CN214198836U - Air flue structure based on asbestos-free calcium silicate board - Google Patents
Air flue structure based on asbestos-free calcium silicate board Download PDFInfo
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- CN214198836U CN214198836U CN202023339616.1U CN202023339616U CN214198836U CN 214198836 U CN214198836 U CN 214198836U CN 202023339616 U CN202023339616 U CN 202023339616U CN 214198836 U CN214198836 U CN 214198836U
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Abstract
The utility model discloses an air flue structure based on no asbestos calcium silicate board, including the prefabricated blast pipe of rectangle and the air guide case of setting in the prefabricated blast pipe of rectangle, the prefabricated blast pipe of rectangle is including the first blast plate and the second blast plate that are parallel arrangement and the third blast plate and the fourth blast plate that are parallel arrangement, the prefabricated blast pipe of rectangle all is provided with the straight tube flange along length direction's both ends, and the air guide case includes gas guide plate, isolation bottom plate and isolation riser, and first blast plate, second blast plate, third blast plate, fourth blast plate, gas guide plate, isolation bottom plate and isolation riser are no asbestos calcium silicate flat board. The utility model discloses utilize the air flue of the assembly formation modularization installation of non-asbestos calcium silicate flat board and flange and air discharge plate connecting piece, and the equipment is simple, swift, stable, the dead weight is light, under the condition of proof strength, utilizes non-asbestos calcium silicate board to replace the asbestos board, avoids the ageing asbestos fibre that can release of asbestos board, healthy environmental protection.
Description
Technical Field
The utility model belongs to the technical field of the air flue structure, concretely relates to air flue structure based on no asbestos calcium silicate board.
Background
The exhaust duct for kitchen and toilet in building house consists of guide duct and main exhaust duct, and the existing exhaust duct is basically made of cement material through on-site cutting or cement pouring or prefabricating. The existing prefabricated exhaust passage has the following defects: firstly, because the specification and the model of the exhaust passage are more, a large number of production molds need to be manufactured, the weight of a finished product is larger, the installation and the transportation are very inconvenient, and the exhaust passage is easy to damage in the production, the transportation and the installation processes; secondly, the common flue on the material selection is made of asbestos glass fiber, which is harmful to the respiratory system of the human body.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the prior art is directed against, provide an air flue structure based on no asbestos calcium silicate board, its novel in design is reasonable, moreover, the steam generator is simple in structure, utilize the assembly of no asbestos calcium silicate flat board and flange and air discharge plate connecting piece to form the air flue of modularization installation, and the equipment is simple, fast, stable, the dead weight is light, under the condition of proof strength, utilize no asbestos calcium silicate board to replace the asbestos board, avoid the asbestos board ageing can release asbestos fiber, and is healthy and environment-friendly, therefore, the clothes hanger is strong in practicability, and convenient to popularize and use.
In order to solve the technical problem, the utility model discloses a technical scheme is: air flue structure based on no asbestos calcium silicate board, its characterized in that: the rectangular prefabricated exhaust pipe comprises a first exhaust plate and a second exhaust plate which are arranged in parallel, and a third exhaust plate and a fourth exhaust plate which are arranged in parallel, wherein the first exhaust plate and the third exhaust plate are connected through an exhaust plate first connecting piece, the first exhaust plate and the fourth exhaust plate are connected through an exhaust plate second connecting piece, the second exhaust plate and the third exhaust plate are connected through an exhaust plate third connecting piece, and the second exhaust plate and the fourth exhaust plate are connected through an exhaust plate fourth connecting piece, straight pipe flanges are arranged at two ends of the rectangular prefabricated exhaust pipe along the length direction, and each straight pipe flange comprises a first flange piece matched with the first exhaust plate, a second flange piece matched with the second exhaust plate, a third flange piece matched with the third exhaust plate and a fourth flange piece matched with the fourth exhaust plate;
