CN202658066U - Hanging bridge bricks for combined bath roof brick structure, and hanging bridge brick hot face bricks - Google Patents
Hanging bridge bricks for combined bath roof brick structure, and hanging bridge brick hot face bricks Download PDFInfo
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- CN202658066U CN202658066U CN 201220253403 CN201220253403U CN202658066U CN 202658066 U CN202658066 U CN 202658066U CN 201220253403 CN201220253403 CN 201220253403 CN 201220253403 U CN201220253403 U CN 201220253403U CN 202658066 U CN202658066 U CN 202658066U
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Abstract
The utility model relates to hanging bridge bricks for a combined bath roof brick structure. The hanging bridge bricks comprise hanging bridge brick hot face bricks of which main bodies are inverted T-shaped brick bodies, wherein middle protruding parts of the inverted T-shaped brick bodies are hanging upright posts; hanging structures matched with hanging pieces are arranged at the upper ends of the hanging upright posts; hanging bridge brick heat preservation bricks are arranged at the bottom of each hanging bridge brick hot face brick and extend from each hanging upright post to table tops at left and right ends; the hanging bridge brick heat preservation bricks and each hanging upright post are connected and arranged side by side; bearing structures for bearing chock bricks are arranged on the front sides and/or rear sides of the bottoms of the hanging bridge brick hot face bricks; and butting ports are formed at the left and right end faces of the bottom of each hanging bridge brick hot face brick. The hanging structures are positioned near the cold face of the bath roof brick structure, so the hanging pieces made of the common metal material or a heat-resisting alloy steel material with relatively low using temperature can be used, the total weight of the brick structure is obviously reduced, and the brick structure is high in heat preservation property. The utility model also relates to the hanging bridge brick hot face bricks.
Description
Technical field
The utility model relates to the float tin groove technical field, particularly a kind of hanging bridges and hanging bridges hot side brick for the Combined type tin groove roof brick structure.
Background technology
Molten tin bath is the core heat construction equipment of float glass, molten tin bath mainly is made of molten tin bath bottom and tin groove roof, tin groove roof adopts integrated structure mostly at present, Combined type tin groove roof mainly comprises Combined type tin groove roof brick and metal hanging spare, and Combined type tin groove roof brick is by metal hanging spare and molten tin bath overhead guard steel structure connection.
Chinese patent ZL02245922.8 discloses a kind of Combined type tin groove roof brick, hang laterally two rows with certain pitch arrangement that support has vertical bridges between the bridges, vertically bridges with laterally hang bridges and formed " well " word structure, the built-in plate brick that is placed with in the space of well word structure, groove around the plate brick bottom fastens mutually with the boss of horizontal, vertical bridges two bottom sides, the plate brick is played the support effect, perisporium and corresponding horizontal stroke, vertical bridges snug fit around the plate brick; Plate brick and vertical bridges are all laterally hung bridges to two rows and are played a supporting role, with prevent that two rows from hanging laterally that bridges close in the process of slinging or outside open, make the top cover brick form a stable one-piece construction, horizontal, vertical bridges and plate brick have been together to form the smooth tin groove roof brick structure of lower surface, the lower surface of tin groove roof brick structure is hot side, and upper surface is huyashi-chuuka (cold chinese-style noodles).
In order to guarantee that tin groove roof brick has certain intensity and heat-insulating property simultaneously, three kinds of brick bodies in the top cover brick all adopt by the light-weight insulating brick with respective shapes and size and hard refractory brick and consist of in the mode that stacks up and down.Wherein, laterally hang in the bridges, the main body of its hard refractory brick is the rectangular tiles body, be stacked below at an upper portion thereof light-weight insulating brick covers fully, because it is hung bearing position and must be arranged on the hard refractory brick, so be arranged on adjacent the hanging groove and just must be extended downwardly into by the end face of light-weight insulating brick on the hard refractory brick on the bridges binding surface of hanging always, so so that metal hanging spare from the hot side of top cover brick close to, the position is in high-temperature area, for the reliability that ensures production safety and use with prevent the suspender member high temperature ablation, suspender member just must adopt the high temperature heat-resisting of costliness to make.
