CN214081972U - Limiting and shape-retaining cold isostatic pressing tool for multi-curved-surface ceramic plate - Google Patents
Limiting and shape-retaining cold isostatic pressing tool for multi-curved-surface ceramic plate Download PDFInfo
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- CN214081972U CN214081972U CN202021938248.XU CN202021938248U CN214081972U CN 214081972 U CN214081972 U CN 214081972U CN 202021938248 U CN202021938248 U CN 202021938248U CN 214081972 U CN214081972 U CN 214081972U
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Abstract
The utility model relates to a cold isostatic pressing field provides a spacing shape-preserving cold isostatic pressing frock for multi-curved surface ceramic plate. The limiting and shape-retaining cold isostatic pressing tool for the multi-curved-surface ceramic plate comprises a main box body, wherein a cover plate is hinged to the side surface of the main box body, the cover plate can be switched between a buckling position and an opening position, the side surface of the main box body is convex, and the side surface of the cover plate facing the main box body is concave matched with the convex; the rubber sleeve is detachably connected to the side face of the main box body, and ceramic green bodies are arranged in the rubber sleeve; in the buckling position, the rubber sleeve is arranged between the main box body and the cover plate. The limiting shape-retaining cold isostatic pressing tool for the multi-curved-surface ceramic plate realizes shape retention of a multi-curved-surface green blank, and reduces the possibility of cracking caused by uneven stress during sintering into a plate. Meanwhile, the production efficiency can be obviously improved. Realizes the shape maintenance of ceramic green bodies with different specifications, and further expands the method for preparing the long-flow high-performance ceramic.
Description
Technical Field
The utility model relates to a cold isostatic pressing field especially relates to a spacing guarantor type cold isostatic pressing frock for multi-curved surface ceramic plate.
Background
In particular, in the field of protection, countless efforts are made from the increase of hardness to the increase of toughness by splicing small plates to sintering whole plates, so that the variety and audience of the current protection ceramic are expanded, and particularly the multi-curved surface protection ceramic becomes a development hotspot of protection in recent years.
Although more innovations exist in materials, the preparation process is different from the original one, the current multi-curved surface ceramic preparation process is divided into a short process and a long process, and the short process comprises material mixing, cold press molding and pressureless sintering; the long process comprises the steps of mixing, cold press molding, cold isostatic pressing molding and hot press sintering. The short process is widely applied to industrial production due to the low labor cost. However, in terms of improving the performance, a long process flow can provide a finished product with more optimized performance, the planning cost is not related, a large amount of uncontrollable phenomena occur in the cold isostatic pressing and hot pressing processes, the industrialization stability is difficult to form, and a lot of manufacturers are forbidden.
The isostatic pressing technology generally uses static grease or emulsion and inert gas as pressure transmission media, and the flat ceramic can be condensed in full size after being processed by the isostatic pressing technology, and can be operated only by a supporting structure. However, the multi-curved surface ceramic has very strict requirements on the curvature of the ceramic, and if the multi-curved surface ceramic has larger size deviation with a hot-pressing sintering graphite forming die, the sample piece is stressed unevenly, and irrecoverable problems such as cracking and the like occur. Therefore, it is important to design a cold isostatic pressing mold which can ensure that the shape and size of the multi-curved surface ceramic do not have large deviation and achieve nearly full-size polycondensation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a spacing shape-preserving cold isostatic pressing frock for multi-curved surface ceramic plate can realize the shape-preserving of multi-curved surface green body, has reduced the fracture possibility that the sintering becomes the board and is caused by the atress inequality.
The utility model provides a spacing shape-preserving cold isostatic pressing frock for multi-curved surface ceramic plate, include:
the side surface of the main box body is hinged with a cover plate, the cover plate can be switched between a buckling position and an opening position, the side surface of the main box body is convex, and the side surface of the cover plate facing the main box body is concave matched with the convex;
the rubber sleeve is detachably connected to the side face of the main box body, and ceramic green bodies are arranged in the rubber sleeve;
and at the buckling position, the rubber sleeve is arranged between the main box body and the cover plate.
The utility model provides a spacing shape-preserving cold isostatic pressing frock for multi-curved surface ceramic plate is through articulated apron on the main tank body to put ceramic unburned bricks in the gum cover, when making apron lock and main tank body, the apron can compress tightly the gum cover with the main tank body, and then ceramic unburned bricks just can be compressed tightly in the gum cover, has realized the shape-preserving of multi-curved surface green body, has reduced the sintering and has become the board by the uneven possibility of ftractureing that causes of atress. Simultaneously, because every side of the main tank body all can articulate a apron, consequently, be equivalent to the work position that has set up a plurality of ceramic greens simultaneously promptly, make production efficiency obviously promote. Moreover, the working position of each ceramic green body can realize shape maintenance of the ceramic green bodies with different specifications by adjusting the shapes of the side surfaces of the cover plate and the main box body, so that the method for preparing the long-flow high-performance ceramic is further expanded.
