CN109340373A - Flange metal gasket and its production equipment and production technology - Google Patents
Flange metal gasket and its production equipment and production technology Download PDFInfo
- Publication number
- CN109340373A CN109340373A CN201811238195.8A CN201811238195A CN109340373A CN 109340373 A CN109340373 A CN 109340373A CN 201811238195 A CN201811238195 A CN 201811238195A CN 109340373 A CN109340373 A CN 109340373A
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- Prior art keywords
- tooth form
- metal gasket
- metallic framework
- tooth
- flange metal
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a kind of flange metal gasket and its production equipment and production technology, which includes tooth form metallic framework, and the depth set on the tooth form groove of tooth form metallic framework two sides is arranged in variation.Soft graphite can be embedded into tooth form groove in use, and since the depth of wave tooth is had any different, compression degree of the soft graphite in different wave teeth is different, that is deformation of the soft graphite in different wave teeth is different, and since soft graphite in use is to maintain deformed state, the creep rebound degree of graphite can be improved in the different setting of tooth form depth of groove, and then improves the service life of soft graphite.Meanwhile being arranged by the depth difference of tooth form groove, sealing effect in use also becomes more excellent accordingly, reduces leakage when using, increases service life.
Description
Technical field
The present invention relates to flange seal field, in particular to a kind of flange metal gasket and its production equipment and production work
Skill.
Background technique
The Chinese patent that Authorization Notice No. is 205877502 U of CN, the applying date is on July 19th, 2016 discloses one kind
Novel flange gasket comprising there are tooth form metallic framework and the flexible graphite layer set on tooth form metallic framework two sides, when in use,
Under certain pre-tight stress, the concentric grooves structure meeting for the special shape of the upper and lower surface of tooth form metallic framework mutually staggered
Compound, the preliminary sealing of realization is adjacent to flexible graphite layer, while the wave toothing that tooth form metallic framework mutually staggers may be implemented
Gasket it is multi-sealed.
Although above-mentioned flange gasket has more excellent sealing effect, in long-time use process, and
Some such as high pressure special occasions so inevitably leak in use, appointing.Especially under condition of high voltage, if its is close
When envelope effect fails under hyperbaric environment, serious leakage will cause, or even cause serious consequence.
Summary of the invention
The purpose of the present invention one is to provide a kind of flange metal gasket, and there is better seal and high pressure anti-leak to imitate
Fruit.
Above-mentioned technical purpose one of the invention has the technical scheme that
A kind of flange metal gasket, including tooth form metallic framework, set on the depth of the tooth form groove of tooth form metallic framework two sides
Degree is in variation setting.
So set, soft graphite can be embedded into tooth form groove in use, and since the depth of wave tooth has area
Not, compression degree of the soft graphite in different wave teeth is different, i.e. deformation of the soft graphite in different wave teeth is different
, and since soft graphite in use is to maintain deformed state, graphite can be improved in the different setting of tooth form depth of groove
Creep rebound degree, and then improve soft graphite service life.Meanwhile being arranged by the depth difference of tooth form groove, make
Also become more excellent accordingly with sealing effect in the process, reduces slip when using, increases service life.
Further preferably are as follows: the depth of the tooth form groove is from two sides to centre in gradually shallow setting.
It is not in that variation sharply causes soft graphite to hold so set, the deformation of soft graphite is made to be gradual change
It is easy to damage, will not because of tooth form groove depth difference it is shallower and unobvious to the promotion of creep rebound degree.
Further preferably are as follows: the angle of the tooth form groove is all the same, and the peak-to-peak spacing of tooth of the tooth form groove is identical, appoints
Anticipate the two adjacent tooth form grooves groove depth difference it is identical.
The identical setting of groove depth difference forms whole regular deformation so that the deformation of soft graphite is more gentle；Again
Conjunction gear is peak-to-peak away from identical setting, so that the promotion of creep rebound degree is more obvious.
Further preferably are as follows: tooth form metallic framework two sides are provided with flexible cover, the pressure of the flexible cover
Shrinkage is 10% ~ 50%, rebound degree >=12%.
So set, in conjunction with the improvement of tooth form metal framework structure above, so that the vaccum leakage rate of metal gasket can be with
Reach≤1.2*10-5, it is greatly improved sealing effect.
The purpose of the present invention two is to provide a kind of production equipment of flange metal gasket.
Above-mentioned technical purpose two of the invention has the technical scheme that
A kind of production equipment of flange metal gasket, comprising:
One station；
At least one driving mechanism, on station, for driving tooth form metallic framework around axial line rotation；
One cutting mechanism is set on station, includes the cutter head for cutting connected in star.