In addition, in the said structure, in order to make metal hanging spare as much as possible away from hot side, can only be by increasing the height of hard refractory brick, the height that reduces light-weight insulating brick is realized, and being the overall weight of tin groove roof, the consequence of bringing so greatly increases, simultaneously also require metal hanging spare to possess higher intensity, and the integral heat insulation performance of tin groove roof also can descend, so that improve production security and reliability and the target that reduces production costs and pursue light-duty, the target of the tin groove roof of good heat insulating is contradiction each other, also seeks less than a comparatively desirable technical scheme that addresses this problem at present.And at present, for the safety and reliability of producing, often the height setting of hard refractory brick in the scope of a higher safety, this target with the tin groove roof of pursuing light-duty, good heat preservation performance is runed counter to.
Moreover the light-weight insulating brick in the said structure all adopts the typing insulating brick at present, because the density of typing insulating brick is larger, its heat retaining property is also relatively poor, thereby has affected the integral heat insulation performance of tin groove roof brick structure.
The utility model content
The purpose of this utility model provides a kind of bridges of hanging for the Combined type tin groove roof brick structure, the tin groove roof brick structure that adopts this brick to be combined into, can be under the prerequisite that does not increase tin groove roof brick structure collectivity weight, do not reduce its heat-insulating property, guarantees simultaneously the safety and reliability produced, can adopt the suspender member of plain metal material or low use temperature heat-resisting alloy steel material to realize that tin groove roof hangs being connected of bridges and molten tin bath overhead guard steel construction.The utility model also provides a kind of bridges hot side brick of hanging simultaneously.
For achieving the above object, the bridges of hanging for the Combined type tin groove roof brick structure of the present utility model adopt following technical scheme: be used for the bridges of hanging of Combined type tin groove roof brick structure, comprise main body be inverted T-shaped brick body hang bridges hot side brick; The center protrusion of inverted T-shaped brick body is partly for hanging column, and the upper end of hanging column is provided with for the hanging structure adaptive with suspender member; Be respectively arranged with at the table top that stretches to left and right two ends from hanging column of hanging bridges hot side brick bottom and hang the bridges insulating brick, hang the bridges insulating brick and hang column and join and exist side by side; Hang bridges hot side brick bottom leading flank and or trailing flank be provided with support structure for support chock brick; Hang on the left and right end face of bridges hot side brick bottom and have respectively mating interface.
The described bridges insulating brick face relative with hanging column of hanging coincide to be fitted, and the forward and backward side of hanging the bridges insulating brick is corresponding concordant with the forward and backward side of hanging column.
Described both ends of the surface of hanging bridges hot side brick bottom are concordant with the corresponding corresponding end face of hanging the bridges insulating brick, perhaps hang the outstanding or corresponding corresponding end face formation cross structure of hanging the bridges insulating brick of indentation of the both ends of the surface of bridges hot side brick bottom.
Described each hang the bridges insulating brick away from having on the end face of hanging column for the docking structure that coincide and cooperate with adjacent corresponding section of hanging bridges.
Described hanging structure is the draw-in groove of hanging that is symmetricly set on the left and right end face of hanging column or on the forward and backward side.
The described bridges insulating brick of hanging is made by light heat insulation material.
Described light heat insulation material is sal tapetum fibrosum, sal fibrefelt, sal fiberboard or typing light heat insulation material or unsetting light heat insulation material.
The bridges hot side brick of hanging of the present utility model adopts following technical scheme: a kind of bridges hot side brick of hanging, comprise hot side brick body, and hot side brick body is the inverted T-shaped brick laying structure; The center protrusion of inverted T-shaped brick body is partly for hanging column, and the upper end of hanging column is provided with for the hanging structure adaptive with suspender member; The left and right end of the in-line of inverted T-shaped brick body bottom has by the bottom surface of hanging column to left and right the table top that extends and be higher than bottom surface, in-line bottom, and the top of this table top has the space of hanging the bridges insulating brick for setting; The leading flank of inverted T-shaped brick body bottom and or trailing flank be provided with support structure for support chock brick; Hang on the left and right end face of bridges hot side brick bottom and have respectively mating interface.
Described hanging structure is the draw-in groove of hanging that is symmetricly set on the left and right end face of hanging column or on the forward and backward side.
The described column of hanging is rectangular shape.