the exhaust plate first connecting piece, the exhaust plate second connecting piece, the exhaust plate third connecting piece and the exhaust plate fourth connecting piece respectively comprise a U-shaped clamping plate and two right-angle steering clamping plates vertically arranged on the end faces of the same side of the U-shaped clamping plate along the length direction of the U-shaped clamping plate, the two right-angle steering clamping plates are arranged in parallel, and two ends of the exhaust plate first connecting piece, the exhaust plate second connecting piece, the exhaust plate third connecting piece and the exhaust plate fourth connecting piece along the length direction are respectively provided with an oblique first assembling face;
the first exhaust plate comprises a first exhaust plate jointed plate, a second exhaust plate jointed plate and a third exhaust plate jointed plate which are sequentially arranged from top to bottom, the air guide box comprises a gas guide plate, an isolation bottom plate and an isolation vertical plate, the first exhaust plate jointed plate, the second exhaust plate jointed plate and the gas guide plate are connected through a guide plate plug-in, the gas guide plate is inserted in the guide plate plug-in an inclined state, one end of the gas guide plate, which is inserted with the guide plate plug-in, is a low position of the gas guide plate, two sides of the gas guide plate are respectively abutted against a third exhaust plate and a fourth exhaust plate, the isolation bottom plate, the second exhaust plate jointed plate and the third exhaust plate jointed plate are connected through a T-shaped isolation plate first plug-in, two sides of the isolation bottom plate are respectively abutted against the third exhaust plate and the fourth exhaust plate, one end of the isolation bottom plate, which is far away from the isolation plate first plug-in, is connected with the isolation vertical plate through an L-shaped isolation plate second plug-in, two sides of the isolation vertical plate are respectively abutted against the third exhaust plate and the fourth exhaust plate, and the lower side of the second exhaust plate jointed plate is provided with an air inlet;
the first exhaust plate, the second exhaust plate, the third exhaust plate, the fourth exhaust plate, the gas guide plate, the isolation bottom plate and the isolation vertical plate are all asbestos-free calcium silicate flat plates.
The air flue structure based on the asbestos-free calcium silicate board is characterized in that: the first connecting piece of air discharge plate and the second connecting piece of air discharge plate are symmetrically arranged, the third connecting piece of air discharge plate and the fourth connecting piece of air discharge plate are symmetrically arranged, the first connecting piece of air discharge plate and the third connecting piece of air discharge plate are symmetrically arranged, and the second connecting piece of air discharge plate and the fourth connecting piece of air discharge plate are symmetrically arranged.
The air flue structure based on the asbestos-free calcium silicate board is characterized in that: the first flange piece and the second flange piece are identical in structural size, the third flange piece and the fourth flange piece are identical in structural size, the first flange piece comprises a flange outward turning plate positioning plate and a first flange outward turning plate which is arranged on the outer side face of the flange outward turning plate positioning plate and is isometric and vertical to the flange outward turning plate positioning plate, and the outer end face of the first flange outward turning plate is flush with the outer end face of the flange outward turning plate positioning plate; the third flange part comprises a flange outward turning plate positioning plate and a second flange outward turning plate vertically arranged on the outer side surface of the flange outward turning plate positioning plate, and the length of the second flange outward turning plate is longer than that of the flange outward turning plate positioning plate;
the flange outward turning plate positioning plate is a U-shaped flange outward turning plate positioning plate, and two ends of the U-shaped flange outward turning plate positioning plate in the length direction are both provided with second assembling surfaces matched with the oblique first assembling surfaces.
The air flue structure based on the asbestos-free calcium silicate board is characterized in that: the connection positions of the asbestos-free calcium silicate flat plate and the straight pipe flange, the first connecting piece of the exhaust plate, the second connecting piece of the exhaust plate, the third connecting piece of the exhaust plate and the fourth connecting piece of the exhaust plate are coated with fire-resistant glue; the straight pipe flange, the first connecting piece of the exhaust plate, the second connecting piece of the exhaust plate, the third connecting piece of the exhaust plate and the fourth connecting piece of the exhaust plate are all aluminum alloy parts.
