CN114348484B - Quick-opening device for intermediate powder bin and use method - Google Patents

Quick-opening device for intermediate powder bin and use method Download PDF

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Publication number
CN114348484B
CN114348484B CN202111566294.0A CN202111566294A CN114348484B CN 114348484 B CN114348484 B CN 114348484B CN 202111566294 A CN202111566294 A CN 202111566294A CN 114348484 B CN114348484 B CN 114348484B
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Prior art keywords
quick
powder bin
opening
fastener
opening fastener
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CN202111566294.0A
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CN114348484A (en
Inventor
郑祥玉
苗鹏
刘鹏中
延景平
邢文朝
崔名双
贾楠
赵天晨
孙虓汉
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Beijing Tiandi Sunac Technology Co ltd
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Beijing Tiandi Sunac Technology Co ltd
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Priority to CN202111566294.0A priority Critical patent/CN114348484B/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)

Abstract

The invention discloses a quick-opening device of an intermediate powder bin and a use method thereof, wherein the quick-opening device of the intermediate powder bin comprises a cover plate, a quick-opening fastener and a limiting piece, the cover plate is stopped against the intermediate powder bin to seal a hand hole on the intermediate powder bin, a first end of the quick-opening fastener is pivotally connected with the intermediate powder bin, the quick-opening fastener is slidably connected with the intermediate powder bin so as to facilitate the clamping connection of a second end of the quick-opening fastener with the intermediate powder bin, and the limiting piece is connected with the quick-opening fastener so as to facilitate the compression of the cover plate towards the hand hole. The quick-opening device for the intermediate powder bin has the advantages of convenience in opening, simplicity and convenience in operation and good sealing effect.