In the utility model, hanging bridges hot side brick adopts main body to be the brick laying structure of inverted T-shaped, so just hanging structure can be arranged on the upper end of hanging column, be arranged on the both sides of hanging column with hanging the bridges insulating brick, hang the bridges insulating brick and hang column and be the state of existing side by side that joins, this structure is so that hang any restriction that the height of column can not be subjected to insulating brick, the upper end of hanging column can extend near the huyashi-chuuka (cold chinese-style noodles) of tin groove roof brick structure, compared with prior art, be arranged on hang the column upper end hanging structure just greatly away from the hot side of top cover brick structure, envrionment temperature significantly reduces, therefore can substitute existing high temperature heat-resisting suspender member with the metal hanging spare of plain metal material or low use temperature heat-resisting alloy steel material, not only reduced the material cost of suspender member, and reduced in use the be heated degree of deterioration of suspender member, thereby prolonged the work-ing life of metal hanging spare, reduced use cost; Simultaneously, only have hook portion to stretch in the hanging structure of hanging bridges in the metal hanging spare, and outside its main part is exposed to, be conducive to the heat radiation of metal hanging spare itself, further prolonged the work-ing life of suspender member, strong assurance the security of producing and the reliability of use.In addition, after hanging bridges hot side brick employing inverted T-shaped structure, the height that jut in the middle of only having is namely hung column increases, the extension on both sides, bottom then can reduce its height, thereby height that can corresponding increase insulating brick, can not only reduce on the whole like this overall weight of tin groove roof brick structure, and do not lose or improved its integral heat insulation performance, solved well improve production security and reliability in the prior art and reduce production costs with pursue light-duty, this technical problem of contradiction each other of the tin groove roof brick structure of good heat insulating.
In the utility model, owing to hanging the bridges insulating brick, the light heat insulation materials such as chock brick insulating brick employing sal fiberboard are made, relatively the finalize the design density of lagging material of such material significantly reduces, heat retaining property significantly improves, this insulating brick lightweight more for typing insulating brick of the prior art, heat insulation effect is better, therefore can the height relative reduce of hot side brick of support insulating brick will be used for, correspondingly increase simultaneously the height (in the situation that the maintenance height overall is constant) of insulating brick, further obviously alleviated on the whole the overall weight of tin groove roof brick structure, improved its integral heat insulation performance, also reduced simultaneously the requirement to metal hanging spare intensity, to also having made contribution the work-ing life that prolongs metal hanging spare.
Description of drawings
Fig. 1 is the structural representation that the utility model is hung an embodiment of bridges hot side brick;
Fig. 2 is the structural representation of hanging an embodiment of bridges that the utility model is used for the Combined type tin groove roof brick structure;
Fig. 3 is that Fig. 1, structure applications shown in Figure 2 are in a kind of structural representation of Combined type tin groove roof brick structure.
Embodiment
Shown in Figure 1 is a kind of embodiment that the utility model is hung bridges hot side brick, and it comprises hot side brick body, and hot side brick body is the inverted T-shaped brick laying structure; The bottom surface of the in-line bottom of inverted T-shaped brick body is a complete plane; The center protrusion of inverted T-shaped is partly for hanging column 33, the left and right end of the in-line of inverted T-shaped brick body bottom has by the bottom surface of hanging column to left and right the table top that extends and be higher than bottom surface, in-line bottom, and the top of this table top has the space of hanging the bridges insulating brick for setting; Hanging column is rectangular structure, the upper end of hanging column is provided with for the hanging structure 37 adaptive with suspender member, this hanging structure be symmetricly set on the left and right both ends of the surface of hanging column, connect the draw-in groove of hanging of forward and backward side simultaneously, this hanging portion of hanging the structure of draw-in groove and suspender member is suitable.Certainly, above-mentioned hang draw-in groove and also can be opened on the forward and backward side of hanging column, for the ease of convenient in the middle of using inserting of suspender member be installed, hang column in the head of hanging more than the draw-in groove, its gauge reduces to some extent than the gauge of hanging the following position of draw-in groove; In addition, the rectangular structure of hanging column also can adopt some other distressed structure, as at its left and right end face protuberance or recess being set, as long as be convenient to and hang accordingly bridges insulating brick combination, such purpose is to be convenient to hang cooperating of bridges and chock brick, can obtain preferably heat-insulating property.