The rolling support seat for placing tooth form metallic framework is provided on the station, the tooth form metallic framework is certainly
The rolling friction between rolling support seat during turning.
So set, cuff driving mechanism drives the rotation of tooth form metallic framework, during the rotation that recurs, by cutter head in tooth
Tooth form groove is processed on the end face of shape metallic framework.
Further preferably are as follows: if the rolling support seat includes support roller and at least one pressure that can be gone up and down along the vertical direction
Roller, the pressure roller are located at the surface of a support roller, are formed positioned at the support roller and pressure roller of same vertical plane and press steady component.
So set, passing through the setting of rolling support seat, so that tooth form metallic framework is to roll during rotation
Frictional force, resistance is smaller, the surface of tooth form metallic framework will not be caused scratch the problems such as, make the tooth form metal processed
Skeleton machining accuracy is higher；And the setting of pressure roller is able to maintain tooth form metallic framework and will not shake during rotation.
Further preferably are as follows: the driving mechanism includes a driving idler wheel being connected to motor and can slide in horizontal direction
Pinch rollers, the driving idler wheel and the axial lines of pinch rollers are arranged along the vertical direction.
So set, clamping tooth form metallic framework by two idler wheels, then drive tooth form golden by driving the rotation of idler wheel
Belong to the rotation of skeleton, structure is simple, and when needing to take out tooth form metallic framework, mobile pinch rollers, very easy to use.
Further preferably are as follows: the mounting hole and arc for connecting with station are provided on the bracket of the steady component of pressure
Waist hole；The individual support roller is mounted on a sliding rail by fastening bolt；It is provided on the attachment base of the driving mechanism
The two arc long lumbar holes for being connect with station.
So set, making the position for pressing steady component, support roller and driving mechanism and being adjustable, making can be for not
Tooth form metallic framework with diameter is processed.
The purpose of the present invention three is to provide a kind of production technology of flange metal gasket.
Above-mentioned technical purpose three of the invention has the technical scheme that
A kind of technique producing above-mentioned flange metal gasket, comprising the following steps:
S1, selection, metal core board select chemical composition and mechanical property to meet Ovshinsky as defined in GB/T32809 and GB/T4237 not
Become rusty steel；Flexible cover selection meets flexible graphite plate as defined in QB/T3625, meets e-PTFE as defined in JB/T10688
Vinyl plate meets polyfluortetraethylene plate as defined in QB/T3625；
S2, cutting cut annulus according to parameter, or cutting, welding manner processes annulus again by being segmented;
The burr that annulus cutting leaves is hung by S3, deburring；
S4, the processing of wave tooth, wave tooth is processed on annulus two sides and forms tooth form metallic framework, wherein in same tooth form groove
Cutter head back and forth lifts, falls in process；
S5, inspection are divided into 20 groups with extracting 100 in a batch of product, randomly select 1 group and tested, wherein tooth form gold
The compression ratio and rebound degree for belonging to skeleton are tested by method B as defined in GB/T12622-2008；The leakage of tooth form metallic framework
Rate is tested by method A as defined in GB/T12622-2008, when have 1 it is undesirable when, extract double amount examined
Survey, appoint have it is undesirable, then will be by the gross from being classified as rejected product.
In conclusion the invention has the following advantages: improving creep by special tooth form groove structure setting
Rebound degree and service life, and slip under vacuum conditions has also obtained very big reduction, and whole sealing effect is more
It is good excellent.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one；
Fig. 2 is the sectional view of embodiment one；
Fig. 3 is the sectional view of embodiment two；
Fig. 4 is the sectional view of embodiment three；
Fig. 5 is the structural schematic diagram of example IV；
Fig. 6 is the portion the A enlarged drawing of Fig. 5.
In figure, 1, tooth form metallic framework；11, tooth form groove；2, flexible cover；3, station；4, driving mechanism；41,
Attachment base；411, arc long lumbar hole；42, idler wheel is driven；43, pinch rollers；44, horizontal air cylinder；5, cutting mechanism；6, steady group is pressed
Part；61, support roller；611, fastening bolt；62, pressure roller；63, sliding rail；64, vertical cylinder；65, bracket；651, arc waist hole；
71, horizontal tuyere；72, vertical tuyere.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
In the description of the present invention, it is to be understood that, the orientation or position of the instructions such as term " on ", "lower", "left", "right"
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is interpreted as limitation of the present invention.
Embodiment 1: a kind of flange metal gasket, as shown in Figure 1, including tooth form metallic framework 1, Yi Jishe in circular ring shape
Flexible cover 2 in 1 two sides of tooth form metallic framework.
