WO2009039711A1 - Construction d'une fermeture insérée avec un tuyau fileté - Google Patents

Construction d'une fermeture insérée avec un tuyau fileté Download PDF

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Publication number
WO2009039711A1
WO2009039711A1 PCT/CN2008/000151 CN2008000151W WO2009039711A1 WO 2009039711 A1 WO2009039711 A1 WO 2009039711A1 CN 2008000151 W CN2008000151 W CN 2008000151W WO 2009039711 A1 WO2009039711 A1 WO 2009039711A1
Authority
WO
WIPO (PCT)
Prior art keywords
straight tube
boss
barrel
tube coil
bucket
Prior art date
Application number
PCT/CN2008/000151
Other languages
English (en)
Chinese (zh)
Inventor
Lianyuan Zhang
Original Assignee
Lianyuan Zhang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CNA2007101886880A external-priority patent/CN101397062A/zh
Application filed by Lianyuan Zhang filed Critical Lianyuan Zhang
Publication of WO2009039711A1 publication Critical patent/WO2009039711A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/08—Threaded or like closure members secured by rotation; Bushes therefor
    • B65D39/082—Bung-rings and bungs for bung-holes
    • B65D39/084—Separated bung-rings made by one element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/08—Threaded or like closure members secured by rotation; Bushes therefor
    • B65D39/082—Bung-rings and bungs for bung-holes
    • B65D39/088—Bungs with special means facilitating handling thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2539/00—Details relating to closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D2539/001—Details of closures arranged within necks or pouring opening or in discharge apertures, e.g. stoppers
    • B65D2539/006—Details of closures arranged within necks or pouring opening or in discharge apertures, e.g. stoppers provided with separate sealing rings