The beneficial effects of the utility model are that, utilize the assembly formation modularization of non-asbestos calcium silicate flat board and flange and air discharge plate connecting piece to install the air flue, and the equipment is simple, swift, stable, the dead weight is light, under the circumstances of proof strength, utilizes non-asbestos calcium silicate board to replace the asbestos board, avoids the ageing asbestos fibre that can release of asbestos board, and healthy environmental protection, convenient to popularize and use.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is the structure schematic diagram of the rectangular prefabricated exhaust pipe of the present invention.
Fig. 4 is a schematic structural view of the first connecting member of the exhaust plate of the present invention.
Fig. 5 is a schematic structural view of the first flange member of the present invention.
Fig. 6 is a schematic structural view of a second flange member according to the present invention.
Description of reference numerals:
| 11-1 — a first exhaust panel; | 11-1-1-first exhaust plate jointed plate I; |
| 11-1-2-a second exhaust panel; | 11-1-3-a third first exhaust plate jointed plate; |
| 11-2 — a second exhaust plate; | 11-3 — a third exhaust plate; |
| 11-4-fourth vent plate; | 12-a U-shaped splint; |
| 12-1 — an exhaust plate first connector; | 12-2 — a second connection of the vent plate; |
| 12-3-a third connection of the vent plate; | 12-4-exhaust plate fourth link; |
| 13-flange external turning plate positioning plate; | 13-1 — a first flange member; |
| 13-2 — a second flange member; | 13-3 — a third flange member; |
| 13-4-a fourth flange member; | 14-1-a first flange outer turning plate; |
| 14-2-a second flange outer turning plate; | 18-right angle steering cleats; |
| 20-a baffle insert; | 21-a spacer first insert; |
| 22-spacer second insert; | 23-an isolation floor; |
| 24-isolating vertical plates; | 25-air inlet; |
| 35-gas guide plate. |
Detailed Description
As shown in fig. 1 to 6, the present invention comprises a rectangular prefabricated exhaust pipe and an air box disposed in the rectangular prefabricated exhaust pipe, wherein the rectangular prefabricated exhaust pipe comprises a first exhaust plate 11-1 and a second exhaust plate 11-2 arranged in parallel, and a third exhaust plate 11-3 and a fourth exhaust plate 11-4 arranged in parallel, the first exhaust plate 11-1 and the third exhaust plate 11-3 are connected by an exhaust plate first connecting member 12-1, the first exhaust plate 11-1 and the fourth exhaust plate 11-4 are connected by an exhaust plate second connecting member 12-2, the second exhaust plate 11-2 and the third exhaust plate 11-3 are connected by an exhaust plate third connecting member 12-3, the second exhaust plate 11-2 and the fourth exhaust plate 11-4 are connected by an exhaust plate fourth connecting member 12-4, the two ends of the rectangular prefabricated exhaust pipe in the length direction are provided with straight pipe flanges, and the straight pipe flanges comprise a first flange part 13-1 matched with the first exhaust plate 11-1, a second flange part 13-2 matched with the second exhaust plate 11-2, a third flange part 13-3 matched with the third exhaust plate 11-3 and a fourth flange part 13-4 matched with the fourth exhaust plate 11-4;
the exhaust plate first connecting piece 12-1, the exhaust plate second connecting piece 12-2, the exhaust plate third connecting piece 12-3 and the exhaust plate fourth connecting piece 12-4 respectively comprise a U-shaped clamping plate 12 and two right-angle steering clamping plates 18 which are vertically arranged on the end faces of the U-shaped clamping plates 12 on the same side along the length direction of the U-shaped clamping plate 12, the two right-angle steering clamping plates 18 are arranged in parallel, and two inclined first assembling surfaces are arranged at two ends of the exhaust plate first connecting piece 12-1, the exhaust plate second connecting piece 12-2, the exhaust plate third connecting piece 12-3 and the exhaust plate fourth connecting piece 12-4 along the length direction;