Description

Quick-opening device for intermediate powder bin and use method
Technical Field
The invention relates to the technical field of pulverized coal bin equipment, in particular to a middle pulverized coal bin quick-opening device and a using method thereof.
Background
In the related art, a hand hole is connected with a cover plate through 4*2 bolts and nuts, at least 7 bolts and nuts are required to be disassembled and installed when the coal powder feeding system is opened and closed, the time consumption is long, the problem of blockage of a filter screen of an intermediate storage bin is required to be solved rapidly, and the opening speed of the hand hole door is low, so that the continuous and stable operation of the coal powder feeding system is not facilitated.
Disclosure of Invention
The present invention has been made based on the findings and knowledge of the inventors regarding the following facts and problems:
the present invention aims to solve at least one of the technical problems in the related art to some extent.
Therefore, the embodiment of the invention provides the intermediate powder bin quick-opening device which has the advantages of convenience in opening, simplicity and convenience in operation and good sealing effect.
The embodiment of the invention provides a use method of a quick-opening device for an intermediate powder bin.
According to the intermediate powder bin quick-opening device, the intermediate powder bin quick-opening device comprises the cover plate, the quick-opening fastener and the limiting piece, the cover plate is abutted against the intermediate powder bin to seal the hand hole on the intermediate powder bin, the first end of the quick-opening fastener is pivotally connected with the intermediate powder bin, the quick-opening fastener is slidably connected with the intermediate powder bin so that the second end of the quick-opening fastener is clamped with the intermediate powder bin, and the limiting piece is connected with the quick-opening fastener so as to press the cover plate towards the hand hole.
The quick-opening device for the intermediate powder bin has the advantages of convenience in opening, simplicity and convenience in operation and good sealing effect.
In some embodiments, the quick-opening fastener is provided with a threaded hole, the limiting piece is a threaded piece, and the limiting piece is in threaded fit with the threaded hole so as to compress one side, away from the middle powder bin, of the cover plate.
In some embodiments, the intermediate powder bin opening device further comprises a weld nut welded with the quick-open fastener, the weld nut forming the threaded bore.
In some embodiments, the limiting member is a fastening bolt, and the number of fastening bolts is a plurality.
In some embodiments, the intermediate bin quick opening device further comprises a guide member coupled to the intermediate bin and a slider coupled to the first end of the quick opening fastener, the slider being slidably coupled to the guide member.
In some embodiments, the guide member is provided with a long hole, the length direction of the long hole is consistent with the sliding direction of the quick-opening fastener, and the sliding member comprises a sliding rod, and the sliding rod is matched in the long hole.
In some embodiments, the slide bar is a round bar pivotable relative to the guide.
In some embodiments, the intermediate powder bin quick-opening device further comprises two locking nuts, the number of the guide pieces is at least two, at least two guide pieces are axially distributed at intervals on the sliding rod, a connecting hole is formed in the first end of the quick-opening fastener, external threads are formed in two ends of the sliding rod, the first end of the sliding rod is in threaded fit with one of the locking nuts, and the second end of the sliding rod penetrates through the connecting hole and the long hole and is in threaded fit with the other locking nut.
In some embodiments, the second end of the quick-opening fastener is provided with a hook, the middle powder bin is provided with a convex tube for forming the hand hole, the outer circumferential surface of the convex tube is provided with an annular limiting groove, and the tail end of the hook can be inserted into the annular limiting groove so as to limit the quick-opening fastener to pivot relative to the middle powder bin.
According to the application method of the intermediate powder bin quick-opening device provided by the embodiment of the invention, the application method of the intermediate powder bin quick-opening device comprises the following steps: the cover plate is moved to the upper part of the hand hole and is stopped against the middle powder bin, the quick-opening fastener is rotated, the quick-opening fastener is moved along the sliding direction relative to the middle powder bin until the first end and the second end of the quick-opening fastener are respectively arranged on the two sides of the hand hole, the quick-opening fastener is moved in the opposite direction, so that the second end of the quick-opening fastener is connected with the middle powder bin, the limiting piece is arranged on the quick-opening fastener, and the cover plate is pressed on the middle powder bin by the limiting piece.
Drawings
Fig. 1 is a schematic view of the structure of the male pipe and the guide of the intermediate powder bin quick-opening device according to the embodiment of the invention.
Fig. 2 is a schematic structural view of a quick-opening fastener of the intermediate powder bin quick-opening device according to an embodiment of the invention.
Fig. 3 is a schematic structural view of a sliding member of the intermediate powder bin quick-opening device according to the embodiment of the invention.
Fig. 4 is a schematic structural view of a limiting member of the intermediate powder bin quick-opening device according to the embodiment of the invention.
