CN111649133A - Winding gasket - Google Patents
Winding gasket Download PDFInfo
- Publication number
- CN111649133A CN111649133A CN202010493141.7A CN202010493141A CN111649133A CN 111649133 A CN111649133 A CN 111649133A CN 202010493141 A CN202010493141 A CN 202010493141A CN 111649133 A CN111649133 A CN 111649133A
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- CN
- China
- Prior art keywords
- ring
- sealing
- arc tooth
- circular arc
- gasket
- 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
- 238000004804 winding Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 90
- 239000002184 metal Substances 0.000 claims abstract description 39
- 239000010410 layer Substances 0.000 claims description 29
- 229910052755 nonmetal Inorganic materials 0.000 claims description 19
- 229910045601 alloy Inorganic materials 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 11
- 239000011247 coating layer Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 238000005470 impregnation Methods 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- -1 304 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
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
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
- F16J15/121—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement
-
- 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
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
-
- 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
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
-
- 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
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/108—Special methods for making a non-metallic packing
-
- 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
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
- F16J15/121—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement
- F16J15/127—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement the reinforcement being a compression stopper
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The present invention provides a wound gasket, comprising: the sealing device comprises an elastic metal ring of an inner ring, an arc tooth skeleton ring of an outer ring and a sealing body arranged between the elastic metal ring of the inner ring and the arc tooth skeleton ring of the outer ring. According to the technical scheme, the elastic metal ring of the inner ring, the circular arc tooth skeleton ring of the outer ring and the sealing body arranged between the elastic metal ring of the inner ring and the circular arc tooth skeleton ring of the outer ring form multiple sealing together, and the risk of sealing failure is greatly reduced. The winding gasket multi-sealing type combination provided by the invention has the linear sealing and surface sealing modes of the inner ring elastic metal ring and the multi-linear sealing mode of the outer ring arc tooth framework, and the multiple sealing modes are mutually matched, so that the impact pressure of a medium on a sealing surface is reduced layer by layer, a comprehensive sealing combination type with a higher safety level is formed, the risk of sealing failure is greatly reduced, and the sealing performance is improved.
Description
Technical Field
The invention relates to the technical field of sealing gaskets, in particular to a wound gasket.
Background
The wound gasket generally comprises a metal inner ring, a sealing body and a metal outer ring, wherein the sealing body is formed by spirally winding a metal belt and a non-metal belt. The V-shaped or W-shaped framework after the metal band is deformed provides continuous resilience force, so that the non-metal band is in contact with the flange surface to fill up microscopic unevenness to form effective sealing, and the metal inner ring and the metal outer ring only play roles in positioning and supporting. However, under some severe working conditions of high temperature, high pressure and frequent alternation of temperature and pressure, the V-shaped framework or the W-shaped framework of the wound gasket metal belt is easily affected by pressure, temperature change and mechanical vibration, so that stress relaxation occurs, and the resilience force is weakened to cause sealing failure.
Therefore, how to avoid the sealing failure caused by the stress relaxation of the metal band framework wound with the gasket under the harsh working condition becomes a problem to be solved urgently.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
Accordingly, it is an object of the present invention to provide a wound gasket that compensates for multiple seals for stress relaxation phenomena to reduce the risk of seal failure.
In order to achieve the above object, an aspect of the present invention provides a wound gasket, including: the sealing device comprises an elastic metal ring of an inner ring, an arc tooth skeleton ring of an outer ring and a sealing body arranged between the elastic metal ring of the inner ring and the arc tooth skeleton ring of the outer ring.
Preferably, the elastic metal ring includes: the gasket comprises a circular ring-shaped elastomer, an intermediate alloy coating layer coated on the circular ring-shaped elastomer and a sealing layer coated on the intermediate alloy coating layer, wherein the cross section of the sealing layer along the radial direction is of a C-shaped structure with an opening facing the center of the wound gasket.