Describe and understanding for ease of clear, the above-mentioned left and right end face perpendicular to its length direction of hanging the in-line bottom of bridges hot side brick inverted T-shaped brick body is defined as end face, the forward and backward side that is parallel to accordingly its length direction is defined as the side, and same definition also is applicable to hang the uprights of hanging of bridges.
Before the above-mentioned in-line bottom of hanging bridges hot side brick inverted T-shaped brick body, be arranged with the support structure for support chock brick on the trailing flank, this support structure be hang bridges hot side brick inverted T-shaped brick body in-line bottom before, the support flange 34 that extends outward along the bottom surface symmetry of brick body on the trailing flank, make its in-line bottom form a base structure, hang bridges and by the support flange that this is positioned at its bottom the chock brick is played the support effect, when practical application, above-mentioned support structure also can be only leading flank or trailing flank in the in-line bottom arrange, the supporting beam of hanging that the brick body of this structure is applicable to tin groove roof outermost one side uses.
Has respectively mating interface on the above-mentioned both ends of the surface of hanging bridges hot side brick bottom, this mating interface can adopt plane docking form, also can adopt complementary convex-concave docking form, a kind of docking structure after the present embodiment adopts, as shown in Figure 1, hang bridges hot side brick in-line bottom left, mating interface 35 on the right side is complementary convex-concave docking structure, be used for cooperating in the adjacent docking that coincide when hanging the docking of bridges hot side brick end face, not fragile in order to guarantee the convex part of hanging in the bridges hot side brick convex-concave docking structure, this convex-concave docking structure is arranged on the spatial altitude position that is higher than the support flange.Certainly, the mating interface of the convex-concave docking structure of this complementation also can be some other structure formation, as be the convex-concave docking structure of the complementation of staggered step type, particularly, the mating interface that is an end is the flange of the step type that stretched out to the end face extension by the bottom surface, the mating interface of the other end is arranged on the groove of the step type of bottom surface and end face intersection, and the flange of this step type and groove are complementary.
Shown in Figure 2 is a kind of embodiment that hangs bridges for the Combined type tin groove roof brick structure, it forms by hanging bridges hot side brick 32 and hanging bridges insulating brick 31, hang bridges hot side brick 32 identical with above-mentioned structure shown in Figure 1, hanging bridges insulating brick 31 joins to existing side by side and is arranged on that to hang bridges hot side brick in-line bottom left, right-hand member stretches out on the table top of hanging column, for preferably heat insulation effect is arranged, hang the bridges insulating brick and hang column 33 and coincide and fit and put, hang column 33 and hang between the bridges insulating brick 31 exist side by side the interface hang part more than the draw-in groove also be provided be convenient to install suspender member insert space 36.In the present embodiment, this inserts the space is to realize by dwindling the size of hanging column 33 upper end heads, hang column in the head of hanging more than the draw-in groove, its gauge reduces to some extent than the gauge of hanging the following position of draw-in groove; Certainly, a recess also can be set by the corresponding position at insulating brick realizes.The purpose that inserts the space that setting is convenient to install suspender member is in order to make things convenient for suspender member to insert when connecting and to make things convenient for suspender member rationally stressed.And when the position that hang the column top and hang draw-in groove was higher than the insulating brick end face, just no longer needing to arrange this inserted the space.
In the present embodiment, hang the bridges insulating brick and hang column and join and exist side by side and put, the forward and backward side of hanging the bridges insulating brick is corresponding concordant with the forward and backward side of hanging column; The both ends of the surface of hanging bridges hot side brick bottom are concordant with the corresponding corresponding end face of hanging the bridges insulating brick, can certainly be to hang the outstanding or corresponding corresponding end face formation cross structure of hanging the bridges insulating brick of indentation of the both ends of the surface of bridges hot side brick bottom; Each hangs the bridges insulating brick away from having on the end face of hanging column for the docking structure that coincide and cooperate with adjacent corresponding section of hanging bridges, and this docking structure can be plane docking structure or complementary convex-concave docking structure; Such purpose one is to be convenient to the adjacent bridges docking of hanging, the 2nd, can obtain preferably heat-insulating property.When implementing, hang the bridges insulating brick and allow an amount of difference with the thickness of hanging column, hanging the bridges insulating brick also allows not concordant with the forward and backward side of hanging column, both height also can be different as required, and both relative faces also can have less fit-up gap or both, and both are bonding.