According to the utility model discloses an embodiment, the side of the main tank body is provided with a plurality of first through-holes, be provided with on the apron with a plurality of the second through-hole that first through-hole corresponds.
According to the utility model discloses an embodiment still includes:
the positioning pin is detachably inserted into the first through hole, and the rubber sleeve is clamped on the side face of the main box body through the positioning pin.
According to the utility model discloses an embodiment, the gum cover includes:
the glue applying sleeve is provided with a handle;
the lower rubber sleeve is connected to the upper rubber sleeve through a clamping structure;
the positioning pin is clamped on the upper rubber sleeve and/or the lower rubber sleeve so as to clamp the rubber sleeve on the side surface of the main box body.
According to the utility model discloses an embodiment, the joint structure includes:
the buckle is arranged on one of the upper rubber sleeve and the lower rubber sleeve;
the clamping groove is arranged on the other one of the upper rubber sleeve and the lower rubber sleeve;
the buckle is clamped in the clamping groove so as to clamp the upper rubber sleeve and the lower rubber sleeve mutually.
According to the utility model discloses an embodiment, the main tank body includes two at least branch box bodies, passes through the leg joint between two adjacent branch box bodies.
According to the utility model discloses an embodiment is located the top still be provided with the couple on the branch box.
According to the utility model discloses an embodiment, the gum cover is made by polyurethane material, be formed with in the gum cover and be used for holding the accommodation space of ceramic green compact.
According to the utility model discloses an embodiment, the apron with the value range in clearance between the side of the main tank body is 20 millimeters to 32 millimeters.
According to an embodiment of the present invention, the main tank body and the cover plate are made of a metal material.
The embodiment of the utility model provides an in above-mentioned one or more technical scheme, one of following technological effect has at least:
the utility model provides a spacing shape-preserving cold isostatic pressing frock for multi-curved surface ceramic plate is through articulated apron on the main tank body to put ceramic unburned bricks in the gum cover, when making apron lock and main tank body, the apron can compress tightly the gum cover with the main tank body, and then ceramic unburned bricks just can be compressed tightly in the gum cover, has realized the shape-preserving of multi-curved surface green body, has reduced the sintering and has become the board by the uneven possibility of ftractureing that causes of atress. Simultaneously, because every side of the main tank body all can articulate a apron, consequently, be equivalent to the work position that has set up a plurality of ceramic greens simultaneously promptly, make production efficiency obviously promote. Moreover, the working position of each ceramic green body can realize shape maintenance of the ceramic green bodies with different specifications by adjusting the shapes of the side surfaces of the cover plate and the main box body, so that the method for preparing the long-flow high-performance ceramic is further expanded.
Drawings
FIG. 1 is a schematic structural diagram of a limiting and shape-preserving cold isostatic pressing tool for a multi-curved ceramic plate according to an embodiment of the present invention;
fig. 2 is a schematic exploded view of the installation of the side surface and the cover plate of the main box body provided by the embodiment of the invention;
fig. 3 is an installation schematic diagram of the rubber sleeve and the main box body provided by the embodiment of the present invention.
The reference numbers illustrate:
100. a main box body; 102. a cover plate; 104. a rubber sleeve; 106. a first through hole; 108. a second through hole; 110. positioning pins; 112. a handle; 114. dividing the box body; 116. a support; 118. and (4) hanging hooks.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 3, the utility model provides a spacing guarantor type cold isostatic pressing frock for multi-curved surface ceramic plate, include:
the side surface of the main box body 100 is hinged with a cover plate 102, the cover plate 102 can be switched between a buckling position and an opening position, the side surface of the main box body 100 is convex, and the side surface of the cover plate 102 facing the main box body 100 is concave matched with the convex;
a rubber sleeve 104 detachably connected to a side surface of the main case 100, and ceramic green bodies are accommodated in the rubber sleeve 104;
in the snap-fit position, the rubber boot 104 is disposed between the main housing 100 and the cover 102.