The sealing layer may be an overwrap sealing layer or an electroplated sealing layer.
Preferably, the annular elastic body is an annular spring or a hollow elastic ring.
Preferably, the circular-arc tooth skeleton ring comprises: the circular arc tooth framework, the cyclic annular circular arc tooth of circular arc tooth framework to the center department of winding gasket is crooked, cyclic annular circular arc tooth is a plurality of and both sides from top to bottom along the radial arrangement of circular arc tooth framework.
When the flange contacts with the annular circular arc teeth, a circle of small cavity can be formed between every two adjacent annular circular arc teeth, if under extreme conditions, when a medium rushes through the elastic metal ring and the sealing body, the medium can enter the small cavity, and by means of pressure of the medium, a plurality of circular arc teeth can be formed for self-tightening sealing, so that the risk of sealing failure is reduced.
The circular arc tooth framework can be made of stainless steel, such as 304 and 316L. The upper and lower circular arc teeth are symmetrical, and the distance between every two adjacent circular arc teeth is the same. 4-5 annular circular arc teeth can be respectively arranged on the upper side and the lower side along the radial direction of the circular arc tooth framework. And multiple self-tightening seals are adopted, so that the sealing firmness is stronger.
Preferably, the circular-arc tooth skeleton ring further comprises: and the flexible non-metal layers cover the upper side and the lower side of the circular arc tooth framework.
Preferably, the flexible non-metal layer is a thin plate material layer composed of one or more of graphite, mica and non-asbestos.
Preferably, the sealing body is formed by spirally winding a metal strip and a non-metal strip.
Preferably, the non-metal belt is wound after being subjected to a resin impregnation treatment.
Preferably, a cross section of the sealing body in a radial direction thereof has a V-shaped structure or a W-shaped structure opened toward a center of the wound gasket.
Preferably, the thickness of the circular arc tooth skeleton ring is smaller than the thickness of the elastic metal ring and the thickness of the sealing body.
The winding gasket provided by the invention has the following beneficial technical effects:
(1) the elastic metal ring of the inner ring, the circular arc tooth skeleton ring of the outer ring and the sealing body arranged between the elastic metal ring and the circular arc tooth skeleton ring form multiple sealing together, and the risk of sealing failure is greatly reduced.
(2) The elastic metal ring of inner circle forms first heavy sealed, and wherein, the ring form elastomer is to providing lasting support elasticity to the master alloy coating all the time, and the during operation, sealing layer and flange face take place contact deformation, form the line seal, and along with operating pressure's rising, the ring form elastomer of medium permeable plays the supporting role to the master alloy coating moreover for first heavy sealed has from tight sealing performance simultaneously.
(3) The non-metal belt in the sealing body is wound after being impregnated by resin, so that air holes in the non-metal belt can be blocked, the phenomenon of permeation and leakage is reduced, and the sealing performance is further improved.
(4) The annular circular arc teeth on the circular arc tooth framework can form multi-track sealing, if extreme conditions occur, when the elastic metal ring and the sealing body are broken by a medium, the medium can enter the groove between the annular circular arc teeth, the multi-track circular arc tooth self-tightening sealing is formed by utilizing the pressure of the medium, and the risk of sealing failure is further reduced.
(5) The winding gasket multi-sealing type combination provided by the invention has the linear sealing and surface sealing modes of the inner ring elastic metal ring and the multi-linear sealing mode of the outer ring arc tooth framework, and the multiple sealing modes are mutually matched, so that the impact pressure of a medium on a sealing surface is reduced layer by layer, a comprehensive sealing combination type with a higher safety level is formed, the risk of sealing failure is greatly reduced, and the sealing performance is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic longitudinal cross-sectional view of a wound gasket according to one embodiment of the invention;
FIG. 2 shows a cross-sectional structural schematic of a wound gasket in accordance with an embodiment of the invention;
figure 3 shows a schematic view of a wound gasket according to an embodiment of the invention in operation when placed between two flanges,
wherein, the corresponding relationship between the reference numbers and the components in fig. 1 to 3 is:
102 elastic metal rings, 1022 circular ring-shaped elastic bodies, 1024 intermediate alloy coating layers, 1026 sealing layers, 104 circular arc tooth framework rings, 1042 circular arc tooth frameworks, 1044 circular arc teeth, 1046 flexible non-metal layers, 106 sealing bodies, 1062 metal bands, 1064 non-metal bands and 108 flanges.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A winding shim according to an embodiment of the present invention will be specifically described below with reference to fig. 1 to 3.
