an outer wall of screw thread fuse 15 is shaped with corresponding inclined-plane outside, and of external screw thread fuse 18 matches through working of plastics with the pass hopper 26 of ejector sleeve fuse.Owing to the motion of external screw thread fuse 18 should bear rotary motion radially, also move before and after bearing axially, its action is the most complicated, so necessarily require during being molded the most firm, one of external screw thread fuse 18 is coordinated with the charge level 27 that tiltedly closes closing hopper 26 by inclined-plane so that close material sealing position more accurate.The other end of described external screw thread fuse 18 is round table surface 28, and round table surface matches with the inclined-plane of lock module 4 inwall.When making matched moulds lock module 4 reset, the inclined-plane of lock module contacts with round table surface 28 cooperation of external screw thread fuse 18, prevents collision.Described first resetting means includes arranging pushing block 29 outside ejector retainner plate 20 and lower ejector retainner plate 21, arranges fork 30 outside dynamic model 23, and fork distribution 31 is rotatably connected with dynamic model, arranges torsion spring outside pin, and torsion spring matches with fork.After being ejected by working of plastics, torsion spring is rotated down under restoring force effect, and torsion spring drives fork 30 to be rotated down, and fork pushes down on pushing block 29, and pushing block drives upper and lower ejector retainner plate 20,21 homing downwards.
Claims (4)
- null1. eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula，It is characterized in that: include compound plate (1) and lower compound plate (2)，Tooth bar fixed plate (3) and lock module (4) are set under upper compound plate，Upper compound plate side arranges twice-die-opening public affairs block (5)，Public drag hook (6) it is shaped with under twice-die-opening public affairs block，Tooth bar fixed plate arranges tooth bar (7)，Cover half (8) is set under tooth bar fixed plate，Cover half side has spring groove (9)，Spring groove arranges spring (10) and tongue (11)，One of tongue is exposed spring groove，The upper end of tongue exposed portion is shaped with straight block face (12)，The lower end of tongue exposed portion is shaped with oblique surface (13)，Oblique surface contacts with public drag hook (6)，Inner screw sheath (14) is set under cover half (8)，Inner screw sheath arranges external screw thread fuse (15)，One of external screw thread fuse is matched with the internal thread of working of plastics，Other end contacts with lock module (4)，The stage casing outer wall of screw thread fuse is shaped with gear (16) outside，Wheel and rack (7) matches，Lower compound plate (2) arranges ejector sleeve fuse fixed plate (17)，Ejector sleeve fuse (18) is installed in ejector sleeve fuse fixed plate，Mould pin (19) is set in ejector sleeve fuse fixed plate、Upper ejector retainner plate (20) and lower ejector retainner plate (21)，Upper、The outer wall being positioned at ejector sleeve fuse (18) between lower ejector retainner plate arranges ejector sleeve (22)，Mould pin arranges dynamic model (23)，Dynamic model and upper、Lower ejector retainner plate (20、21) side outer wall arranges first resetting means，Twice-die-opening mother tuber (24) is set outside dynamic model，Female drag hook (25) it is shaped with on twice-die-opening mother tuber，Female drag hook contacts with the straight block face (12) of tongue (11).
- 2. eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula as claimed in claim 1, it is characterized in that: described ejector sleeve fuse (18) external wall of upper portion has pass hopper (26), close the inwall of hopper for tiltedly closing charge level (27), an outer wall of screw thread fuse (15) is shaped with corresponding inclined-plane outside, and of external screw thread fuse matches through working of plastics with the pass hopper (26) of ejector sleeve fuse (18).
- 3. eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula as claimed in claim 1, it is characterised in that: the other end of described external screw thread fuse (15) is round table surface (28), and round table surface matches with the inclined-plane of lock module (4) inwall.
- 4. eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula as claimed in claim 1, it is characterized in that: described first resetting means includes that ejector retainner plate (20) and lower ejector retainner plate (21) outside arrange pushing block (29), in dynamic model (23) outside, fork (30) is set, fork distribution (31) is rotatably connected with dynamic model, arranging torsion spring outside pin, torsion spring matches with fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610371904.4A CN105856509B (en) | 2016-05-31 | 2016-05-31 | Eight inner threaded core-pulling mechanisms of injection mold screw thread rack formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610371904.4A CN105856509B (en) | 2016-05-31 | 2016-05-31 | Eight inner threaded core-pulling mechanisms of injection mold screw thread rack formula |
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| Publication Number | Publication Date |
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| CN105856509A true CN105856509A (en) | 2016-08-17 |
| CN105856509B CN105856509B (en) | 2018-08-17 |
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| CN201610371904.4A Active CN105856509B (en) | 2016-05-31 | 2016-05-31 | Eight inner threaded core-pulling mechanisms of injection mold screw thread rack formula |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976213A (en) * | 2017-03-28 | 2017-07-25 | 宁波神通模塑有限公司 | A kind of inner threaded core-pulling structure of injection mold |
| CN108582702A (en) * | 2018-02-02 | 2018-09-28 | 嘉兴信元精密模具科技有限公司 | A kind of synchronous mold-opening mechanism |
| CN112693045A (en) * | 2020-12-14 | 2021-04-23 | 芜湖安博帝特工业有限公司 | Automobile dust cover machining die |
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| CN205767290U (en) * | 2016-05-31 | 2016-12-07 | 永高股份有限公司 | Eight inner threaded core-pulling mechanisms of injection mold screw thread tooth bar formula |
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2016
- 2016-05-31 CN CN201610371904.4A patent/CN105856509B/en active Active
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| JP2003205534A (en) * | 2002-01-11 | 2003-07-22 | Kasai Kogyo Co Ltd | Mold |
| CN101104307A (en) * | 2006-07-10 | 2008-01-16 | 富士能佐野株式会社 | Die device for injection forming |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976213A (en) * | 2017-03-28 | 2017-07-25 | 宁波神通模塑有限公司 | A kind of inner threaded core-pulling structure of injection mold |
| CN108582702A (en) * | 2018-02-02 | 2018-09-28 | 嘉兴信元精密模具科技有限公司 | A kind of synchronous mold-opening mechanism |
| CN112693045A (en) * | 2020-12-14 | 2021-04-23 | 芜湖安博帝特工业有限公司 | Automobile dust cover machining die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105856509B (en) | 2018-08-17 |
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Effective date of registration: 20201209 Address after: Room 540, office building, new port area, Chenglingji, Yueyang City, Hunan Province Patentee after: Hunan ad building materials Co.,Ltd. Address before: Huangyan Economic Development Zone, Taizhou City, Zhejiang province 318020 Dai Xi Road No. 2 Patentee before: YONGGAO Co.,Ltd. |
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Address after: 414000 Yunxin Avenue, Dongfeng Village, songyanghu office, Yueyang District, China (Hunan) pilot Free Trade Zone, Yueyang City, Hunan Province (next to itas Industrial Materials Co., Ltd.) Patentee after: Ad pipeline (Hunan) Co.,Ltd. Address before: Room 540, office building, new port area, Chenglingji, Yueyang City, Hunan Province Patentee before: Hunan ad building materials Co.,Ltd. |