CN101298174B - Vacuum mechanism of rubber plate vulcanization machine - Google Patents
Vacuum mechanism of rubber plate vulcanization machine Download PDFInfo
- Publication number
- CN101298174B CN101298174B CN200810062295XA CN200810062295A CN101298174B CN 101298174 B CN101298174 B CN 101298174B CN 200810062295X A CN200810062295X A CN 200810062295XA CN 200810062295 A CN200810062295 A CN 200810062295A CN 101298174 B CN101298174 B CN 101298174B
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- Prior art keywords
- vacuum
- tight
- housing
- right sides
- traveller
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- Expired - Fee Related
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- 238000004073 vulcanization Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 239000002390 adhesive tape Substances 0.000 claims description 35
- 229910001369 Brass Inorganic materials 0.000 claims description 31
- 239000010951 brass Substances 0.000 claims description 31
- 238000003825 pressing Methods 0.000 claims description 24
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 239000004411 aluminium Substances 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052802 copper Inorganic materials 0.000 abstract 2
- 239000010949 copper Substances 0.000 abstract 2
- 238000005086 pumping Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 1
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention provides a vacuum mechanism used for a rubber plate vulcanization machine, comprising a sliding column which is arranged below a top base and a vacuum cover which is positioned on the sliding column and moves up and down along the sliding column; the sliding column is formed to be square by adopting the welding of steel plates; the upper part of the sliding column is fixed on the top base by fixing screws and the lower end is provided with a front sliding block, a rear sliding block, a left sliding block, a right sliding block and vacuum leakage-proof rubber strips; the vacuum cover is positioned on the sliding column; the four walls of the vacuum cover are closely attached to the sliding column; the lower end of the sliding column is provided with the front sliding block, the rear sliding block, the left sliding block, the right sliding block and the vacuum leakage-proof rubber strips; vacuum cover copper liners which are arranged at the left side and the right side of the vacuum cover are provided with copper liners which are attached to a host machine pillar and have the effect of balancing the vacuum cover; the left side and the right side of the vacuum cover are also provided with vacuum cover cylinder fixed bases; the head of the vacuum cover cylinder is arranged on the fixed base of the vacuum cover cylinder; the tail of the vacuum cover cylinder is fixed on the top base, thus leading the vacuum cover to move up and down; the lower end of the vacuum cover is provided with hermetical oil-resistance strips; furthermore, the vacuum cover is assembled with a sliding plate so as to form a sealing space inside the vacuum cover, thus achieving the aim of vacuum pumping.
Description
Technical field
The present invention relates to the rubber plate vulcanization machine technical field, relate in particular to the vacuum mechanism of rubber plate vulcanization machine; Be applied to clamp force greater than rubber plate vulcanization machine type more than 600 tons.
Background technology
Its vacuum mechanism of existing rubber vulcanizing machine mostly is bell-type, be positioned on the round traveller, on traveller upper and lower displacement and with sliding panel sealing after vacuumize to make and be vacuum state in the cover, its processing and installation are comparatively complicated, the also inapplicable clamp force of structure is a rubber plate vulcanization machine more than 600 tons, cause the rubber plate vulcanization machine of clamp force more than 600 tons mostly to be no vacuum system type, the product cure time is generally longer, and end product quality particularly surface quality is relatively poor.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned prior art present situation, and provides a kind of rational in infrastructure, processing and easy for installation, the vacuum mechanism of suitable clamp force vulcanizing press of type more than 600 tons.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the vacuum mechanism of rubber plate vulcanization machine includes the traveller that is installed under the footstock and is positioned on the traveller and along the vacuum (-tight) housing of traveller upper and lower displacement and forms; Wherein: it is square that traveller adopts steel plate to be welded, and its top is fixed on the footstock with fixed screw, slide block, left and right sides slide block and vacuum leakproof adhesive tape before and after its lower end is equipped with; Vacuum (-tight) housing is positioned on the traveller, the wall of vacuum (-tight) housing is close to the traveller lower end the front and back slide block, left and right sides slide block and vacuum leakproof adhesive tape, the left and right sides of vacuum (-tight) housing is equipped with vacuum (-tight) housing brass seat, in this vacuum (-tight) housing brass seat brass is installed, brass fits on the main frame pillar, play the balance vacuum (-tight) housing, the left and right sides of vacuum (-tight) housing also is equipped with vacuum (-tight) housing oil cylinder holder, vacuum (-tight) housing oil cylinder head is installed on the vacuum (-tight) housing oil cylinder holder, vacuum (-tight) housing oil cylinder afterbody is fixed on the footstock, move by the vacuum (-tight) housing oil cylinder, make vacuum (-tight) housing do upper and lower displacement, the vacuum (-tight) housing lower end is equipped with sealing oil resistant bar and engages with sliding panel and makes formation one confined space in the vacuum (-tight) housing, thereby reaches the purpose that vacuumizes.