The utility model provides a spacing shape-preserving cold isostatic pressing frock for multi-curved surface ceramic plate, through articulated apron 102 on the main tank body 100, and put ceramic unburned bricks in the gum cover 104, make when apron 102 lock and main tank body 100, apron 102 can compress tightly gum cover 104 with main tank body 100, and then ceramic unburned bricks just can be compressed tightly in gum cover 104, realized the shape-preserving of multi-curved surface green body, reduced the sintering and become the board by the uneven possibility of splitting that causes of atress. Meanwhile, each side surface of the main box body 100 can be hinged with one cover plate 102, so that the working positions of a plurality of ceramic blanks are equivalently arranged at the same time, and the production efficiency is obviously improved. Moreover, the working position of each ceramic green body can realize shape-keeping of the ceramic green bodies with different specifications by adjusting the shapes of the side surfaces of the cover plate 102 and the main box body 100, so that the method for preparing the long-flow high-performance ceramic is further expanded.
Specifically, the main casing 100 has a substantially rectangular parallelepiped shape, that is, the main casing 100 has at least four side surfaces and a top surface and a bottom surface. Wherein, a cover plate 102 is hinged at each side, and the bottom of the cover plate 102 is hinged with the bottom of each side of the main box 100. Since the cover 102 is hinged to the side of the main housing 100, the cover 102 can be switched between a locked position where it is locked to the main housing 100 and an unlocked position where it is separated from the main housing 100.
In addition, in the embodiment of the present invention, the side surface of the main box 100 protrudes outward, that is, the side surface of the main box 100 is convex outward; accordingly, in order to be able to be fastened to the main housing 100, the side of the cover plate 102 facing the main housing 100 is concave, and the convex shape of the side of the main housing 100 is matched with the concave shape of the side of the cover plate 102.
When the cover 102 is in the engaged position, the cover 102 is not completely attached to the main housing 100, but has a certain gap. In the gap, a rubber sleeve 104 is detachably mounted, and a ceramic green compact is accommodated in the rubber sleeve 104. That is, when the cover plate 102 is fastened to the main body 100, the rubber sleeve 104 can be compressed in the gap between the cover plate 102 and the main body 100, and thus, the ceramic green compact in the rubber sleeve 104 is compressed at the same time. Therefore, the shape of the multi-curved-surface ceramic green body is ensured in the cold isostatic pressing operation process of the ceramic green body, and the possibility of cracking caused by uneven stress during sintering of the plate is reduced.
More importantly, since the main housing 100 has four sides, the cold isostatic pressing operation for at least four sets of ceramic green bodies can be simultaneously performed. Meanwhile, if the cold isostatic pressing operation is required for ceramic green bodies with different specifications, the specification of the cover plate 102 can be changed accordingly to achieve the purpose. Therefore, the shape of the ceramic green body with different specifications is maintained, and the method for preparing the long-flow high-performance ceramic is further expanded.
According to an embodiment of the present invention, the gap between the cover plate 102 and the side of the main case 100 has a value ranging from 20 mm to 32 mm.
For example, after the cover plate 102 is fastened to the main box 100, the gap between the cover plate 102 and the main box 100 can be set to be 20 mm to 27 mm and 25 mm to 32 mm by replacing the convex surface and the concave surface. The gaps of the two specifications respectively correspond to ceramic green bodies of 5.5 mm after firing and 9 mm to 1 mm of green blank thickness or 9.5 mm after firing and 15 mm to 16 mm of green blank thickness.
According to an embodiment of the present invention, the side of the main box 100 is provided with a plurality of first through holes 106, and the cover plate 102 is provided with second through holes 108 corresponding to the plurality of first through holes 106.
The side surface of the main box body 100 and the cover plate 102 are respectively provided with the first through holes 106 and the second through holes 108, so that the whole weight of the limiting and shape-preserving cold isostatic pressing tool for the multi-curved-surface ceramic plate is further reduced, and meanwhile, the side surface of the main box body 100 and the cover plate 102 are respectively provided with the first through holes 106 and the second through holes 108, and the positioning pins 110 can be arranged in the first through holes 106 to realize the positioning of the rubber sleeve 104. The positioning pins 110 do not interfere with the cover plate 102 when the cover plate 102 is fastened to the main housing 100.
Specifically, the positioning pin 110 is detachably inserted into the first through hole 106, and the rubber sleeve 104 is clamped to the side surface of the main box 100 by the positioning pin 110. For example, the positioning pin 110 may be inserted into the first through hole 106 of the main housing 100 by interference fit. Moreover, since the number of the first through holes 106 is plural, the number and the position of the positioning pins 110 can be flexibly adjusted according to the actual size of the rubber sleeve 104, thereby stably fixing the rubber sleeve 104.