As shown in fig. 1 to 3, the wound gasket according to the embodiment of the present invention includes an inner ring of elastic metal ring 102, an outer ring of circular-arc tooth skeleton ring 104, and a seal body 106 disposed therebetween. Thus, multiple seals are formed together, greatly reducing the risk of seal failure. The elastic metal ring 102 includes: the gasket comprises an annular elastic body 1022, an intermediate alloy coating layer 1024 coated on the annular elastic body 1022 and a sealing layer 1026 coated on the intermediate alloy coating layer 1024, wherein the cross section of the sealing layer 1026 along the radial direction is of a C-shaped structure with an opening facing the center of the wound gasket. Therefore, the elastic metal ring 102 of the inner ring forms a first reseal, wherein the annular elastic body 1022 provides a lasting supporting elastic force for the intermediate alloy coating layer 1024 all the time, when the sealing device works, the sealing layer 1026 and the flange 108 face are in contact deformation to form a line seal, and along with the rise of working pressure, a medium can penetrate through the annular elastic body 1022 to support the intermediate alloy coating layer 1024, so that the first reseal has a self-tightening sealing performance at the same time.
Further, the sealing layer 1026 may be an overwrap sealing layer or an electroplated sealing layer.
Further, the annular elastic body 1022 is an annular spring or a hollow elastic ring.
As shown in fig. 1 to 3, the circular-arc tooth skeleton ring 104 includes: an arc tooth framework 1042 and flexible nonmetal layers 1046 covering the upper and lower sides of the arc tooth framework 1042. The annular circular-arc teeth 1044 of the circular-arc tooth framework 1042 are bent towards the center of the wound gasket, and the plurality of annular circular-arc teeth 1044 are arranged at the upper side and the lower side along the radial direction of the circular-arc tooth framework 1042.
When the flange 108 and the annular circular-arc teeth 1044 are in contact, a circle of small cavity is formed between every two adjacent annular circular-arc teeth 1044, if in an extreme case, when a medium rushes through the elastic metal ring 102 and the sealing body 106, the medium can enter the small cavity, and a plurality of circular-arc teeth self-tightening seals can be formed by using the pressure of the medium, so that the risk of sealing failure is further reduced.
Further, the circular-arc tooth frame 1042 may be made of stainless steel, such as 304, 316L. The upper and lower circular arc teeth 1044 are symmetrical, and the distance between every two adjacent circular arc teeth 1044 is the same. 4-5 annular circular-arc teeth 1044 can be respectively arranged on the upper side and the lower side along the radial direction of the circular-arc tooth framework 1042. And multiple self-tightening seals are adopted, so that the sealing firmness is stronger.
Further, the flexible non-metal layer 1046 is a thin plate material layer made of one or more of graphite, mica, and non-asbestos, so that the sealing effect is further improved.
Further, the seal body 106 is spirally wound with a metal tape 1062 and a non-metal tape 1064. The non-metal tape 1064 is wound after resin impregnation treatment.
The non-metal strip 1064 in the sealing body 106 is wound after being impregnated with resin, so that air holes in the non-metal strip 1064 can be blocked, the occurrence of permeation and leakage is reduced, and the sealing performance is further improved.
Further, as shown in fig. 1 to 3, the cross section of the sealing body 106 in the radial direction thereof has a V-shaped configuration opened toward the center of the wound gasket.