Tooth form metallic framework 1 selects chemical composition and mechanical property to meet Ovshinsky as defined in GB/T32809 and GB/T4237
Stainless steel is provided with multiple tooth form grooves 11 with round setting in the two sides of tooth form metallic framework 1, and tooth form groove 11 is in tooth
Wavy shaped configuration is formed on the end face of shape metallic framework 1.
As shown in Fig. 2, the depth of tooth form groove 11 is variation, and in any along the diametrical direction of tooth form metallic framework 1
Setting, i.e., the parameters such as depth and width of adjacent two tooth forms groove 11 can be set it is identical, can not also be identical, go out it in shape
Diversified variation.
Wherein, the compression ratio of flexible cover 2 is 10% ~ 50%, rebound degree >=12%, and material, which can choose, meets QB/
Flexible graphite plate as defined in T3625 meets expanded polytetrafluoroethylplate plate as defined in JB/T10688 or meets as defined in QB/T3625
Polyfluortetraethylene plate.
Soft graphite can be embedded into tooth form groove 11 in use, and since the depth of wave tooth is had any different, it is flexible
Compression degree of the graphite in different wave teeth is different, i.e. deformation of the soft graphite in different wave teeth is different, and by
It is to maintain deformed state in soft graphite in use, the creep of graphite can be improved in the different setting of 11 depth of tooth form groove
Rebound degree, and then improve the service life of soft graphite.Meanwhile being arranged by the depth difference of tooth form groove 11, it was using
Sealing effect in journey also becomes more excellent accordingly, reduces slip when using.
Embodiment 2: as shown in figure 3, difference from example 1 is that, the depth of tooth form groove 11 is arranged in rule,
Its depth is from two sides to centre in gradually shallow setting.
Compared with Example 1, structure setting makes the deformation of soft graphite be gradual change, is not in variation sharply
Cause soft graphite to be easily damaged, will not because of tooth form groove 11 depth difference it is shallower and unknown to the promotion of creep rebound degree
It is aobvious.
Embodiment 3: as shown in figure 4, with embodiment 2 the difference is that, the angle of tooth form groove 11 be it is identical,
The peak-to-peak spacing of the tooth of tooth form groove 11 is also identical, and the groove depth difference of any two adjacent tooth form groove 11 is identical.
Compared with Example 2, structure setting makes the deformation of soft graphite more gentle, forms whole regular shape
Become；It is peak-to-peak away from identical setting setting identical with 11 angle of tooth form groove in conjunction with tooth, so that creep rebound degree is promoted more
Obviously.
Embodiment 4: a kind of production equipment of flange metal gasket, as shown in figure 4, including station 3 and being set to operation
Driving mechanism 4, cutting mechanism 5 and rolling support seat on platform 3.
If rolling support seat includes support roller 61 and at least one pressure roller 62 that can be gone up and down along the vertical direction, the present embodiment packet
Support roller 61 and two pressure rollers 62 there are five including, are provided with a sliding rail 63 in the outside of station 3, sliding rail 63 is fixedly mounted on behaviour
Make 3 side of platform, two of them support roller 61 is connected to sliding rail 63 by fastening bolt 611, is equipped on sliding rail 63 all right one way or the other in cunning
The movable nut slid on rail 63, fastening bolt 611 connect with movable nut, may be implemented to prop up by elastic fastening bolt 611
Roller 61 is supportted whether the fixation of sliding rail 63, with this, the support roller 61 on sliding rail 63 can be carried out by loosening fastening bolt 611
It adjusts, it is made to slide and rotate on sliding rail 63.
Remaining three support rollers 61 are located on station 3 and combination of two forms two between two of them and two pressure rollers 62
Press steady component 6.Support roller 61 and pressure roller 62 in the steady component 6 of same group of pressure are set on a bracket 65, and pressure roller 62 is located at support roller
61 surface, and be mounted on the piston rod of a vertical cylinder 64, it is controlled by vertical cylinder 64 and is moved up and down.
As shown in fig. 6, each driving mechanism 4 includes attachment base 41, driving idler wheel 42 there are two the settings of driving mechanism 4
With pinch rollers 43, two arc long lumbar holes 411 are provided on attachment base 41, pass through that arc long lumbar hole 411 is fixed to be connected by bolt
It connects on station 3, the two steady components 6 of pressure are respectively and fixedly installed on two attachment bases 41.
Driving idler wheel 42 is installed on attachment base 41 and is controlled by motor rotation (not identifying in figure), and pinch rollers 43 are set
In on the piston rod of a horizontal air cylinder 44, its movement is controlled by horizontal air cylinder 44, wherein piston rod, the axis for driving idler wheel 42
The axle center of the heart and pinch rollers 43 is on same straight line.