the first exhaust plate 11-1 comprises a first exhaust plate jointed plate I11-1-1, a first exhaust plate jointed plate II 11-1-2 and a first exhaust plate jointed plate III 11-1-3 which are sequentially arranged from top to bottom, the air guide box comprises a gas guide plate 35, an isolation bottom plate 23 and an isolation vertical plate 24, the first exhaust plate jointed plate I11-1-1, the first exhaust plate jointed plate II 11-1-2 and the gas guide plate 35 are connected through a guide plate plug-in 20, the gas guide plate 35 is plugged in the guide plate plug-in 20 in an inclined state, one end, in which the gas guide plate 35 is plugged in the guide plate plug-in 20, of the gas guide plate 35 is at the lower position, two sides of the gas guide plate 35 are respectively abutted against a third exhaust plate 11-3 and a fourth exhaust plate 11-4, the isolation bottom plate 23, the first exhaust plate jointed plate II 11-1-2 and the first exhaust plate jointed plate III 11-1-3 are in a T-shaped manner The first partition board insert 21 is connected, two sides of the partition bottom board 23 are respectively abutted against the third exhaust board 11-3 and the fourth exhaust board 11-4, one end of the partition bottom board 23, far away from the first partition board insert 21, is connected with the partition vertical board 24 through the L-shaped partition board second insert 22, two sides of the partition vertical board 24 are respectively abutted against the third exhaust board 11-3 and the fourth exhaust board 11-4, and the lower side of the first exhaust board spliced board 11-1-2 is provided with an air inlet 25;
the first exhaust plate 11-1, the second exhaust plate 11-2, the third exhaust plate 11-3, the fourth exhaust plate 11-4, the gas guide plate 35, the isolation bottom plate 23 and the isolation vertical plate 24 are all non-asbestos calcium silicate flat plates.
In this embodiment, the first exhaust plate connecting member 12-1 and the second exhaust plate connecting member 12-2 are symmetrically disposed, the third exhaust plate connecting member 12-3 and the fourth exhaust plate connecting member 12-4 are symmetrically disposed, the first exhaust plate connecting member 12-1 and the third exhaust plate connecting member 12-3 are symmetrically disposed, and the second exhaust plate connecting member 12-2 and the fourth exhaust plate connecting member 12-4 are symmetrically disposed.
In the embodiment, the first flange piece 13-1 and the second flange piece 13-2 are the same in structural size, the third flange piece 13-3 and the fourth flange piece 13-4 are the same in structural size, the first flange piece 13-1 comprises a flange outward turning plate positioning plate 13 and a first flange outward turning plate 14-1 which is arranged on the outer side surface of the flange outward turning plate positioning plate 13 and is isometric and vertical to the flange outward turning plate positioning plate 13, and the outer end surface of the first flange outward turning plate 14-1 is flush with the outer end surface of the flange outward turning plate positioning plate 13; the third flange part 13-3 comprises a flange outward turning plate positioning plate 13 and a second flange outward turning plate 14-2 vertically arranged on the outer side surface of the flange outward turning plate positioning plate 13, and the length of the second flange outward turning plate 14-2 is longer than that of the flange outward turning plate positioning plate 13;
the flange outward turning plate positioning plate 13 is a U-shaped flange outward turning plate positioning plate, and two ends of the U-shaped flange outward turning plate positioning plate along the length direction are both provided with second assembling surfaces matched with the oblique first assembling surfaces.
In the embodiment, fire-resistant glue is smeared at the connecting positions of the asbestos-free calcium silicate flat plate and the straight pipe flange, the first connecting piece 12-1 of the exhaust plate, the second connecting piece 12-2 of the exhaust plate, the third connecting piece 12-3 of the exhaust plate and the fourth connecting piece 12-4 of the exhaust plate; the straight pipe flange, the first connecting piece 12-1 of the exhaust plate, the second connecting piece 12-2 of the exhaust plate, the third connecting piece 12-3 of the exhaust plate and the fourth connecting piece 12-4 of the exhaust plate are all made of aluminum alloy.