Definitions

  • the invention relates to a built-in straight tube spiral ring sealer in the field of packaging steel drums.
  • the closing device adopts a concave-convex tooth meshing positioning and a concave table riveting method, so that the straight pipe coil is permanently fixed in the hole of the barrel top boss, and the barrel top boss turning hole serves as a sealing surface to directly contact the sealing gasket and the barrel plug to form a sealing device.
  • the present invention also provides a method of sealing and securing an embedded straight tube coil closure.
  • the embedded octagonal coil closure is currently the most widely used steel barrel closure in the world.
  • the G2 sealer is used as a liquid injection port (discharge port) from a 17-liter bucket to a 230-liter container.
  • China Steel Bar Closer Standard GB/T 13251-2002, European Standard EN 12928: 2000 and International Standard ISO 15750-3: 2002 provide a detailed introduction and specification of the structure, size and performance of the embedded octagonal coil closure. .
  • US Patent No. 7,168,585 B2 issued Jan. 30, 2007, discloses a "closer for preventing leakage caused by deformation of a steel drum", which enlarges the top of the bucket and the snail The volume of the seal between the rings, an annular groove is pressed around the top of the bucket, and an annular V-shaped indentation is punched on the octagonal edge of the top of the bucket, consciously weakening the strength of the steel drum.
  • the embedded octagonal coil closure uses an octagonal flange edge for radial positioning to prevent rotation of the coil when the barrel is tightened. Therefore, the octagonal boss and the boss turn hole should be punched out on the top of the bucket first, then the octagonal flange coil of the sealing rubber gasket is placed in the top octagonal boss of the bucket, and the octagonal coil is pressed by the die. Straight pipe wall rolled outwards, And wrap the top of the bucket top of the bucket. The octagonal coil is permanently positioned in the barrel top boss hole when the octagonal coil flange is radially positioned and the coil is rolled outwardly and longitudinally wrapped.
  • the sealing rubber gasket is filled under the action of the squeeze into the gap between the arc of the boss of the barrel and the octagonal coil to form a sealing barrier belt, preventing the liquid in the barrel from passing through the top of the barrel and the octagonal burr Leakage out of the gap.
  • a sealing gasket is required between the embedded octagonal coil and the barrel plug. It can be seen that the embedded octagonal coil closure is a kind of closure that needs to be installed with two sealing gasket structures, and there are two passages for liquid leakage in the barrel. Of course, the steel drum is well sealed under normal conditions and will not leak.
  • a gasket is placed on the barrel plug of all current steel drum sealers to prevent leakage from the gap between the G2 non-sealed pipe threads; at least one contact is provided between the top of the bucket and the octagonal coil (usually 1 ⁇ 2) Sealing washers are used to prevent leakage of possible gaps between them.
  • the object of the present invention is to provide a practical problem of two channels that may leak in the above-mentioned closures which are currently used, and to provide an embedding that does not leak under the condition that the top of the barrel is largely deformed on the basis of the above-mentioned closure.
  • the object of the present invention is achieved by: a built-in straight tube coil closure comprising a bucket top boss (3), a straight tube coil (14), a barrel plug (29) and a sealing gasket (31),
  • the utility model is characterized in that: the top of the bucket top boss (3) is pressed once to form an arc-shaped toothed meshing combined concave platform (22), and the bucket top boss (3) is in close contact with the outer wall of the straight pipe coil (14).
  • the boss edge (5) is in close contact with the upper edge inner wall of the straight tube coil (14), so that the straight tube coil (14) is permanently fixed in the bucket top boss (3), and the barrel plug (29) is fitted with a sealing gasket ( 31) Rotate the straight tube coil (14) to form a sealing device.
  • the straight tube coil (14) comprises a straight tube (16) and a tube thread (21).
  • the upper and inner walls (17) of the outer wall (15) of the straight tube coil are formed by an annular curved concave-convex tooth formed by pressing the locking die and a bucket top boss of the same portion (
  • the annular curved concave-convex teeth formed by the inner wall (10) of the 3) and the bottom surface (8) of the boss side (5) constitute an internal meshing state.
  • the outer diameter of the concave portion formed by the upper portion of the outer wall of the straight tube coil (15) after being squeezed by the locking mold is larger than the inner diameter of the lower portion of the inner hole (13) of the top of the barrel top, straight
  • the tubular spiral cylindrical recess (19) forms a riveted state with the inner hole (13) of the bucket top boss.
  • the bucket top boss (3) is a vertically protruding 13 mm high cylindrical boss, and the upper surface of the boss has a boss edge bent into the barrel (5) ), the joint between the top of the bucket (3) and the top of the bucket (1) adopts a circular arc transition.
  • the installation distance of the center line of the embedded straight tube coil closure to the top of the barrel is 60-55 mm.
  • the invention relates to a sealing method for a built-in straight tube spiral ring sealer, which is characterized in that: a barrel top boss edge (5) which adopts a curved tooth shape is used as a sealing surface, and a sealing gasket (31) and a barrel stopper (29) are passed through The sealing surface contacts form a seal, and the gap formed between the contact sides of the boss edge (5) of the bucket top boss (3) and the straight tube coil (14) can only form a closed passage in the barrel.
  • the invention relates to a method for fixing a built-in straight tube spiral ring sealer, which is characterized in that: the top plate of the barrel is stamped to form a barrel top convex having a boss edge (5), a process hole (7), and a barrel top boss inner hole (13). Table (3); Place the straight tube coil (14) into the inner hole (13) of the top bracket of the barrel, and insert the top of the straight tube coil (14) into the top of the barrel (3) under the squeeze of the locking mold. The annular groove formed by the boss edge (5) is clamped and radially expanded, and the barrel top boss (3), the straight pipe (16) and the boss edge (5) are locked in the locking die concave and convex tooth positioning sleeve. Under the action, the curved concave and convex tooth meshing combined concave platform (22) is finally formed, and the straight pipe coil (14) is permanently fixed on the top plate of the bucket.
  • the outer diameter (15) of the outer wall (15) of the straight tube coil (14) which is formed by the radial expansion is formed to be larger than the inner diameter of the lower barrel boss (13). the inside diameter of.