Fig. 5 is a schematic structural view of a cover plate of the intermediate powder bin quick-opening device according to the embodiment of the invention.
Reference numerals: 1. quick-opening fastener; 11. a connection hole; 12. a hook; 13. a threaded hole; 2. a limiting piece; 3. a cover plate; 4. a guide member; 41. a long hole; 5. a slider; 51. a slide bar; 52. a lock nut; 6. a convex tube; 61. annular limiting groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
According to the intermediate powder bin quick-opening device, as shown in fig. 1-5, the intermediate powder bin quick-opening device comprises a cover plate 3, a quick-opening fastener 1 and a limiting piece 2, wherein the cover plate 3 is abutted against the intermediate powder bin to seal a hand hole in the intermediate powder bin, a first end of the quick-opening fastener 1 is pivotally connected with the intermediate powder bin, the quick-opening fastener 1 is slidably connected with the intermediate powder bin so that a second end of the quick-opening fastener 1 is clamped with the intermediate powder bin, and the limiting piece 2 is connected with the quick-opening fastener 1 so that the cover plate 3 is pressed towards the hand hole. The first end of quick-opening fastener 1 and middle powder storehouse sliding fit, quick-opening fastener 1 can rotate for middle powder storehouse with the first end of quick-opening fastener 1 as the axle, thereby quick-opening fastener 1 can be fixed with middle powder storehouse joint and prevent quick-opening fastener 1 to rotate for middle powder storehouse with the first end of quick-opening fastener 1 as the axle. The limiting piece 2 is connected to the quick-opening fastener 1 and used for applying pressure to the cover plate 3, so that the cover plate 3 is tightly attached to the hand hole of the middle powder bin, and a better hand hole sealing effect is achieved. When the hand hole is required to be opened, the limiting piece 2 is taken down from the quick-opening fastener 1, the pressure born by the cover plate 3 can be reduced, the first end of the quick-opening fastener 1 is slid to enable the second end of the quick-opening fastener 1 to be separated from the middle powder bin, the first end of the quick-opening fastener 1 is used as an axis to rotate the second end of the quick-opening fastener 1 relative to the middle powder bin, the quick-opening fastener 1 is separated from the cover plate 3, the cover plate 3 covered on the hand hole is taken down, and the hand hole is opened.
The intermediate powder bin quick-opening device provided by the embodiment of the invention has the advantages of convenience in opening, simplicity and convenience in operation and good sealing effect.
In some embodiments, as shown in fig. 2 and 4, a threaded hole 13 is formed in the quick-opening fastener 1, the limiting member 2 is a threaded member, and the limiting member 2 is in threaded engagement with the threaded hole 13 to compress a side of the cover plate 3 facing away from the intermediate powder bin.
From this, locating part 2 makes locating part 2 and quick-opening fastener 1 firm being connected through threaded connection with quick-opening fastener 1, and the pressure of locating part 2 to apron 3 can be adjusted through adjusting the length that locating part 2 got into screw hole 13 department, and quick-opening fastener 1 is pressed at apron 3's surface to apron 3 to screw thread piece one end, and apron 3 is to screw thread piece and quick-opening fastener 1 application counter-force, and quick-opening fastener 1 still receives the effort in middle powder storehouse, and the effort in middle powder storehouse is opposite with apron 3 counter-force direction, therefore quick-opening fastener 1 realizes the atress balanced.
In some embodiments, the intermediate powder bin opening device further comprises a weld nut welded to the quick-opening fastener 1, the weld nut forming the threaded bore 13.
Specifically, corresponding weld nut department trompil on the quick-open fastener 1, screw member and weld nut screw-thread fit and compress tightly apron 3 on the hand hole in middle powder storehouse through quick-open fastener 1, weld nut can reduce the whole thickness and the quality of quick-open fastener 1, and convenient to use person rotates quick-open fastener 1.
In some embodiments, as shown in fig. 4, the limiting member 2 is a fastening bolt, and the number of fastening bolts is a plurality.
From this, a plurality of fastening bolts are in the same place with the screw hole 13 screw-thread fit of quick-opening fastener 1, and a plurality of fastening bolts can increase locating part 2 and apron 3 area of contact, make apron 3 bear the pressure more even, can avoid apron one side slope, have obtained better sealed effect when extension apron 3 life.
In some embodiments, as shown in fig. 1 and 3, the intermediate powder bin quick-opening device further comprises a guide 4 and a sliding member 5, the guide 4 is connected to the intermediate powder bin, the sliding member 5 is connected to the first end of the quick-opening fastener 1, and the sliding member 5 is slidably connected to the guide 4.
From this, quick-opening fastener 1 realizes quick-opening fastener 1 first end and middle powder storehouse sliding connection through slider 5 and guide 4 cooperation, and slider 5 and guide 4 sliding connection make quick-opening fastener 1 can slide in the middle of relative powder storehouse, and slider 5 can rotate relative guide 4, and quick-opening fastener 1's first end is connected with slider 5, under slider 5's drive, quick-opening fastener 1 can rotate relative guide 4 and realize quick-opening fastener 1's first end and middle powder storehouse rotation connection.