The technical measures of taking also comprise:
Above-mentioned traveller is a squared design, be processed with a step around the traveller lower end, vacuum leakproof adhesive tape is installed in this step, vacuum leakproof adhesive tape, vacuum leakproof adhesive tape is fixed on the traveller with pressing plate before and after adhesive tape left and right sides pressing plate and the adhesive tape, above the pressing plate square aluminium extruded type is installed before and after adhesive tape left and right sides pressing plate and the adhesive tape, the square aluminium extruded type outside is connected with left and right sides slide block and front and back slide block with another T type screw; Square aluminium extruded type is equipped with pressing plate, and pressing plate is fixed on left and right sides fixed block and the front and back fixed block by T type screw, and left and right sides fixed block and front and back fixed block are welded on the traveller lower end, and end to end formation one is square; By regulating T type screw, can regulate the left-right and front-back distance of left and right sides slide block, front and back slide block and vacuum leakproof adhesive tape.
Above-mentioned vacuum (-tight) housing adopts can dismantle the frame design, vacuum (-tight) housing left and right sides wall is arranged respectively and the vacuum (-tight) housing front and rear wall is end to end forms, be fixedly connected with left right angle stiffening plate and right right angle stiffening plate on four right angles of vacuum (-tight) housing, vacuum (-tight) housing lower end fluting seals after sealing oil resistant bar and sliding panel joint are installed; The vacuum (-tight) housing oil cylinder fixed mount and the vacuum (-tight) housing brass seat of symmetry are installed on the wall of the vacuum (-tight) housing left and right sides, about vacuum (-tight) housing brass seat in twos the symmetry and and the main frame pillar over against the position, brass is installed in the vacuum (-tight) housing brass seat, the one side main frame pillar of fitting, do upper and lower displacement with vacuum (-tight) housing, play positioning action, make the steady upper and lower displacement of vacuum (-tight) housing; Symmetrical in twos about vacuum (-tight) housing oil cylinder fixed mount also is, vacuum (-tight) housing oil cylinder head is installed in the vacuum (-tight) housing oil cylinder fixed mount, and the bottom is fixed on the footstock, and the active force through the vacuum (-tight) housing oil cylinder makes the vacuum (-tight) housing upper and lower displacement; Vacuum (-tight) housing lower end fluting is equipped with sealing oil resistant bar, and vacuum leakproof adhesive tape is fitted on vacuum (-tight) housing wall and the traveller, and lower end and sliding panel seal after engaging; About also being processed with on the wall of the vacuum (-tight) housing left and right sides in twos the symmetry through hole, vacuum line is installed.
Above-mentioned vacuum (-tight) housing left and right sides wall and vacuum (-tight) housing front and rear wall inwall hard chrome plating are handled, and vacuum (-tight) housing brass seat, brass and vacuum (-tight) housing oil cylinder are symmetric mode installation in twos, can effectively increase its wearability and sealing.
Design has a sealed space to be vacuum state in the above-mentioned footstock, with vacuum (-tight) housing generation convection current, can effectively improve evacuation rate when vacuumizing; Logical cooling water in the deep hole is arranged at the traveller bottom.