  • the top plate of the barrel is directly sealed by the sealing gasket and the barrel plug; the traditional two seals are changed into one seal; the positioning of the traditional octagonal coil flange is replaced by the concave tooth positioning, and the center line of the closure is barreled The distance between the curls is reduced by 10mm.
  • Figure 2 is an overall cross-sectional view of the straight tube coil before it is assembled. After assembly, the wall of the straight tube coil is changed into a four-concave mesh-shaped recess.
  • Figure 3 is a cross-sectional view of the embedded straight tube coil assembly. It shows on the left side of the section that the embedded straight tube coil combination recess is subjected to the biaxial extrusion clamping portion microstructure, and the right side of the section shows the microstructure after the unidirectional extrusion deformation of the combined concave and convex teeth.
  • Figure 4. is a front view of the embedded straight tube spiral assembly.
  • Figure 5. is a cross-sectional view of the embossed tooth profile A_A of Figure 4. Make it easy for the viewer to understand the microscopic engagement of the concave and convex teeth! Graphics.
  • Figure 6. is a partial cross-sectional view of the embedded straight tube coil closure under normal conditions.
  • Figure 7 is a partial cross-sectional view of the embedded straight tube coil closure when the top cover of the bucket is severely deformed.
  • FIG. 1 is an overall cross-sectional view of the bucket top boss 3 of the embedded straight tube coil closure prior to assembly. It can be seen from the figure that the bucket top 1 is bent by the inner transition arc 11 and the outer transition arc 2 to form the bucket top boss 3, and the inner diameter of the bucket top boss 3 is 62.7 mm, at the 13 mm edge of the bucket top boss 3.
  • the outer boss arc 4 and the inner boss arc 9 are bent to form a 4 mm wide boss edge 5, and a 56 mm diameter process hole 7 is formed in the middle of the boss.
  • the bucket top boss 3 can be punched by a combined die. Stretching, punching.
  • the straight tube coil 14 comprises a straight tube 16, wherein a G2 non-sealing tube thread 21 is arranged in the lower part of the inner wall 17 of the straight tube coil, and the G2 non-sealing tube thread 21 extends straight to the lower end surface 20 of the straight tube.
  • the straight tube 16 The straight tube spiral outer wall 15 is a smooth surface.
  • Straight tube coil 14 can be in steel drum
  • the packaging requirements are divided into light and heavy specifications.
  • the outer diameter is 62.4 mm for light and the outer diameter is 63.5 mm for heavy duty.
  • the light straight tube coil 14 is composed of a straight tube 16 having an outer diameter of 62.4 mm, a height of 12 mm, and a wall thickness of 1.0 mm, and a G2 non-sealed tube thread 21. It can choose special low-carbon straight seam electric welded steel pipe to be processed by cutting without cutting, squeezing, punching, tapping G2 unsealed pipe thread, trimming and galvanizing the surface.
  • FIG. 3 is a cross-sectional view of the embedded straight tube coil assembly of the present invention.
  • the bucket top boss edge 5 is bent downward from the inner boss arc 9 to enter the straight tube coil hole 19
  • the annular groove formed by the inner wall 10 of the boss top of the bucket top boss 3 and the bottom surface 8 of the boss base clamps the straight tube 16 in the annular groove, and the boss side 5 is locked Under the action of the die, it becomes a boss turning hole.
  • the bucket top boss 3, the straight pipe 16 and the boss turn hole initially form a combined recess.
  • the outer diameter of the concave portion formed by the upper portion of the outer wall 15 of the straight tube coil after being squeezed by the locking mold is larger than the inner diameter of the lower portion of the inner hole 13 of the top of the barrel top, and the surface between the barrel top boss 3 and the straight tube coil 14 is combined. No gaskets are installed.
  • Figure 4 is a front elevational view of the embedded straight tube coil assembly.
  • the upper portion of the bucket top boss 3 has an annular boss, and the outer wall of the bucket top boss 3 has eight microscopic curved teeth 18.
  • Figure 5 is a cross-sectional view taken along line A-A of the curved convex tooth of Figure 4. It is mainly convenient to understand the process of forming the embossed teeth.
  • the convex tooth surface is positioned.
  • the barrel top boss 3, the straight tube 16 and the boss side 5 are subjected to bidirectional extrusion from the core and the convex tooth surface, and enter the plastic deformation pressing process.
  • the extruded material begins to move into the concave tooth cavity on both sides of the convex tooth surface.
  • the combined concave table 22 at the concave tooth cavity portion rapidly protrudes into the concave tooth cavity under the unidirectional pressing force of the core and the material movement on both sides of the convex tooth surface, and produces plastic permanent deformation, so that the bucket top boss 3.
  • the straight pipe 16 and the boss edge 5 generate different degrees of arcuate protrusions in the assembly of the combined recess 22, and the boss edge 5 is bi-directionally pressed on the convex tooth surface, and the material moves toward the concave tooth cavity to make the concave tooth
  • the material of the boss portion 5 of the cavity portion is thickened, and the bottom surface 8 of the boss portion of the boss portion 5 forms an arc-shaped protrusion.
  • the straight pipe 16 is bi-directionally pressed on the convex tooth surface, and the material also moves toward the concave tooth cavity, so that the concave tooth
  • the thickness of the straight tube 16 in the cavity is increased, and is convex toward the concave tooth cavity along the bottom surface 8 of the boss side 5, and the bucket top boss 3 is bi-directionally pressed on the convex tooth surface, and the material is also moved to the concave tooth cavity.
  • the thickness of the bucket top boss 3 in the concave cavity is increased, and at the same time, the arc of the outer wall 15 of the straight pipe 16 is convex toward the concave tooth cavity.
  • the concave teeth of the inner wall 17 of the straight pipe 16 in the concave tooth cavity are in arc-shaped engagement with the convex teeth of the boss bottom surface 8 of the boss side 5.
  • the convex teeth of the outer wall 15 of the straight pipe 16 and the concave teeth of the inner wall 10 of the boss of the bucket top boss 3 also form an arcuate engagement.
  • a concave-toothed arc-shaped mesh with a depth of 4 mm is finally formed.
  • the recessed table 22 is combined.
  • the arc-shaped toothed engagement height formed by the straight pipe 16 and the bucket top boss 3 is only 0.25 to 0.5 mm, the contact pressure between them and the screwing force of the barrel plug are sufficient to prevent the diameter of the straight pipe coil 14 from being generated.