As shown in fig. 1, according to an embodiment of the present invention, the main box 100 includes at least two sub-boxes 114, and two adjacent sub-boxes 114 are connected by a bracket 116; a hook 118 is also provided on the top sub-tank 114.
Through setting the main tank body 100 into the form that includes at least two branch box bodies 114 for this a spacing guarantor type cold isostatic pressing frock for multi-curved surface ceramic plate can satisfy the suppression of the ceramic unburned bricks of multiple specification, multiple size, has showing and has promoted production efficiency.
In addition, the main box 100 is connected by at least two sub-boxes 114, namely, the adjacent two sub-boxes 114 are connected by the bracket 116, so that the structure of the existing whole steel plate is replaced, and the overall weight of the limiting and shape-preserving cold isostatic pressing tool for the multi-curved ceramic plate is further reduced.
The deep well is conveniently taken by arranging the hook 118 on the split box body 114 at the top.
According to an embodiment of the present invention, the main case 100 and the cover plate 102 are made of a metal material. Therefore, the overall structural strength of the limiting shape-maintaining cold isostatic pressing tool for the multi-curved-surface ceramic plate can be improved, and the service life is ensured.
As shown in fig. 2, according to an embodiment of the present invention, the rubber cover 104 includes:
a rubber sleeve, on which a handle 112 is arranged;
the lower rubber sleeve is connected to the upper rubber sleeve through a clamping structure;
the positioning pins 110 are engaged with the upper rubber sleeve and/or the lower rubber sleeve to engage the rubber sleeve 104 with the side of the main housing 100.
Through setting the form into by last gum cover and gum cover joint with gum cover 104 for when the gum cover 104 is arranged in to the needs with ceramic green compact, can unpack the gum cover and lower gum cover apart, directly arrange ceramic green compact in the inside accommodation space of gum cover 104. Moreover, the rubber sleeve 104 is made of polyurethane material, and is formed by copying on a ceramic green body, and the left and right peripheries of the rubber sleeve are respectively preset with an activity width of 2 mm to 3 mm.
When the rubber sleeve 104 needs to be installed on the main box 100, two positioning pins 110 can be fixed in the first through holes 106 on the main box 100 in advance, the lower rubber sleeve is clamped on the main box 100, and after the positioning of the lower rubber sleeve is completed, the upper rubber sleeve is clamped on the main box 100 through the positioning pins 110.
The handle 112 is arranged on the upper rubber sleeve, so that the upper rubber sleeve and the lower rubber sleeve can be conveniently disassembled and assembled by a user.
According to the utility model discloses an embodiment, the joint structure includes:
the buckle is arranged on one of the upper rubber sleeve and the lower rubber sleeve;
the clamping groove is arranged on the other one of the upper rubber sleeve and the lower rubber sleeve;
the buckle is clamped in the clamping groove to mutually clamp the upper rubber sleeve and the lower rubber sleeve.
As shown in fig. 2, the buckle is arranged on the upper rubber sleeve, the clamping groove is arranged on the lower rubber sleeve, and when the upper rubber sleeve and the lower rubber sleeve are required to be clamped and installed, the buckle is only required to be inserted into the clamping groove.
The use steps of the limiting shape-retaining cold isostatic pressing tool for the multi-curved-surface ceramic plate are briefly described as follows:
firstly, sealing a ceramic green blank, and performing vacuum treatment by adopting a proper nylon vacuum bag;
secondly, a nylon vacuum bag is placed in the polyurethane rubber sleeve 104, and the upper rubber sleeve and the lower rubber sleeve are buckled with each other;
thirdly, the rubber sleeve 104 filled with the ceramic green body is arranged on the main box body 100 through the positioning pin 110, the cover plate 102 is buckled on the main box body 100, and the cover plate 102 and the main box body 100 are fixed through the positioning pin 110;
and finally, carrying out cold isostatic pressing operation on the limiting and shape-maintaining cold isostatic pressing tool for the multi-curved-surface ceramic plate.