Hang hanging bridges insulating brick 31 and can being arranged to as required monoblock type insulating brick body of the every side of column, also can be combined by the folded insulating brick body more than two or two of establishing up and down.Hanging the bridges insulating brick is light-weight insulating brick, can adopt sal tapetum fibrosum, sal fibrefelt, sal fiberboard or typing light heat insulation material or unsetting light heat insulation material to make, also can adopt several combinations in the previous materials or be composited.Hang bridges hot side brick 32 and be hard refractory brick, form modular structure with the insulating brick employing on its top mode compound or combination.
In other embodiment of the present utility model, the hanging structure of hanging the column upper end is to be arranged on the edge of hanging on the forward and backward side of column to hang the axis, front and back of column and run through and hang column, perhaps hang the axis, the left and right sides of column and run through and hang column for being arranged on the edge of hanging on the left and right end face of column, and with the suitable hole clipping structure of metal hanging spare.Similarly, the support structure of hanging on the forward and backward two sides of in-line bottom of bridges hot side brick inverted T-shaped brick body is flange, and when using, the holder structure that is subjected at the forward and backward two ends of chock brick hot side brick bottom is groove accordingly, when both docked, flange coincide with groove and cooperates; The left and right both ends of the surface of hanging the in-line bottom of bridges hot side brick inverted T-shaped brick body can be concordant plane, also can have respectively complementary convex-concave mating interface.
The utility model in the specific implementation, the hanging structure in above-described embodiment, support structure and mating interface structure can new be combined to form new embodiment by what these three kinds of structures are different from above-described embodiment, describe in detail no longer one by one herein.
Shown in Figure 3 is the application of the utility model in the Combined type tin groove roof brick structure, this structure adopts full integrated structure, be combined into the smooth tin groove roof brick structure of lower surface by hanging 1 liang of generic module of bridges 3 and chock brick, this structure can be by the metal hanging spare and molten tin bath overhead guard steel structure connection of plain metal material or low use temperature heat-resisting alloy steel material, the upper surface of this tin groove roof brick structure is huyashi-chuuka (cold chinese-style noodles), and lower surface is hot side.Among Fig. 3, two rows with certain arranged with interval, be arranged in parallel hang supporting beam; Every row hangs supporting beam and is spliced by hanging the mode of bridges 3 with the end face docking; Hanging bridges forms by hanging bridges hot side brick 32 and hanging bridges insulating brick 31; Be placed with successively chock brick 1 in every adjacent hanging between the supporting beam along the length direction of hanging supporting beam.Form same row and hang the adjacent bridges of hanging of supporting beam by the end face of hanging bridges hot side brick bottom and the identical docking of end face of hanging the bridges insulating brick, and hang the bridges insulating brick and hang column and exist side by side and arrange and join continuously, the forward and backward side of respectively hanging bridges has formed the forward and backward side of hanging supporting beam, the forward and backward both ends of the surface of each chock brick all cooperate with process gap with the corresponding front and back sides of hanging supporting beam, same row's chock brick 1 by hang two rows that bridges 3 form adjacent hang the supporting beam support.The chock brick is comprised of chock brick hot side brick 13 and chock brick insulating brick 12, and the chock brick is arranged with two handles 7 at a diagonal lines of its end face, uses so that install or change the chock brick.Among Fig. 3, the 14th, the loss of weight groove of chock brick hot side brick, the 15th, fill out the chock brick light thermal-insulation block filler that is located in this loss of weight groove.
Claims (10)
1. be used for the bridges of hanging of Combined type tin groove roof brick structure, it is characterized in that: comprise main body be inverted T-shaped brick body hang bridges hot side brick; The center protrusion of inverted T-shaped brick body is partly for hanging column, and the upper end of hanging column is provided with for the hanging structure adaptive with suspender member; Be respectively arranged with at the table top that stretches to left and right two ends from hanging column of hanging bridges hot side brick bottom and hang the bridges insulating brick, hang the bridges insulating brick and hang column and join and exist side by side; Hang bridges hot side brick bottom leading flank and or trailing flank be provided with support structure for support chock brick; Hang on the left and right end face of bridges hot side brick bottom and have respectively mating interface.