  • the combined concave table is radially enlarged, so that the outer diameter of the upper portion of the straight pipe 16 is larger than the inner diameter of the lower portion of the inner hole 13 of the top of the barrel, and the cylindrical concave groove of the straight tube is riveted in a bell mouth so that it cannot be axially Moving, the straight tube coil 14 is permanently fixed in the inner hole 13 of the bucket top boss.
  • Figure 6 is a partial cross-sectional view of the assembled straight tube coil closure of the present invention after assembly.
  • the bucket top boss 3 utilizes the riveting positioning function of the combined recess 22 to transfer its structural strength and the thread clamping function of the straight tube coil 14 to the bucket top boss 5 so that the bucket top boss 5 is sufficient to withstand 150N ⁇ m (G2 barrel plug)
  • the contact pressing force generated by the rotational torque and used as a contact surface is used as a contact surface.
  • the sealing gasket 31 When the barrel stopper 29 with the sealing gasket 31 is screwed into the embedded straight tube coil 14, the sealing gasket 31 directly contacts the barrel top outer boss arc 4 and the boss edge 5, when the barrel stopper 29 is screwed to the barrel stopper When the corner angle 26 is in contact with the outer arc 4 of the bucket top, the barrel stopper 29 is positioned to stop falling.
  • the sealing gasket 31 is formed by the rebounding force generated by the compression at the top of the bucket boss 5, the tip angle 26 of the bucket cover, the bottom surface 28 of the bucket, the arc of the barrel 30, the barrel neck 32 and the straight tube coil 14.
  • a rubber elastomer sealing band is formed in the annular groove space .33 to prevent liquid leakage in the barrel.
  • the embedded straight tube coil closure adopts the embossed tooth meshing positioning instead of the octagonal flange edge positioning, the overall size of the embedded straight tube coil closure is reduced to 68 mm, and the installation distance between the center line of the closure and the top of the barrel is reached. 60 ⁇ 55 mm.
  • the top of the bucket is between 0 and 20 degrees from the surface of the ground.
  • the sealer is at the lowest position, and the volume of the residual liquid in the barrel can be reduced to less than 50 ml.
  • Figure 7 is a partial cross-sectional view of the embedded straight tube coil closure at the top of the barrel.
  • the cylindrical outer wall of the vertical bucket top boss 3 When the top tensile stress of the bucket picks up the outer transition arc 2, the cylindrical outer wall of the vertical bucket top boss 3 is encountered. Since the cylindrical outer wall generates a large cold working stress during the drawing and drawing, the tensile strength of the cylindrical outer wall is very high. Big.
  • the straight tube coil 14 with strong inner lining of the inner wall of the boss 10 makes the rigidity of the bucket top boss 3 several times larger than the rigidity of the barrel body, and the deformation stress of the top of the barrel encounters the cylindrical outer wall of the embedded straight tube coil closure. Can only change direction along the cylindrical boss, spread to the surrounding Disappeared.
  • annular groove space 33 becomes the only channel that may be generated due to the deformation caused by the top tensile stress of the barrel, which is formed by the boss side 5 and the bottom surface 28 of the barrel cover, the barrel neck 32 and the straight tube coil 14.
  • the annular groove is a fixed space 33, and the sealing band formed by the sealing gasket 31 under the pressure of the barrel is sufficient to prevent liquid leakage under normal conditions.
  • the sealing gasket 31 can move in the direction of the force under the pressure of the liquid in the barrel, so that the contact pressure on the sealing surface rises rapidly, so the contact pressure on the sealing surface is greater than the pressure in the barrel.
  • the process of changing the contact state of the sealing ring by the pressure of the liquid in the barrel to seal it is a self-sealing action of the sealing ring in the fixed space.
  • the other part of the liquid enters the annular groove space 33 under the pressure of the barrel along the fitting gap 35 of the straight tube coil tube thread 21 and the barrel tube thread 34. Their state is the same as the above case, and the straight tube snail cannot be embedded. The ring sealer leaked out.
  • the sealing method of the present invention is: contacting the sealing top surface 5 with the concave-tooth tooth meshing shape as a sealing surface, and directly forming a sealing device with the sealing surface of the barrel stopper 29, the barrel
  • the fixing method for realizing the embedded straight tube coil closure is: inserting the straight tube coil 14 into the inner hole 13 of the barrel top boss, and embedding the top of the straight tube coil 14 into the barrel top boss under the squeeze of the locking mold 3 is clamped in the annular groove formed by the boss edge 5 and radially expanded, and the bucket top boss 3, the straight pipe 16 and the boss edge 5 are finally formed into bumps under the action of the locking tooth locating sleeve of the locking die.
  • the teeth are combined to form a recess 22 .
  • the barrel top boss 3 and the straight tube 16 are in a state of convex tooth engagement, so that the straight tube coil 14 cannot be rotated radially, and the straight tube spiral cylindrical recess 22 is in a bellowed state, so that the straight tube coil cannot move axially.
  • the straight tube coil 14 will be permanently fixed to the top cover of the bucket.
  • the embedded straight tube coil closure adopts the bucket top boss edge 5 as a sealing surface, and directly contacts the sealing gasket 31 and the barrel stopper 29 to form a sealing device.
  • the contact surface is closed loop with the inside of the bucket, and is not installed.
  • the sealing gasket does not cause a leakage accident even if the straight pipe coil 14 and the bucket top boss 3 generate a large gap.
  • the embedded straight tube spiral ring sealer and the bucket top boss adopt concave and convex tooth meshing and concave table riveting positioning to cancel the octagonal snail
  • the flange side of the ring reduces the overall size of the straight tube coil seal to 68 mm, and the installation distance between the center line of the sealer and the top of the barrel can reach 60-55 mm.
  • the steel drum is turned 180 degrees, the residual liquid is poured.
  • the sealer is at the lowest position, and the volume of the residual liquid in the bucket can be reduced to less than 50 ml.
  • the embedded straight tube spiral ring sealer uses low-carbon straight seam electric welded steel pipe to pass through no cutting and cutting.
  • the corner scrap produced during the manufacturing process is very small, which can save half of the steel compared with the traditional octagonal flanged coil manufacturing process.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Abstract