When the utility model is used, the exhaust passages with different specifications and models can be met only by cutting the asbestos-free calcium silicate flat plate according to the size of the air passage structure, a large number of production molds are not required to be manufactured, the transportation is convenient, the occupied volume is small, the dead weight is light, and the exhaust passages are not easy to damage in the production, transportation and installation processes; the air flue of modularization installation is formed by the assembly of the asbestos-free calcium silicate flat plate, the flange and the exhaust plate connecting piece, the assembly is simple, rapid and stable, the dead weight is light, under the condition of ensuring the strength, the asbestos-free calcium silicate plate is used for replacing the asbestos plate, the asbestos fiber is prevented from being released by the aging of the asbestos plate, and the air flue is healthy and environment-friendly.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (4)
1. Air flue structure based on no asbestos calcium silicate board, its characterized in that: the exhaust system comprises a rectangular prefabricated exhaust pipe and an air guide box arranged in the rectangular prefabricated exhaust pipe, wherein the rectangular prefabricated exhaust pipe comprises a first exhaust plate (11-1) and a second exhaust plate (11-2) which are arranged in parallel, and a third exhaust plate (11-3) and a fourth exhaust plate (11-4) which are arranged in parallel, the first exhaust plate (11-1) and the third exhaust plate (11-3) are connected through a first exhaust plate connecting piece (12-1), the first exhaust plate (11-1) and the fourth exhaust plate (11-4) are connected through a second exhaust plate connecting piece (12-2), the second exhaust plate (11-2) and the third exhaust plate (11-3) are connected through a third exhaust plate connecting piece (12-3), and the second exhaust plate (11-2) and the fourth exhaust plate (11-4) are connected through a fourth exhaust plate connecting piece (12-4), the two ends of the rectangular prefabricated exhaust pipe in the length direction are provided with straight pipe flanges, and the straight pipe flanges comprise a first flange piece (13-1) matched with the first exhaust plate (11-1), a second flange piece (13-2) matched with the second exhaust plate (11-2), a third flange piece (13-3) matched with the third exhaust plate (11-3) and a fourth flange piece (13-4) matched with the fourth exhaust plate (11-4);
the exhaust plate connecting piece comprises an exhaust plate first connecting piece (12-1), an exhaust plate second connecting piece (12-2), an exhaust plate third connecting piece (12-3) and an exhaust plate fourth connecting piece (12-4), wherein each exhaust plate first connecting piece (12-1), each exhaust plate second connecting piece (12-2), each exhaust plate third connecting piece and each exhaust plate fourth connecting piece (12-4) respectively comprise a U-shaped clamping plate (12) and two right-angle steering clamping plates (18) which are vertically arranged on the end faces, on the same side, of the U-shaped clamping plates (12) along the length direction of the U-shaped clamping plates (12), the two right-angle steering clamping plates (18) are arranged in parallel, and oblique first assembling faces are arranged at two ends of each exhaust plate first connecting piece (12-1), each exhaust plate second connecting piece (12-2), each exhaust plate third connecting piece (12-3) and each exhaust plate fourth connecting piece (12-4) along the length direction;
the first exhaust plate (11-1) comprises a first exhaust plate jointed plate (11-1-1), a second exhaust plate jointed plate (11-1-2) and a third exhaust plate jointed plate (11-1-3) which are sequentially arranged from top to bottom, the gas guide box comprises a gas guide plate (35), an isolation bottom plate (23) and an isolation vertical plate (24), the first exhaust plate jointed plate (11-1-1), the second exhaust plate jointed plate (11-1-2) and the gas guide plate (35) are connected through a guide plate plug-in piece (20), the gas guide plate (35) is obliquely plugged on the guide plate plug-in piece (20), one end of the gas guide plate (35) plugged with the guide plate plug-in piece (20) is a low position of the gas guide plate (35), two sides of the gas guide plate (35) are respectively abutted against a third exhaust plate (11-3) and a fourth exhaust plate (11-4), the isolation bottom plate (23), the first exhaust plate jointed plate II (11-1-2) and the first exhaust plate jointed plate III (11-1-3) are connected through a T-shaped isolation plate first plug-in (21), two sides of the isolation bottom plate (23) are respectively abutted against a third exhaust plate (11-3) and a fourth exhaust plate (11-4), one end, far away from the isolation plate first plug-in (21), of the isolation bottom plate (23) is connected with an isolation vertical plate (24) through an L-shaped isolation plate second plug-in (22), two sides of the isolation vertical plate (24) are respectively abutted against the third exhaust plate (11-3) and the fourth exhaust plate (11-4), and an air inlet (25) is arranged on the lower side of the first exhaust plate jointed plate II (11-1-2);
the first exhaust plate (11-1), the second exhaust plate (11-2), the third exhaust plate (11-3), the fourth exhaust plate (11-4), the gas guide plate (35), the isolation bottom plate (23) and the isolation vertical plate (24) are all non-asbestos calcium silicate flat plates.