Compared with prior art, the present invention adopts vacuum (-tight) housing frame design, processes, installs and keep in repair convenient and economical, has solved the difficult problem of clamp force type band vacuum system more than 600 tons; The traveller squared design has effectively increased the pressure distribution area, and sealing strip adopts the pressing plate mounting means, has increased the function of regulating, and efficiently solves the vacuum seal problem, and the design vacuum space makes to vacuumize improved efficiency in the footstock, has reduced the board floor space.
Description of drawings
Fig. 1 is an embodiment of the invention side-looking assembling schematic diagram;
Fig. 2 is that the embodiment of the invention is faced the assembling schematic diagram;
Fig. 3 is the A portion enlarged diagram of Fig. 1;
Fig. 4 is an embodiment of the invention traveller side-looking assembling schematic diagram;
Fig. 5 is that embodiment of the invention traveller is overlooked the assembling schematic diagram;
Fig. 6 is the B portion enlarged diagram of Fig. 4;
Fig. 7 is an embodiment of the invention vacuum (-tight) housing side-looking assembling schematic diagram;
Fig. 8 is that embodiment of the invention vacuum (-tight) housing is overlooked the assembling schematic diagram;
Fig. 9 is the C portion enlarged diagram of Fig. 7.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Structure of the present invention sees that Fig. 1 is to shown in Figure 9.Number sliding panel 101, pillar 102 among the figure, footstock 103, vacuum (-tight) housing 200, vacuum (-tight) housing brass seat 201, brass 202, vacuum (-tight) housing oil cylinder fixed mount 203, vacuum (-tight) housing oil cylinder 204, vacuum (-tight) housing front and rear wall 205, vacuum (-tight) housing left and right sides wall 206, left right angle stiffening plate 207, right right angle stiffening plate 208, sealing oil resistant bar 209, traveller 301, adhesive tape left and right sides pressing plate 302, pressing plate 303, pressing plate 304 before and after the adhesive tape, left and right sides fixed block 305, front and back fixed head 306, vacuum (-tight) housing leakproof adhesive tape 307, front and back slide block 308, left and right sides slide block 309, square aluminium extruded type 310, T type screw 311, T type screw 312.
The vacuum mechanism of rubber plate vulcanization machine includes the traveller 301 that is installed under the footstock 103 and is positioned on the traveller 301 and along the vacuum (-tight) housing 200 of traveller 301 upper and lower displacements and forms.It is square that traveller 301 adopts steel plate to be welded, and top is fixed on the footstock 103 with fixed screw, slide block 308, left and right sides slide block 309 and vacuum leakproof adhesive tape 307 before and after the lower end is equipped with; Vacuum (-tight) housing 200 is positioned on the traveller 301, the wall of vacuum (-tight) housing 200 is close to and is positioned at the front and back slide block 308 that traveller 301 lower ends are provided with, on left and right sides slide block 309 and the vacuum leakproof adhesive tape 307, the left and right sides is equipped with vacuum (-tight) housing brass seat 201, in the vacuum (-tight) housing brass seat 201 brass 202 is installed, brass 202 fits on the main frame pillar 102, play balance vacuum (-tight) housing 200, the left and right sides also is equipped with vacuum (-tight) housing oil cylinder holder 203, vacuum (-tight) housing oil cylinder 204 heads are installed on the vacuum (-tight) housing oil cylinder holder 203, vacuum (-tight) housing oil cylinder 204 afterbodys are fixed on the footstock 103, by 204 motions of vacuum (-tight) housing oil cylinder, make vacuum (-tight) housing 200 do upper and lower displacement, vacuum (-tight) housing 200 lower ends are equipped with sealing oil resistant bar 209 and engage with sliding panel 101 and make formation one confined spaces in the vacuum (-tight) housing 200, thereby reach the purpose that vacuumizes.
