CN108591457A - A kind of high-temperature and high-presure resistent seal assembly - Google Patents
A kind of high-temperature and high-presure resistent seal assembly Download PDFInfo
- Publication number
- CN108591457A CN108591457A CN201810257609.5A CN201810257609A CN108591457A CN 108591457 A CN108591457 A CN 108591457A CN 201810257609 A CN201810257609 A CN 201810257609A CN 108591457 A CN108591457 A CN 108591457A
- Authority
- CN
- China
- Prior art keywords
- sealing
- component
- sealing ring
- flexible metal
- seal assembly
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 118
- 229910052751 metal Inorganic materials 0.000 claims abstract description 69
- 239000002184 metal Substances 0.000 claims abstract description 69
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 210000002421 cell wall Anatomy 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 238000010146 3D printing Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910001120 nichrome Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 241000233855 Orchidaceae Species 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000009713 electroplating Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 230000007613 environmental effect Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
Classifications
-
- 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
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
- F16J15/0806—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing characterised by material or surface treatment
-
- 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
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
- F16J15/0881—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing the sealing effect being obtained by plastic deformation of the packing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a kind of high-temperature and high-presure resistent seal assemblies, wherein, seal assembly includes the first component and second component of connection to be sealed, and sealing ring is set between the first component and second component, the first component has primary sealing area, there is the second component secondary sealing area, the sealing ring to be arranged between the primary sealing area and the secondary sealing area.The sealing ring of the present invention used need not use electroplating technology in production, and production process pollution is small, be suitable for the processing of sizes sealing ring.The sealing ring is squeezed when for sealing be compressed in component to be sealed between when, its flexible metal coating, which can generate, to be plastically deformed and generates engagement between sealing surface, so that flexible metal is embedded into the uneven place of sealing surface, groove is filled and led up, it stops a leak gap, to realize sealing.
Description
Technical field
The present invention relates to a kind of high-temperature and high-presure resistent seal assemblies.
Background technology
At present in fields such as nuclear power, petrochemical industry, some high temperature, hyperbaric environment or the higher flange seal of leakage class, sometimes
It is sealed using high-performance electric silver plated metals o-ring, but is limited by the size of electroplating pool, large-sized o-ring plating processing is tired
Difficulty, and it is increasingly strict with environmental requirement, and the electroplating technology of high pollution is faced with great environmental protection challenge, electroplating cost
When the river rises the boat goes up, therefore, it is imperative to invent new substitute products.
Invention content
The object of the present invention is to provide a kind of high-temperature and high-presure resistent seal assemblies without using plating processing o-ring.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of high-temperature and high-presure resistent seal assembly, including wait for
The first component and second component of sealed connection, and sealing ring is set between the first component and second component, it is described
There is the first component primary sealing area, the second component to have secondary sealing area, the sealing ring setting close described first
Between cover and the secondary sealing area, the sealing ring includes the metal ring body in closed ring, the metal ring body
Longitudinal section be in O-shaped annulus, be provided at least one flexible metal coated tape in the outside circumference of the metal ring body, it is described
Flexible metal coated tape forms endless belt-shaped along the circumferentially extending of the metal ring body, and the flexible metal coated tape exists
It circumferentially extends and forms coating widths the outside circumference upper edge of the O-shaped annulus, and the sealing ring passes through the flexible metal
Coated tape forms linear sealing or face sealing between the primary sealing area, secondary sealing area respectively.
Preferably, the first component is first flange, and the second component is second flange, the axis of the second flange
Annular groove is offered on side end, the depth of the annular groove is less than the height of the sealing ring, and the sealing ring is housed in institute
It states in annular groove and is compressed between the first flange and second flange along short transverse.
It is further preferred that the flexible metal coating carries two on the sealing ring, two flexible metals apply
Layer band is located on two axis side ends of the metal ring body, and the shape between the first flange, second flange respectively
It is sealed at linear sealing or face.