It drives idler wheel 42 and pinch rollers 43 in being horizontally disposed with, the groove of annular is provided on its side wall.
Wherein, after loose bolts, attachment base 41 can be around the axis of driving idler wheel 42 by two arc long lumbar holes 411 thereon
Heart rotation.It is provided with a mounting hole and arc waist hole 651 on bracket 65, passes through 651 company of being mounted on of mounting hole and arc waist hole
On joint chair 41, also, it can be further adjusted by arc waist hole 651.
As shown in Figure 5 and Figure 6, cutting mechanism 5 is between two driving mechanisms 4 comprising a driving cylinder and a cutter head,
Cutter head is fixedly mounted on the piston rod of driving cylinder, by driving cylinder to control its lifting.In addition, a remaining support roller
61 play a supporting role immediately below cutter head.
Be provided with a horizontal tuyere 71 and a vertical tuyere 72 in cutting work station, horizontal tuyere 71 and vertical tuyere 72 with
Air pump connects the waste residue to clear up on tooth form metallic framework 1.
When in use, tooth form metallic framework 1 is placed on rolling support seat, is supported by five support rods.So
Starting horizontal air cylinder 44 pushes the movement of pinch rollers 43 to clamp tooth form metallic framework 1 afterwards, is sent to fastening bolt 611 and branch at this time
All support rollers 61 are adjusted in bolt on frame 65, make the axial line of each support roller 61 with tooth form metallic framework 1
Center is located on same vertical plane, at this time in starting vertical cylinder 64, carries out the pushing of pressure roller 62 surely tooth form metallic framework 1
Gu starting driving cylinder declines cutter head and carries out the processing of tooth form groove 11 after starting the motor drive driving rotation of idler wheel 42.
A kind of embodiment 5: production technology of flange metal gasket, comprising the following steps:
S1, selection, metal core board select chemical composition and mechanical property to meet Ovshinsky as defined in GB/T32809 and GB/T4237 not
Become rusty steel；The selection of flexible cover 2 meets flexible graphite plate as defined in QB/T3625, meets varicosity as defined in JB/T10688 poly- four
Vinyl fluoride plate meets polyfluortetraethylene plate as defined in QB/T3625；
S2, cutting cut annulus according to parameter, or cutting, welding manner processes annulus again by being segmented;
The burr that annulus cutting leaves is hung by S3, deburring；
S4, the processing of wave tooth, wave tooth is processed on annulus two sides and forms tooth form metallic framework 1, wherein in same tooth form groove
Cutter head back and forth lifts, falls in 11 process；
S5, inspection are divided into 20 groups with extracting 100 in a batch of product, randomly select 1 group and tested, wherein tooth form gold
The compression ratio and rebound degree for belonging to skeleton 1 are tested by method B as defined in GB/T12622-2008；Tooth form metallic framework 1 is let out
Leak rate is tested by method A as defined in GB/T12622-2008, when have 1 it is undesirable when, extract double amount carry out
Detection, appoint have it is undesirable, then will be by the gross from being classified as rejected product.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the protection scope of invention.
Claims (10)
1. a kind of flange metal gasket, including tooth form metallic framework (1), it is characterized in that: being set to the tooth form metallic framework (1) two
The depth of the tooth form groove (11) of side is in variation setting.
2. flange metal gasket according to claim 1, it is characterized in that: the depth of the tooth form groove (11) from two sides to
Centre is in gradually shallow setting.
3. flange metal gasket according to claim 1, it is characterized in that: the angle of the tooth form groove (11) is all the same,
The peak-to-peak spacing of tooth of the tooth form groove (11) is identical, and the groove depth difference of any two adjacent tooth form grooves (11) is identical.
4. flange metal gasket according to claim 1, it is characterized in that: the tooth form metallic framework (1) two sides are provided with
Flexible cover (2), the compression ratio of the flexible cover (2) are 10% ~ 50%, rebound degree >=12%.
5. the production equipment of flange metal gasket described in a kind of any one of claim 1-4, it is characterized in that including:
One station (3)；
At least one driving mechanism (4) is set on station (3), for driving tooth form metallic framework (1) around axial line rotation；
One cutting mechanism (5) is set on station (3), includes the cutter head for cutting connected in star (11).
6. the production equipment of flange metal gasket according to claim 5, it is characterized in that: being arranged on the station (3)
There is a rolling support seat for placing tooth form metallic framework (1), during tooth form metallic framework (1) rotation and rolling support
Rolling friction between seat.