The technical measures of taking also comprise:
Above-mentioned traveller 301 is a squared design, be processed with a step around the lower end of traveller 301, vacuum leakproof adhesive tape 307 is installed in the step, pressing plate 304 is fixed on the traveller 301 before and after vacuum leakproof adhesive tape 307 usefulness adhesive tape left and right sides pressing plates 302 and the adhesive tape, above the pressing plate 304 square aluminium extruded type 310 is installed before and after adhesive tape left and right sides pressing plate 302 and the adhesive tape, afterbody is fixed on left and right sides fixed block 305 and the front and back fixed block 306 by T type screw 311, left and right sides fixed block 305 and front and back fixed block 306 are welded on traveller 301 lower ends, and end to end formation one is square; Pressing plate 304 tops before and after adhesive tape left and right sides pressing plate 302 and the adhesive tape, square aluminium extruded type 310 outsides are connected with left and right sides slide block 309 and front and back slide block 308 with another T type screw 312; Square aluminium extruded type 310 tops are equipped with pressing plate 303, and pressing plate 303 is fixed on left and right sides fixed block 305 and the front and back fixed block 306; By regulating the T type screw 311 that connects square aluminium extruded type 310, can regulate the left-right and front-back distance of left and right sides slide block 309, front and back slide block 308 and vacuum leakproof adhesive tape 307.
Above-mentioned vacuum (-tight) housing 200 adopts detachable frame design, there are vacuum (-tight) housing left and right sides wall 206 and vacuum (-tight) housing front and rear wall 205 to combine, process screw hole on the vacuum (-tight) housing front and rear wall 205, working groove and through hole on the wall 206 of the vacuum (-tight) housing left and right sides, vacuum (-tight) housing left and right sides wall 206 and vacuum (-tight) housing front and rear wall 205 are end to end, fix with fixed screw; Fixing with left right angle stiffening plate 207 and right right angle stiffening plate 208 on four right angles of vacuum (-tight) housing, vacuum (-tight) housing 200 lower ends fluting seals after sealing oil resistant bar 209 and sliding panel 101 joints are installed; The vacuum (-tight) housing oil cylinder fixed mount 203 and the vacuum (-tight) housing brass seat 201 of symmetry are installed on the vacuum (-tight) housing left and right sides wall 206, vacuum (-tight) housing brass seat about 201 in twos the symmetry and and main frame pillar 102 over against the position, brass 202 is installed in the vacuum (-tight) housing brass seat 201, the one side main frame pillar 102 of fitting, do upper and lower displacement with vacuum (-tight) housing 200, play positioning action, make vacuum (-tight) housing 200 steady upper and lower displacements; Symmetrical in twos about vacuum (-tight) housing oil cylinder fixed mount 203 also is, vacuum (-tight) housing oil cylinder 204 heads are installed in the vacuum (-tight) housing oil cylinder fixed mount 203, and the bottom is fixed on the footstock 103, and the active force through vacuum (-tight) housing oil cylinder 204 makes vacuum (-tight) housing 200 upper and lower displacements.About also being processed with on the vacuum (-tight) housing left and right sides wall 206 in twos the symmetry through hole, vacuum line is installed.
Hard chrome plating is handled behind above-mentioned vacuum (-tight) housing left and right sides wall 206 and the vacuum (-tight) housing front and rear wall 205 inwall disc sharpeners, effectively increases its wearability and sealing.
Design has a sealed space to be vacuum state in the above-mentioned footstock 103, with vacuum (-tight) housing generation convection current, can effectively improve evacuation rate when vacuumizing.
Above-mentioned traveller 301 lower ends are processed with deep hole, interior logical cooling water.
This kind mechanism design has solved the present clamp force vacuum system problem that rubber plate vulcanization machine lacked more than 600 tons, and adopt the detachable frame design of vacuum (-tight) housing, avoided the processing of large-scale vacuum cover that problems such as complexity are installed, traveller adopts square welding manner, make pressure distribution more even, board increases service life, more presents economy; Main large-scale vulcanization of rubber product can use vacuum system, and cure time effectively shortens, and end product quality particularly surface quality promotes the initial purpose that becomes this design.