It is further preferred that the sealing ring is housed in the annular groove and its bottom is fixedly attached to the annular
In the groove bottom wall of slot, on the sealing ring flexible metal coating carry one, the flexible metal coated tape with it is described
Linear sealing or face sealing are formed between first flange.
Preferably, the first component have axially through perforation, the second component is ordinatedly is threaded through institute
The shaft in perforation is stated, annular groove is offered on the axis side end of the first component, the groove width of the annular groove is not less than institute
The outer diameter of O-shaped annulus is stated, the seal assembly further includes the compression end cap being pressed in an axial direction on the sealing ring, the sealing
Ring is housed in the annular groove and is set in the outside circumference of the shaft, and the sealing ring is compressed in along short transverse
Between the first component and the compression end cap,
It is further preferred that the flexible metal coating carries two on the sealing ring, two flexible metal coated tapes
Be located at the radially inner circumference portion of the metal ring body in outer radial periphery portion, and respectively with the outside circumference of the shaft,
Linear sealing or face sealing are formed between the circumferential cell wall of the annular groove.
Preferably, the painting slice width that the flexible metal coated tape is extended to form in circumference on the outside of the O-shaped annulus
Degree is 1mm~10mm.
Preferably, the coating layer thickness of the flexible metal coated tape is 0.01 mm~0.5mm.
As a kind of specific embodiment, the material of the metal ring body is stainless steel or nichrome, described
The material of flexible metal coated tape is silver, gold, copper or aluminium.
As a kind of specific embodiment, the flexible metal coated tape is deposited on the gold by spraying or 3D printing
In the outside circumference for belonging to ring body.
Due to the application of the above technical scheme, the present invention has following advantages compared with prior art：
1. the high temperature high voltage resistant seal assembly of the present invention utilizes flexible gold wherein using novel sealing ring in the sealing ring
Belong to the softer characteristic of coating, plastic deformation can be generated in compression process and generate engagement with sealing surface, makes flexible gold
Belong to the uneven place for being embedded into flange sealing surface, groove is filled and led up, gap of stopping a leak, to realize in high-temperature and high-pressure conditions
Under sealing；
2. the sealing ring used in the present invention is not electroplated without using electroplating technology to more environment-friendly in process
Equipment size limits, the sealing being particularly suitable in large scale seal assembly.
Description of the drawings
Attached drawing 1 is the front view for the sealing ring that the embodiment of the present invention 1 uses；
Attached drawing 2 is the sectional view along A-A of Fig. 1；
Attached drawing 3 is the sectional view of the seal assembly of embodiment 1；
Attached drawing 4 is the front view for the sealing ring that the embodiment of the present invention 2 uses；
Attached drawing 5 is the B-B direction sectional view of Fig. 4；
Attached drawing 6 is the sectional view of 2 seal assembly of embodiment；
Wherein：1, sealing ring；11, metal ring body；12, flexible metal coated tape；13, O-shaped annulus；2, first flange；21,
One sealing surface；3, second flange；31, annular groove；32, secondary sealing area；4, the first component；41, annular groove；42, the first sealing
Face；5, shaft；6, end cap is compressed；7, medium.
Specific implementation mode
Technical scheme of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
It is shown in Figure 3, a kind of high-temperature and high-presure resistent seal assembly provided in this embodiment comprising the first of connection to be sealed
Component and second component, and sealing ring 1 is set between the first component and second component, wherein the first component has
Primary sealing area, second component are equipped with secondary sealing area, and the setting of sealing ring 1 is used between primary sealing area and secondary sealing area
Sealed connection between the first component and second component.
As shown in Figure 1 and Figure 2, sealing ring 1 includes the metal ring body 11 in closed ring, which indulges
To section, that is, the section in the directions A-A is O-shaped annulus 13 along Fig. 1, and two are equipped in the outside circumference of metal ring body 11
Flexible metal coated tape 12, flexible metal coated tape 12 formed along the circumferentially extending of metal ring body 11 it is endless belt-shaped, and should
Flexible metal coated tape 11 forms coating widths in its circumferentially extending of the outside circumference upper edge of O-shaped annulus 13, such as the L in Fig. 2.