7. the production equipment of flange metal gasket according to claim 6, if it is characterized in that: the rolling support seat includes
Support roller (61) and at least one pressure roller that can be gone up and down along the vertical direction (62), the pressure roller (62) are located at a support roller (61)
Surface forms positioned at the support roller (61) and pressure roller (62) of same vertical plane and presses steady component (6).
8. the production equipment of flange metal gasket according to claim 5, it is characterized in that: the driving mechanism (4) includes
The one driving idler wheel (42) being connected to motor and can in horizontal direction slide pinch rollers (43), the driving idler wheel (42) and
The axial line of pinch rollers (43) is arranged along the vertical direction.
9. the production equipment of flange metal gasket according to claim 7, it is characterized in that: the branch of the steady component (6) of pressure
The mounting hole and arc waist hole (651) for connecting with station (3) are provided on frame (65)；The individual support roller (61)
It is mounted on a sliding rail (63) by fastening bolt (611)；Two are provided on the attachment base (41) of the driving mechanism (4) to be used for
The arc long lumbar hole (411) being connect with station (3).
10. a kind of technique for producing flange metal gasket described in any one of claim 1-4, it is characterized in that including following
Step:
S1, selection, metal core board select chemical composition and mechanical property to meet Ovshinsky as defined in GB/T32809 and GB/T4237 not
Become rusty steel；Flexible cover (2) selection meets that flexible graphite plate as defined in QB/T3625, to meet varicosity as defined in JB/T10688 poly-
Tetrafluoroethene plate meets polyfluortetraethylene plate as defined in QB/T3625；
S2, cutting cut annulus according to parameter, or cutting, welding manner processes annulus again by being segmented;
The burr that annulus cutting leaves is hung by S3, deburring；
S4, the processing of wave tooth, wave tooth is processed on annulus two sides and forms tooth form metallic framework (1), wherein is recessed in same tooth form
Cutter head back and forth lifts, falls in slot (11) process；
S5, inspection are divided into 20 groups with extracting 100 in a batch of product, randomly select 1 group and tested, wherein tooth form gold
The compression ratio and rebound degree for belonging to skeleton (1) are tested by method B as defined in GB/T12622-2008；Tooth form metallic framework (1)
Slip tested by method A as defined in GB/T12622-2008, when have 1 it is undesirable when, extract double amount
Detected, appoint have it is undesirable, then will be by the gross from being classified as rejected product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811238195.8A CN109340373B (en) | 2018-10-23 | 2018-10-23 | Flange metal gasket and production equipment and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811238195.8A CN109340373B (en) | 2018-10-23 | 2018-10-23 | Flange metal gasket and production equipment and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109340373A true CN109340373A (en) | 2019-02-15 |
| CN109340373B CN109340373B (en) | 2020-09-11 |
Family
ID=65311317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811238195.8A Active CN109340373B (en) | 2018-10-23 | 2018-10-23 | Flange metal gasket and production equipment and production process thereof |
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| Country | Link |
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| CN (1) | CN109340373B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102163382B1 (en) * | 2019-10-18 | 2020-10-08 | 동의대학교 산학협력단 | Gasket processing equipment |
| CN115468051A (en) * | 2022-11-02 | 2022-12-13 | 江苏通工金属科技有限公司 | Flange metal gasket for preventing high-pressure failure and production device thereof |
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| CN107160454A (en) * | 2017-07-06 | 2017-09-15 | 芜湖瑞德机械科技有限公司 | A kind of universal bale splitter for rubber |
| CN206854737U (en) * | 2017-06-09 | 2018-01-09 | 温州海蓝工业设计有限公司 | One kind is used for automobile pad cutter device |
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| CN2886231Y (en) * | 2006-01-06 | 2007-04-04 | 铁岭铁光仪器仪表有限责任公司 | Seal gasket |
| CN103032569A (en) * | 2006-01-17 | 2013-04-10 | 阿尔弗雷德·荣格 | Sealing device |
| CN102159859A (en) * | 2008-07-16 | 2011-08-17 | 米科斯珀尔公司 | Comby two-sided overlain gasket for sealing of dismountable flanged joints |
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| CN205715648U (en) * | 2016-06-03 | 2016-11-23 | 慈溪埃弗龙密封件有限公司 | A kind of tooth pad |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102163382B1 (en) * | 2019-10-18 | 2020-10-08 | 동의대학교 산학협력단 | Gasket processing equipment |
| CN115468051A (en) * | 2022-11-02 | 2022-12-13 | 江苏通工金属科技有限公司 | Flange metal gasket for preventing high-pressure failure and production device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109340373B (en) | 2020-09-11 |
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