Though the present invention illustrates and describes by the reference preferred embodiment, right professional and technical personnel should understand, in the scope of claims, can the various variations on the form of work and the details.
Claims (4)
1. the vacuum mechanism of rubber plate vulcanization machine includes the traveller (301) that is installed under the footstock (103) and is positioned at traveller (301) and upward and along the vacuum (-tight) housing (200) of traveller (301) upper and lower displacement forms; It is characterized in that: it is square that described traveller (301) adopts steel plate to be welded, and its top is fixed on the footstock (103) with fixed screw, slide block (308), left and right sides slide block (309) and vacuum leakproof adhesive tape (307) before and after its lower end is equipped with; Vacuum (-tight) housing (200) is positioned on the traveller (301), the wall of vacuum (-tight) housing (200) is close to and is positioned at the front and back slide block (308) that traveller (301) lower end is provided with, on left and right sides slide block (309) and the vacuum leakproof adhesive tape (307), the left and right sides of vacuum (-tight) housing (200) is equipped with vacuum (-tight) housing brass seat (201), in this vacuum (-tight) housing brass seat (201) brass (202) is installed, brass (202) fits on the main frame pillar (102), play balance vacuum (-tight) housing (200), the left and right sides of vacuum (-tight) housing (200) also is equipped with vacuum (-tight) housing oil cylinder holder (203), vacuum (-tight) housing oil cylinder (204) head is installed on the vacuum (-tight) housing oil cylinder holder (203), vacuum (-tight) housing oil cylinder (204) afterbody is fixed on the footstock (103), move by vacuum (-tight) housing oil cylinder (204), make vacuum (-tight) housing (200) do upper and lower displacement, vacuum (-tight) housing (200) lower end is equipped with sealing oil resistant bar (209) and engages with sliding panel (101) and makes formation one confined space in the vacuum (-tight) housing (200), thereby reaches the purpose that vacuumizes.
2. according to the vacuum mechanism of claims 1 described rubber plate vulcanization machine, it is characterized in that: described traveller (301) is squared design, be processed with a step around traveller (301) lower end, vacuum leakproof adhesive tape (307) is installed in this step, and vacuum leakproof adhesive tape (307) is fixed on the traveller (301) with pressing plate (304) before and after adhesive tape left and right sides pressing plate (302) and the adhesive tape; Above the pressing plate (304) square aluminium extruded type (310) is installed before and after adhesive tape left and right sides pressing plate (302) and the adhesive tape, afterbody is fixed on left and right sides fixed block (305) and the front and back fixed block (306) by T type screw (311); Square aluminium extruded type (310) outside is connected with left and right sides slide block (309) and front and back slide block (308) with another T type screw (312); Described square aluminium extruded type (310) is equipped with pressing plate (303), pressing plate (303) is fixed on left and right sides fixed block (305) and the front and back fixed block (306) by T type screw (311), left and right sides fixed block (305) and front and back fixed block (306) are welded on traveller (301) lower end, and end to end formation one is square; By regulating T type screw (311), can regulate the left-right and front-back distance of left and right sides slide block (309), front and back slide block (308) and vacuum leakproof adhesive tape (307).