In some embodiments, as shown in fig. 1, the guide member 4 is provided with a long hole 41, the length direction of the long hole 41 is consistent with the sliding direction of the quick release fastener 1, and the sliding member 5 includes a slide bar 51, and the slide bar 51 is fitted in the long hole 41.
Specifically, two ends of the slide bar 51 are respectively located in different long holes 41 of the guide piece 4, the two long holes 41 are oppositely arranged, the slide bar 51 can slide along the length direction of the long holes 41, the slide bar 51 is connected with the first end of the quick-opening fastener 1 and drives the quick-opening fastener 1 to slide relative to the middle powder bin, the sizes of the two ends of the slide bar 51 are matched with those of the long holes 41, the end parts of the slide bar 51 can rotate in the long holes 41, and when the slide bar 51 rotates, the quick-opening fastener 1 is driven to rotate relative to the long holes 41 so as to realize the rotary connection of the first end of the quick-opening fastener 1 and the middle powder bin.
In some embodiments, as shown in fig. 3, slide bar 51 is a round bar that is pivotable relative to guide 4.
Therefore, the contact area between the round bar and the long hole 41 of the guide bar is minimum, the friction resistance between the round bar and the long hole 41 can be reduced, and the quick-opening fastener 1 can slide relative to the middle powder bin conveniently.
In some embodiments, as shown in fig. 3, the intermediate powder bin quick-opening device further comprises two locking nuts 52, at least two guide members 4 are arranged at intervals in the axial direction of the sliding rod 51, the first end of the quick-opening fastener 1 is provided with a connecting hole 11, two ends of the sliding rod 51 are provided with external threads, the first end of the sliding rod 51 is in threaded fit with one of the locking nuts 52, and the second end of the sliding rod 51 passes through the connecting hole 11 and the long hole 41 and is in threaded fit with the other locking nut 52.
Specifically, the long holes 41 of the guides 4 are through holes, and the two guides 4 are disposed in the axial direction of the slide bar 51. The connecting hole 11 on the first end of the quick-opening fastener 1 is used for the sliding rod 51 to pass through, and the sliding rod 51 is fixed with the quick-opening fastener 1. The first and second ends of the slide rod 51 are respectively screwed with a lock nut 52, the lock nut 52 being arranged on the side of the guide 4 facing away from the other guide 4, the lock nut 52 being intended to prevent the slide rod 51 from coming out of the slot 41 of the guide 4. The first end of the quick-opening fastener 1 is arranged between the two guide members 4, and the guide members 4 play a certain limiting role on the first end of the quick-opening fastener 1.
Alternatively, the long holes 41 of the guides 4 are through holes, and the two guides 4 are provided in the axial direction of the slide bar 51. The connecting hole 11 on the first end of the quick-opening fastener 1 is used for the sliding rod 51 to pass through, and the sliding rod 51 is fixed with the quick-opening fastener 1. The first and second ends of the slide rod 51 are respectively screwed with a lock nut 52, the lock nut 52 being arranged on the side of the guide 4 facing away from the other guide 4, the lock nut 52 being intended to prevent the slide rod 51 from coming out of the slot 41 of the guide 4. The first end of the quick-opening fastener 1 is arranged between the guide piece 4 and the locking nut 52, and the locking nut 52 and the guide piece 4 are matched to play a certain limiting role on the first end of the quick-opening fastener 1.
In some embodiments, as shown in fig. 1 and 2, the second end of the quick-opening fastener 1 is provided with a hook 12, the middle powder bin is provided with a convex tube 6 for forming a hand hole, the outer circumferential surface of the convex tube 6 is provided with an annular limit groove 61, and the tail end of the hook 12 can be inserted into the annular limit groove 61 so as to limit the quick-opening fastener 1 to pivot relative to the middle powder bin.
From this, the annular spacing groove 61 that forms between the edge of protruding pipe 6 and the middle powder storehouse can cooperate with the couple 12 of quick-opening fastener 1, and couple 12 can hold the edge and the apron 3 of protruding pipe 6, and the end of couple 12 inserts annular spacing groove 61 and is used for preventing quick-opening fastener 1 relative middle powder storehouse rotation, improves hand hole sealed effect, and the apron inserts and can further restrict quick-opening fastener 1 relative middle powder storehouse rotation in couple 12.
The application method of the intermediate powder bin quick-opening device provided by the embodiment of the invention comprises the following steps: the cover plate 3 is moved to the upper part of the hand hole and is stopped against the middle powder bin, the quick-opening fastener 1 is rotated, the quick-opening fastener 1 is moved along the sliding direction relative to the middle powder bin until the first end and the second end of the quick-opening fastener 1 are respectively arranged on the two sides of the hand hole, the quick-opening fastener 1 is moved in the opposite direction, so that the second end of the quick-opening fastener 1 is connected with the middle powder bin, the limiting piece 2 is arranged on the quick-opening fastener 1, and the limiting piece 2 tightly presses the cover plate 3 on the middle powder bin.
The technical advantages of the use method of the intermediate powder bin quick-opening device according to the embodiment of the invention are the same as those of the intermediate powder bin quick-opening device, and are not repeated here.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular 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 the invention. In this specification, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (6)