In the present embodiment, which is located on two axis side ends of metal ring body 11.
In the sealing ring 1, the material that metal ring body 11 is selected is stainless steel or nichrome；Flexible metal coated tape
12 material is preferably silver, gold, copper or aluminium, it is preferred to use and spraying or 3D printing deposition are covered in metal ring body 11, wherein
Spraying method includes laser spraying, flame-spraying and plasma spraying etc..When setting, the width L of flexible metal coated tape 12 is excellent
It is selected as 1 ~ 10mm, flexible metal coated tape 12 is preferably 0.01 ~ 0.5mm along the radial thickness of O-shaped annulus 13.
Shown in Figure 3, in the present embodiment, the first component is first flange 2, and bottom face forms primary sealing area 21；
Second component is second flange 3, and annular groove 31 is offered on axis side end, and the groove bottom wall of the annular groove 31 forms the second sealing
Face 31.The depth of annular groove 31 is less than the height of sealing ring 1, that is, the outer diameter of O-shaped annulus 13 should be greater than the depth of annular groove 31.
When sealed connection, sealing ring 1 is housed in annular groove 31, in the pressure of bolt presses first flange 2 and second flange 3
Under clamp force effect, sealing ring 1 is compressed axially, and provide intensity by metal ring body 11 supports with rigidity, in compressive deformation
Rebound load is generated, to provide enough Sealing Stress；Meanwhile the flexible metal coated tape 12 of about 1 both sides of sealing ring is distinguished
Line contact is formed with the primary sealing area 21 of first flange 2 and the secondary sealing area 31 of second flange 3 or face contacts, it can
Plastic deformation is generated during compression, to generate engagement between face to be sealed, makes flexible metal coated tape 12
On flexible metal be embedded into the uneven place in face to be sealed, groove is filled and led up, gap of stopping a leak, is realized in high temperature and pressure
Under the conditions of linear sealing or face sealing, prevent air gap leakage of the medium 7 among first flange 2 and second flange 3.
In the seal assembly of the present embodiment, a flexible metal coated tape 12 also can be only set on sealing ring 1, specifically,
The flexible metal coated tape 12 is set on the upside shaft end of metal ring body 11, when seal assembly is installed, first will
The downside shaft end of the metal ring body 11 of sealing ring 1 is weldingly fixed in the groove bottom wall of annular groove 31, then installs first again
Flange 2 and the load for applying axial compression by bolt so that sealing ring 1 is compressed between first flange 2 and second flange 3
Realize sealed connection between the two.
Embodiment 2
Referring to Fig. 4 ~ 6, high-temperature and high-presure resistent seal assembly provided in this embodiment comprising sealing ring 1, the first component 4, shaft
5 and compress end cap 6.The first component 4 have axially through perforation, shaft 5 passes through from above-mentioned perforation, the first component 4
Annular groove 41 is offered on axis side end, the groove width of the annular groove 41 is not less than the outer diameter of O-shaped annulus 13, and sealing ring 1 is housed in
In annular groove 41 and it is set in the outside circumference of shaft 5.The circumferential cell wall 42 of annular groove 41 forms primary sealing area 42, shaft 5
Outside circumference form secondary sealing area.It compresses end cap 6 to be pressed in an axial direction 1 on sealing ring so that sealing ring 1 is along short transverse
Between being compressed in the first component 4 and compressing end cap 6, and the outer radial periphery portion of sealing ring 1, radially inner circumference portion are close with first respectively
Line contact or face contact are formed between cover 42, secondary sealing area.