It is also possible that the cross section of the sealing body 106 in its radial direction has a W-shaped configuration with the opening facing the center of the wound gasket.
The sealing body 106 has better compression and resilience performance due to the structural design.
Further, as shown in fig. 1 and 3, the thickness of the circular-arc tooth skeleton ring 104 is smaller than the thickness of the elastic metal ring 102 and the seal body 106.
After the upper and lower flanges 108 are tightened, the resilient metal ring 102 and the seal body 106, the circular arc toothed skeleton ring 104 are compressed to the same thickness.
The winding gasket multi-sealing type combination provided by the invention has the linear sealing and surface sealing modes of the inner ring elastic metal ring and the multi-linear sealing mode of the outer ring arc tooth framework, and the multiple sealing modes are mutually matched, so that the impact pressure of a medium on a sealing surface is reduced layer by layer, a comprehensive sealing combination type with a higher safety level is formed, the risk of sealing failure is greatly reduced, and the sealing performance is improved.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A wound gasket, comprising: the sealing device comprises an elastic metal ring of an inner ring, an arc tooth skeleton ring of an outer ring and a sealing body arranged between the elastic metal ring of the inner ring and the arc tooth skeleton ring of the outer ring.
2. The wound gasket of claim 1 wherein said resilient metal ring comprises: the gasket comprises a circular ring-shaped elastomer, an intermediate alloy coating layer coated on the circular ring-shaped elastomer and a sealing layer coated on the intermediate alloy coating layer, wherein the cross section of the sealing layer along the radial direction is of a C-shaped structure with an opening facing the center of the wound gasket.
3. The wound gasket of claim 2,
the annular elastic body is an annular spring or a hollow elastic ring.
4. The wound gasket of claim 1 wherein said circular arc tooth skeletal ring comprises:
the circular arc tooth framework, the cyclic annular circular arc tooth of circular arc tooth framework to the center department of winding gasket is crooked, cyclic annular circular arc tooth is a plurality of and both sides from top to bottom along the radial arrangement of circular arc tooth framework.
5. The wound gasket of claim 4 wherein said circular arc tooth skeletal ring further comprises: and the flexible non-metal layers cover the upper side and the lower side of the circular arc tooth framework.
6. The wound gasket of claim 5, wherein said flexible non-metallic layer is a layer of sheet material comprising one or more of graphite, mica, and non-asbestos.
7. The wound gasket of claim 1,
the sealing body is formed by spirally winding a metal belt and a non-metal belt.
8. The wound gasket of claim 7,
and winding the non-metal belt after resin impregnation treatment.
9. The wound gasket of claim 8,
the cross section of the sealing body along the radial direction of the sealing body is of a V-shaped structure or a W-shaped structure, and the opening of the cross section faces to the center of the winding gasket.