3. according to the vacuum mechanism of claims 1 described rubber plate vulcanization machine, it is characterized in that: described vacuum (-tight) housing (200) adopts can dismantle the frame design, end to end the forming of vacuum (-tight) housing left and right sides wall (206) and vacuum (-tight) housing front and rear wall ((205)) arranged respectively, be fixedly connected with left right angle stiffening plate (207) and right right angle stiffening plate (208) on four right angles of described vacuum (-tight) housing, vacuum (-tight) housing (200) lower end fluting is equipped with sealing oil resistant bar (209); The vacuum (-tight) housing oil cylinder fixed mount (203) and the vacuum (-tight) housing brass seat (201) of symmetry are installed on the vacuum (-tight) housing left and right sides wall (206), about vacuum (-tight) housing brass seat (201) in twos the symmetry and and main frame pillar (102) over against the position, brass (202) is installed in the vacuum (-tight) housing brass seat (201), brass (202) fits on the main frame pillar (102), do upper and lower displacement with vacuum (-tight) housing (200), play positioning action, make steadily upper and lower displacement of vacuum (-tight) housing (200); It is symmetrical in twos about vacuum (-tight) housing oil cylinder fixed mount (203) also is, vacuum (-tight) housing oil cylinder (204) head is installed in the vacuum (-tight) housing oil cylinder fixed mount (203), the bottom is fixed on the footstock (103), and the active force through vacuum (-tight) housing oil cylinder (204) makes vacuum (-tight) housing (200) upper and lower displacement; Vacuum (-tight) housing (200) lower end fluting is equipped with sealing oil resistant bar (209), and vacuum (-tight) housing (200) wall and traveller (301) are gone up vacuum leakproof adhesive tape (307) and fitted, and lower end and sliding panel (101) seal after engaging; About also being processed with on the vacuum (-tight) housing left and right sides wall (206) in twos the symmetry through hole, vacuum line is installed.
4. according to the vacuum mechanism of claims 3 described rubber plate vulcanization machines, it is characterized in that: described vacuum (-tight) housing left and right sides wall (206) and vacuum (-tight) housing front and rear wall (205) inwall hard chrome plating are handled, vacuum (-tight) housing brass seat, brass and vacuum (-tight) housing oil cylinder are symmetric mode installation in twos, can effectively increase its wearability and sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810062295XA CN101298174B (en) | 2008-06-12 | 2008-06-12 | Vacuum mechanism of rubber plate vulcanization machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810062295XA CN101298174B (en) | 2008-06-12 | 2008-06-12 | Vacuum mechanism of rubber plate vulcanization machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101298174A CN101298174A (en) | 2008-11-05 |
| CN101298174B true CN101298174B (en) | 2010-08-18 |
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ID=40078192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810062295XA Expired - Fee Related CN101298174B (en) | 2008-06-12 | 2008-06-12 | Vacuum mechanism of rubber plate vulcanization machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101298174B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555122B (en) * | 2012-01-12 | 2014-05-14 | 东毓(宁波)油压工业有限公司 | Vacuum vulcanizing machine with invisible vacuum storage barrel and vacuum pumping control pipeline connecting method thereof |
| CN111941700A (en) * | 2020-08-07 | 2020-11-17 | 东毓(宁波)油压工业有限公司 | Vacuum mechanism of vulcanizing machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2273246Y (en) * | 1996-06-19 | 1998-01-28 | 大连第一锻压机械设备厂 | Vacuum-pumping flat-plate vulcanizer |
| CN201227848Y (en) * | 2008-06-12 | 2009-04-29 | 东毓(宁波)油压工业有限公司 | Vacuum mechanism of rubber platen vulcanizing press |
-
2008
- 2008-06-12 CN CN200810062295XA patent/CN101298174B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2273246Y (en) * | 1996-06-19 | 1998-01-28 | 大连第一锻压机械设备厂 | Vacuum-pumping flat-plate vulcanizer |
| CN201227848Y (en) * | 2008-06-12 | 2009-04-29 | 东毓(宁波)油压工业有限公司 | Vacuum mechanism of rubber platen vulcanizing press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101298174A (en) | 2008-11-05 |
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Owner name: DONGSHU (NINGBO ) OIL PRESSURE INDUSTRY CO., LTD. Free format text: FORMER OWNER: YANG ZHENTANG Effective date: 20101026 |
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Effective date of registration: 20101026 Address after: Zhenhai District 315200 Zhejiang city of Ningbo Province East Road No. 166 Patentee after: DONGYU (NINGBO) HYDRAULIC MACHINERY Co.,Ltd. Address before: Zhenhai District 315200 Zhejiang city of Ningbo Province East Road No. 166 Patentee before: Yang Zhentang |
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Granted publication date: 20100818 |