2. bridges of hanging for the Combined type tin groove roof brick structure according to claim 1, it is characterized in that: the described bridges insulating brick face relative with hanging column of hanging coincide to be fitted, and the forward and backward side of hanging the bridges insulating brick is corresponding concordant with the forward and backward side of hanging column.
3. bridges of hanging for the Combined type tin groove roof brick structure according to claim 2, it is characterized in that: described both ends of the surface of hanging bridges hot side brick bottom are concordant with the corresponding corresponding end face of hanging the bridges insulating brick, perhaps hang the outstanding or corresponding corresponding end face formation cross structure of hanging the bridges insulating brick of indentation of the both ends of the surface of bridges hot side brick bottom.
4. it is characterized in that according to claim 2 or the 3 described bridges of hanging for the Combined type tin groove roof brick structure: described each hang the bridges insulating brick away from having on the end face of hanging column for the docking structure that coincide and cooperate with adjacent corresponding section of hanging bridges.
5. the described bridges of hanging for the Combined type tin groove roof brick structure of arbitrary claim according to claim 1-3 is characterized in that: described hanging structure is the draw-in groove of hanging that is symmetricly set on the left and right end face of hanging column or on the forward and backward side.
6. the described bridges of hanging for the Combined type tin groove roof brick structure of arbitrary claim according to claim 1-3, it is characterized in that: the described bridges insulating brick of hanging is made by light heat insulation material.
7. bridges of hanging for the Combined type tin groove roof brick structure according to claim 6 is characterized in that: described light heat insulation material is sal tapetum fibrosum, sal fibrefelt, sal fiberboard or typing light heat insulation material or unsetting light heat insulation material.
8. hang bridges hot side brick, it is characterized in that: comprise hot side brick body, hot side brick body is the inverted T-shaped brick laying structure; The center protrusion of inverted T-shaped brick body is partly for hanging column, and the upper end of hanging column is provided with for the hanging structure adaptive with suspender member; The left and right end of the in-line of inverted T-shaped brick body bottom has by the bottom surface of hanging column to left and right the table top that extends and be higher than bottom surface, in-line bottom, and the top of this table top has the space of hanging the bridges insulating brick for setting; The leading flank of inverted T-shaped brick body bottom and or trailing flank be provided with support structure for support chock brick; Hang on the left and right end face of bridges hot side brick bottom and have respectively mating interface.
9. the bridges hot side brick of hanging according to claim 8, it is characterized in that: described hanging structure is the draw-in groove of hanging that is symmetricly set on the left and right end face of hanging column or on the forward and backward side.
10. according to claim 8 or the 9 described bridges hot side bricks of hanging, it is characterized in that: the described column of hanging is rectangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220253403 CN202658066U (en) | 2012-05-31 | 2012-05-31 | Hanging bridge bricks for combined bath roof brick structure, and hanging bridge brick hot face bricks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220253403 CN202658066U (en) | 2012-05-31 | 2012-05-31 | Hanging bridge bricks for combined bath roof brick structure, and hanging bridge brick hot face bricks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202658066U true CN202658066U (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220253403 Withdrawn - After Issue CN202658066U (en) | 2012-05-31 | 2012-05-31 | Hanging bridge bricks for combined bath roof brick structure, and hanging bridge brick hot face bricks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202658066U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718392A (en) * | 2012-05-31 | 2012-10-10 | 河南中原特种耐火材料有限公司 | Suspension bridge brick and hot side brick of suspension bridge brick for combined type tin bath top cover brick structure |
-
2012
- 2012-05-31 CN CN 201220253403 patent/CN202658066U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718392A (en) * | 2012-05-31 | 2012-10-10 | 河南中原特种耐火材料有限公司 | Suspension bridge brick and hot side brick of suspension bridge brick for combined type tin bath top cover brick structure |
| CN102718392B (en) * | 2012-05-31 | 2014-09-24 | 河南中原特种耐火材料有限公司 | Suspension bridge brick and hot side brick of suspension bridge brick for combined type tin bath top cover brick structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130109 Effective date of abandoning: 20140924 |
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| RGAV | Abandon patent right to avoid regrant |