The embodiment of the utility model provides an in above-mentioned one or more technical scheme, one of following technological effect has at least:
the utility model provides a spacing shape-preserving cold isostatic pressing frock for multi-curved surface ceramic plate, through articulated apron 102 on the main tank body 100, and put ceramic unburned bricks in the gum cover 104, make when apron 102 lock and main tank body 100, apron 102 can compress tightly gum cover 104 with main tank body 100, and then ceramic unburned bricks just can be compressed tightly in gum cover 104, realized the shape-preserving of multi-curved surface green body, reduced the sintering and become the board by the uneven possibility of splitting that causes of atress. Meanwhile, each side surface of the main box body 100 can be hinged with one cover plate 102, so that the working positions of a plurality of ceramic blanks are equivalently arranged at the same time, and the production efficiency is obviously improved. Moreover, the working position of each ceramic green body can realize shape-keeping of the ceramic green bodies with different specifications by adjusting the shapes of the side surfaces of the cover plate 102 and the main box body 100, so that the method for preparing the long-flow high-performance ceramic is further expanded.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a spacing guarantor's type cold isostatic pressing frock for multi-curved surface ceramic plate which characterized in that includes:
the side surface of the main box body (100) is hinged with a cover plate (102), the cover plate (102) can be switched between a buckling position and an opening position, the side surface of the main box body (100) is convex, and the side surface of the cover plate (102) facing the main box body (100) is concave matched with the convex shape;
the rubber sleeve (104) is detachably connected to the side surface of the main box body (100), and ceramic green bodies are arranged in the rubber sleeve (104);
in the buckling position, the rubber sleeve (104) is arranged between the main box body (100) and the cover plate (102).
2. The limiting and shape-retaining cold isostatic pressing tool for multi-curved ceramic plates according to claim 1, wherein a plurality of first through holes (106) are formed in the side surface of the main box body (100), and a second through hole (108) corresponding to the plurality of first through holes (106) is formed in the cover plate (102).
3. The limit shape-retaining cold isostatic pressing tool for multi-curved ceramic plates according to claim 2, further comprising:
the positioning pin (110) is detachably inserted into the first through hole (106), and the rubber sleeve (104) is clamped on the side surface of the main box body (100) through the positioning pin (110).
4. The position-limiting shape-retaining cold isostatic pressing tool for multi-curved ceramic plates according to claim 3, wherein said rubber sleeve (104) comprises:
a rubber sleeve, wherein a handle (112) is arranged on the rubber sleeve;
the lower rubber sleeve is connected to the upper rubber sleeve through a clamping structure;
the positioning pin (110) is clamped on the upper rubber sleeve and/or the lower rubber sleeve so as to clamp the rubber sleeve (104) on the side surface of the main box body (100).
5. The limit shape-retaining cold isostatic pressing tool for multi-curved ceramic plates according to claim 4, wherein said clamping structure comprises:
the buckle is arranged on one of the upper rubber sleeve and the lower rubber sleeve;
the clamping groove is arranged on the other one of the upper rubber sleeve and the lower rubber sleeve;
the buckle is clamped in the clamping groove so as to clamp the upper rubber sleeve and the lower rubber sleeve mutually.
6. The position-limiting and shape-retaining cold isostatic pressing tool for multi-curved ceramic plates according to any one of claims 1 to 5, wherein the main box body (100) comprises at least two sub-box bodies (114), and two adjacent sub-box bodies (114) are connected through a support (116).
7. The limit shape keeping type cold isostatic pressing tool for multi-curved ceramic plates according to claim 6, wherein a hook (118) is further arranged on the box body (114) at the top.
8. The tooling for limiting the position and keeping the shape of the cold isostatic pressure of a multi-curved ceramic plate according to any one of claims 1 to 5, wherein the rubber sleeve (104) is made of polyurethane material, and a containing space for containing the ceramic green body is formed in the rubber sleeve (104).
9. The position-limiting and shape-retaining cold isostatic pressing tool for multi-curved ceramic plates according to any one of claims 1 to 5, wherein the gap between the cover plate (102) and the side surface of the main box (100) ranges from 20 mm to 32 mm.
10. The tooling for limiting and maintaining the shape of the cold isostatic press for multi-curved ceramic plates according to any one of claims 1 to 5, wherein the main box (100) and the cover plate (102) are made of metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021938248.XU CN214081972U (en) | 2020-09-07 | 2020-09-07 | Limiting and shape-retaining cold isostatic pressing tool for multi-curved-surface ceramic plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021938248.XU CN214081972U (en) | 2020-09-07 | 2020-09-07 | Limiting and shape-retaining cold isostatic pressing tool for multi-curved-surface ceramic plate |
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| Publication Number | Publication Date |
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| CN214081972U true CN214081972U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021938248.XU Active CN214081972U (en) | 2020-09-07 | 2020-09-07 | Limiting and shape-retaining cold isostatic pressing tool for multi-curved-surface ceramic plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN214081972U (en) |
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2020
- 2020-09-07 CN CN202021938248.XU patent/CN214081972U/en active Active
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