2. An airway structure based on asbestos-free calcium silicate sheets as claimed in claim 1, characterized in that: the exhaust plate connecting structure is characterized in that the first exhaust plate connecting piece (12-1) and the second exhaust plate connecting piece (12-2) are symmetrically arranged, the third exhaust plate connecting piece (12-3) and the fourth exhaust plate connecting piece (12-4) are symmetrically arranged, the first exhaust plate connecting piece (12-1) and the third exhaust plate connecting piece (12-3) are symmetrically arranged, and the second exhaust plate connecting piece (12-2) and the fourth exhaust plate connecting piece (12-4) are symmetrically arranged.
3. An airway structure based on asbestos-free calcium silicate sheets as claimed in claim 1, characterized in that: the first flange piece (13-1) and the second flange piece (13-2) are identical in structural size, the third flange piece (13-3) and the fourth flange piece (13-4) are identical in structural size, the first flange piece (13-1) comprises a flange outward turning plate positioning plate (13) and a first flange outward turning plate (14-1) which is arranged on the outer side face of the flange outward turning plate positioning plate (13) and is isometric and vertical to the flange outward turning plate positioning plate (13), and the outer end face of the first flange outward turning plate (14-1) is flush with the outer end face of the flange outward turning plate positioning plate (13); the third flange part (13-3) comprises a flange outward turning plate positioning plate (13) and a second flange outward turning plate (14-2) vertically arranged on the outer side surface of the flange outward turning plate positioning plate (13), and the length of the second flange outward turning plate (14-2) is longer than that of the flange outward turning plate positioning plate (13);
the flange outward turning plate positioning plate (13) is a U-shaped flange outward turning plate positioning plate, and second assembling surfaces matched with the oblique first assembling surfaces are arranged at two ends of the U-shaped flange outward turning plate positioning plate along the length direction.
4. An airway structure based on asbestos-free calcium silicate sheets as claimed in claim 1, characterized in that: fire-resistant glue is smeared at the connecting positions of the asbestos-free calcium silicate flat plate and the straight pipe flange, the first connecting piece (12-1) of the exhaust plate, the second connecting piece (12-2) of the exhaust plate, the third connecting piece (12-3) of the exhaust plate and the fourth connecting piece (12-4) of the exhaust plate; the straight pipe flange, the first connecting piece (12-1) of the exhaust plate, the second connecting piece (12-2) of the exhaust plate, the third connecting piece (12-3) of the exhaust plate and the fourth connecting piece (12-4) of the exhaust plate are all made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023339616.1U CN214198836U (en) | 2020-12-31 | 2020-12-31 | Air flue structure based on asbestos-free calcium silicate board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023339616.1U CN214198836U (en) | 2020-12-31 | 2020-12-31 | Air flue structure based on asbestos-free calcium silicate board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214198836U true CN214198836U (en) | 2021-09-14 |
Family
ID=77632705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023339616.1U Active CN214198836U (en) | 2020-12-31 | 2020-12-31 | Air flue structure based on asbestos-free calcium silicate board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214198836U (en) |
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2020
- 2020-12-31 CN CN202023339616.1U patent/CN214198836U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liang Baozhen Inventor after: Xu Bijuan Inventor after: An Huantao Inventor after: Wang Rong Inventor after: Duan Yumin Inventor after: Song Ruikun Inventor after: Cai Shikai Inventor after: Li Qian Inventor before: Liang Bao Inventor before: Xu Bijuan Inventor before: An Huantao Inventor before: Wang Rong Inventor before: Duan Yumin Inventor before: Song Ruikun Inventor before: Cai Shikai Inventor before: Li Qian |
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| CB03 | Change of inventor or designer information |