1. An intermediate powder bin quick-opening device, comprising:
the cover plate is stopped against the middle powder bin to seal hand holes in the middle powder bin;
the first end of the quick-opening fastener is pivotally connected with the middle powder bin, and the quick-opening fastener is slidably connected with the middle powder bin so that the second end of the quick-opening fastener is clamped with the middle powder bin; and
the limiting piece is connected with the quick-opening fastener so as to press the cover plate towards the hand hole;
the intermediate powder bin quick-opening device further comprises a guide piece and a sliding piece, wherein the guide piece is connected with the intermediate powder bin, the sliding piece is connected with the first end of the quick-opening fastener, and the sliding piece is slidably connected with the guide piece;
the guide piece is provided with a long hole, the length direction of the long hole is consistent with the sliding direction of the quick-opening fastener, the sliding piece comprises a sliding rod, and the sliding rod is matched in the long hole;
the second end of the quick-opening fastener is provided with a hook, the middle powder bin is provided with a convex pipe for forming the hand hole, the outer circumferential surface of the convex pipe is provided with an annular limiting groove, and the tail end of the hook can be inserted into the annular limiting groove so as to limit the quick-opening fastener to pivot relative to the middle powder bin;
the application method of the intermediate powder bin quick-opening device comprises the following steps:
moving the cover plate to the upper part of the hand hole and stopping the middle powder bin;
rotating the quick-opening fastener, and moving the quick-opening fastener along the sliding direction relative to the middle powder bin until the first end and the second end of the quick-opening fastener are respectively arranged at two sides of the hand hole;
moving the quick-opening fastener in the opposite direction to connect the second end of the quick-opening fastener with the intermediate powder bin;
and a limiting part is arranged on the quick-opening fastener, and the limiting part tightly presses the cover plate on the middle powder bin.
2. The intermediate powder bin quick opening device according to claim 1, wherein the quick opening fastener is provided with a threaded hole, the limiting piece is a threaded piece, and the limiting piece is in threaded fit with the threaded hole so as to compress one side of the cover plate, which faces away from the intermediate powder bin.
3. The intermediate bin quick opening device of claim 2, further comprising a weld nut welded with the quick opening fastener, the weld nut forming the threaded aperture.
4. The intermediate bin quick opening device of claim 2, wherein the limiting member is a plurality of fastening bolts.
5. The intermediate bin quick opening device of claim 1 wherein the slide bar is a round bar pivotable relative to the guide.
6. The intermediate powder bin quick-opening device according to claim 1, further comprising two lock nuts, wherein the number of the guide members is at least two, the at least two guide members are distributed at intervals in the axial direction of the sliding rod, a connecting hole is formed in a first end of the quick-opening fastener, external threads are formed in two ends of the sliding rod, the first end of the sliding rod is in threaded fit with one of the lock nuts, and the second end of the sliding rod passes through the connecting hole and the long hole and is in threaded fit with the other lock nut.
CN202111566294.0A 2021-12-20 2021-12-20 Quick-opening device for intermediate powder bin and use method Active CN114348484B (en)

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CN202111566294.0A CN114348484B (en) 2021-12-20 2021-12-20 Quick-opening device for intermediate powder bin and use method

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CN114348484B true CN114348484B (en) 2023-07-28

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GB191516330A (en) * 1915-11-19 1916-11-16 Robert Bridge Improvements in Quick Opening Heads for Horizontal Vulcanisers.
US1956665A (en) * 1931-10-29 1934-05-01 Nat Tank And Mfg Co Manhole closure
GB598621A (en) * 1945-09-06 1948-02-23 London Aluminium Company Ltd Improvements connected with manhole covers for tanks
US3045861A (en) * 1959-12-01 1962-07-24 Wesley E Dieter Closure for evacuated and/or pressurized vessel
US3386612A (en) * 1966-07-20 1968-06-04 Creal E. Kirkwood Quick-opening lid for pressure vessels
US4279356A (en) * 1979-11-01 1981-07-21 Sybron Corporation Quick opening manhole cover assembly
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