10. The wound gasket of claim 1,
the thickness of the circular arc tooth framework ring is smaller than that of the elastic metal ring and that of the sealing body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010493141.7A CN111649133A (en) | 2020-06-03 | 2020-06-03 | Winding gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010493141.7A CN111649133A (en) | 2020-06-03 | 2020-06-03 | Winding gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111649133A true CN111649133A (en) | 2020-09-11 |
Family
ID=72347055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010493141.7A Pending CN111649133A (en) | 2020-06-03 | 2020-06-03 | Winding gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111649133A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253750A (en) * | 2020-10-21 | 2021-01-22 | 中国航发沈阳发动机研究所 | Flexible graphite braided sealing strip and mounting method thereof |
| CN112648384A (en) * | 2020-12-30 | 2021-04-13 | 苏州宝骅密封科技股份有限公司 | Medium self-tightening sealing device |
| CN113257445A (en) * | 2021-07-01 | 2021-08-13 | 中国核动力研究设计院 | System for instantaneously measuring neutron flux under high-temperature and high-pressure working condition |
| CN114321378A (en) * | 2021-12-31 | 2022-04-12 | 北京化工大学 | Low-leakage high-flow-resistance built-in channel alloy cast iron elastic sealing structure |
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| US5645284A (en) * | 1993-06-12 | 1997-07-08 | Flexitallic Limited | Gasket |
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| KR200209203Y1 (en) * | 2000-08-11 | 2001-01-15 | 주식회사국일 | Gasket having expansion preventing function |
| JP2007182950A (en) * | 2006-01-10 | 2007-07-19 | Nippon Pillar Packing Co Ltd | Spiral gasket |
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| JP2014111996A (en) * | 2014-02-28 | 2014-06-19 | Nichias Corp | Spiral gasket and manufacturing method of the same |
| US20160265663A1 (en) * | 2015-03-13 | 2016-09-15 | Kuk Il Inntot Co., Ltd. | Gasket and the manufacturing method thereof |
| KR101760387B1 (en) * | 2016-09-09 | 2017-07-21 | 이종철 | Gasket |
| CN212407556U (en) * | 2020-06-03 | 2021-01-26 | 滨州双峰石墨密封材料有限公司 | Winding gasket |
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2020
- 2020-06-03 CN CN202010493141.7A patent/CN111649133A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1192798A (en) * | 1966-09-14 | 1970-05-20 | Goetzewerke | Gasket |
| US5645284A (en) * | 1993-06-12 | 1997-07-08 | Flexitallic Limited | Gasket |
| EP0803666A2 (en) * | 1996-04-23 | 1997-10-29 | Flexitallic Sealing Materials Ltd | Spiral wound gasket |
| KR200209203Y1 (en) * | 2000-08-11 | 2001-01-15 | 주식회사국일 | Gasket having expansion preventing function |
| JP2007182950A (en) * | 2006-01-10 | 2007-07-19 | Nippon Pillar Packing Co Ltd | Spiral gasket |
| US20090115139A1 (en) * | 2007-11-02 | 2009-05-07 | Jenkins Willie A | Spiral-wound gasket |
| CN101865288A (en) * | 2010-05-13 | 2010-10-20 | 励行根 | Cladding sealing ring and manufacturing method thereof |
| KR20110130880A (en) * | 2010-05-28 | 2011-12-06 | 주식회사 국일인토트 | Metal gasket |
| JP2012219937A (en) * | 2011-04-11 | 2012-11-12 | Nichias Corp | Spiral wound gasket |
| JP2012219938A (en) * | 2011-04-11 | 2012-11-12 | Nichias Corp | Spiral wound gasket |
| JP2014111996A (en) * | 2014-02-28 | 2014-06-19 | Nichias Corp | Spiral gasket and manufacturing method of the same |
| US20160265663A1 (en) * | 2015-03-13 | 2016-09-15 | Kuk Il Inntot Co., Ltd. | Gasket and the manufacturing method thereof |
| KR101760387B1 (en) * | 2016-09-09 | 2017-07-21 | 이종철 | Gasket |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253750A (en) * | 2020-10-21 | 2021-01-22 | 中国航发沈阳发动机研究所 | Flexible graphite braided sealing strip and mounting method thereof |
| CN112648384A (en) * | 2020-12-30 | 2021-04-13 | 苏州宝骅密封科技股份有限公司 | Medium self-tightening sealing device |
| CN113257445A (en) * | 2021-07-01 | 2021-08-13 | 中国核动力研究设计院 | System for instantaneously measuring neutron flux under high-temperature and high-pressure working condition |
| CN113257445B (en) * | 2021-07-01 | 2021-10-22 | 中国核动力研究设计院 | System for instantaneously measuring neutron flux under high-temperature and high-pressure working condition |
| CN114321378A (en) * | 2021-12-31 | 2022-04-12 | 北京化工大学 | Low-leakage high-flow-resistance built-in channel alloy cast iron elastic sealing structure |
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