Shown in Fig. 4, Fig. 5, in the present embodiment, two flexible metal coated tapes 12 of sealing ring 1 are located at becket sheet
The radially inner circumference portion of body 11 is in outer radial periphery portion, and sealing ring 1 is in the axial direction by the first component 4 and compression 6 crimp of end cap
When, the circumferential cell wall 42 of flexible metal coated tape 12 and annular groove 41 in 1 outer radial periphery portion of sealing ring（That is primary sealing area
42）Between form linear sealing or face sealing, the outside of flexible metal coated tape 12 and shaft 5 in 1 radially inner circumference portion of sealing ring
Circumference（That is secondary sealing area）Between form linear sealing or face sealing, realize that the radial seal between shaft 5 and the first component 4 connects
It connects, medium 7 is prevented to be leaked to the direction for compressing end cap 6.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of high-temperature and high-presure resistent seal assembly includes the first component and second component of connection to be sealed, and setting exists
There is primary sealing area, the second component to have for sealing ring between the first component and second component, the first component
Secondary sealing area, the sealing ring are arranged between the primary sealing area and the secondary sealing area, it is characterised in that：It is described
Sealing ring includes the metal ring body in closed ring, and the longitudinal section of the metal ring body is in O-shaped annulus, the becket sheet
At least one flexible metal coated tape is provided in the outside circumference of body, the flexible metal coated tape is along the metal ring body
Circumferentially extending and formed endless belt-shaped, and the flexible metal coated tape is in outside circumference its week of upper edge of the O-shaped annulus
Form coating widths to extension, the sealing ring by the flexible metal coated tape respectively with the primary sealing area,
Linear sealing or face sealing are formed between two sealing surfaces.
2. high-temperature and high-presure resistent seal assembly according to claim 1, it is characterised in that：The first component is the first method
Orchid, the second component are second flange, and annular groove, the depth of the annular groove are offered on the axis side end of the second flange
Less than the height of the sealing ring, the sealing ring is housed in the annular groove and is compressed in described the along short transverse degree
Between one flange and second flange.
3. high-temperature and high-presure resistent seal assembly according to claim 2, it is characterised in that：The flexibility on the sealing ring
Metal coating carries two, and two flexible metal coated tapes are located on two axis side ends of the metal ring body,
And linear sealing or face sealing are formed between the first flange, second flange respectively.
4. high-temperature and high-presure resistent seal assembly according to claim 2, it is characterised in that：The sealing ring is housed in described
In annular groove and its bottom is fixedly attached in the groove bottom wall of the annular groove, the flexible metal coating on the sealing ring
Linear sealing or face sealing are formed with one, between the flexible metal coated tape and the first flange.
5. high-temperature and high-presure resistent seal assembly according to claim 1, it is characterised in that：The first component has along axis
To perforative perforation, the second component is the shaft being ordinatedly threaded through in the perforation, the axis side of the first component
Annular groove is offered in portion, the groove width of the annular groove is not less than the outer diameter of the O-shaped annulus, and the seal assembly further includes edge
Compression end cap of the axial compression on the sealing ring, the sealing ring are housed in the annular groove and are set in the shaft
Outside circumference on, and the sealing ring is compressed in along short transverse between the first component and the compression end cap.
6. high-temperature and high-presure resistent seal assembly according to claim 5, it is characterised in that：The flexibility on the sealing ring
Metal coating carries two, and two flexible metal coated tapes are located at radially inner circumference portion and the diameter of the metal ring body
To on peripheral part, and respectively with the outside circumference of the shaft, the annular groove circumferential cell wall between form linear sealing or face
Sealing.
7. high-temperature and high-presure resistent seal assembly according to any one of claims 1 to 6, it is characterised in that：The flexible metal
The coating widths that coated tape is extended to form in circumference on the outside of the O-shaped annulus are 1mm~10mm.
8. high-temperature and high-presure resistent seal assembly according to any one of claims 1 to 6, it is characterised in that：The flexible metal
The coating layer thickness of coated tape is 0.01 mm~0.5mm.
9. high-temperature and high-presure resistent seal assembly according to any one of claims 1 to 6, it is characterised in that：The becket sheet
The material of body is stainless steel or nichrome, and the material of the flexible metal coated tape is silver, gold, copper or aluminium.
10. high-temperature and high-presure resistent seal assembly according to any one of claims 1 to 6, it is characterised in that：The flexible metal
Coated tape is deposited on by spraying or 3D printing in the outside circumference of the metal ring body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810257609.5A CN108591457A (en) | 2018-03-27 | 2018-03-27 | A kind of high-temperature and high-presure resistent seal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810257609.5A CN108591457A (en) | 2018-03-27 | 2018-03-27 | A kind of high-temperature and high-presure resistent seal assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108591457A true CN108591457A (en) | 2018-09-28 |
Family
ID=63623794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810257609.5A Pending CN108591457A (en) | 2018-03-27 | 2018-03-27 | A kind of high-temperature and high-presure resistent seal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591457A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139910A (en) * | 2018-10-16 | 2019-01-04 | 中国航发南方工业有限公司 | High temperature position big end face seals and method |
| CN109317565A (en) * | 2018-10-09 | 2019-02-12 | 徐召辉 | A kind of sealing device and its application method equipped with punch-pin stamping die |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08193659A (en) * | 1991-09-02 | 1996-07-30 | Keizo Matsumura | Super high vacuum gasket and vacuum container using it |
| JPH09177976A (en) * | 1995-12-28 | 1997-07-11 | Nippon Valqua Ind Ltd | Metal hollow o-ring |
| US20040157035A1 (en) * | 2003-02-10 | 2004-08-12 | Guizzetti Allen R. | Low permeation gaskets |
| CN103745756A (en) * | 2013-12-23 | 2014-04-23 | 宁波天生密封件有限公司 | Production process of O-shaped seal ring of nuclear reactor pressure vessel and products thereof |
| JP2016056873A (en) * | 2014-09-09 | 2016-04-21 | イーグル工業株式会社 | Seal device and packing used in the seal device |
| CN105782445A (en) * | 2016-05-04 | 2016-07-20 | 苏州宝骅机械技术有限公司 | High-compression high-springback radial seal assembly |
| CN207975245U (en) * | 2018-03-27 | 2018-10-16 | 苏州宝骅密封科技股份有限公司 | A kind of high-temperature and high-presure resistent seal assembly |
-
2018
- 2018-03-27 CN CN201810257609.5A patent/CN108591457A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08193659A (en) * | 1991-09-02 | 1996-07-30 | Keizo Matsumura | Super high vacuum gasket and vacuum container using it |
| JPH09177976A (en) * | 1995-12-28 | 1997-07-11 | Nippon Valqua Ind Ltd | Metal hollow o-ring |
| US20040157035A1 (en) * | 2003-02-10 | 2004-08-12 | Guizzetti Allen R. | Low permeation gaskets |
| CN103745756A (en) * | 2013-12-23 | 2014-04-23 | 宁波天生密封件有限公司 | Production process of O-shaped seal ring of nuclear reactor pressure vessel and products thereof |
| JP2016056873A (en) * | 2014-09-09 | 2016-04-21 | イーグル工業株式会社 | Seal device and packing used in the seal device |
| CN105782445A (en) * | 2016-05-04 | 2016-07-20 | 苏州宝骅机械技术有限公司 | High-compression high-springback radial seal assembly |
| CN207975245U (en) * | 2018-03-27 | 2018-10-16 | 苏州宝骅密封科技股份有限公司 | A kind of high-temperature and high-presure resistent seal assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109317565A (en) * | 2018-10-09 | 2019-02-12 | 徐召辉 | A kind of sealing device and its application method equipped with punch-pin stamping die |
| CN109317565B (en) * | 2018-10-09 | 2020-09-11 | 金爵五金塑胶（深圳）有限公司 | Sealing device for stamping die and using method thereof |
| CN109139910A (en) * | 2018-10-16 | 2019-01-04 | 中国航发南方工业有限公司 | High temperature position big end face seals and method |
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