L'invention porte sur une construction de fermeture insérée, avec un tuyau fileté, qui comprend une plate-forme en saillie (3) au sommet d'un tambour, un tuyau fileté (14), une garniture d'étanchéité (31) et un obturateur (29) destiné au tambour. Le dessus de la plate-forme en saillie est extrudé par une filière et forme une partie en indentation, et reste à proximité de la paroi externe du tuyau fileté. Le bord coudé de la plate-forme reste à proximité de la paroi interne de la partie supérieure du tuyau fileté de façon à s'enrouler autour du tuyau et à le serrer de façon permanente. L'étanchéité se fait entre l'obturateur et le tuyau du fait de la garniture d'étanchéité. L'invention décrit un procédé d'étanchéité et un procédé de fixation associé. Dans l'invention, l'étanchéité est bonne et il n'y a pas de fuite lorsque la déformation du tambour est provoquée.
PCT/CN2008/000151 2007-09-25 2008-01-21 Construction d'une fermeture insérée avec un tuyau fileté WO2009039711A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN200710132193.6 2007-09-25
CN200710132193 2007-09-25
CN200710188688.0 2007-11-25
CNA2007101886880A CN101397062A (zh) 2007-09-25 2007-11-25 嵌入式直管螺圈封闭器及密封和固定方法

Publications (1)

Publication Number Publication Date
WO2009039711A1 true WO2009039711A1 (fr) 2009-04-02

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Application Number Title Priority Date Filing Date
PCT/CN2008/000151 WO2009039711A1 (fr) 2007-09-25 2008-01-21 Construction d'une fermeture insérée avec un tuyau fileté

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WO (1) WO2009039711A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757986A (en) * 1971-01-18 1973-09-11 Gulf & Western Ind Prod Co Closure member for metal containers and method of assembly
US4135639A (en) * 1978-05-08 1979-01-23 Stock Equipment Company Closure construction
US5356030A (en) * 1990-03-20 1994-10-18 Buedenbender Bernd Container having at least one filling opening with a threaded closure
CN1706720A (zh) * 2004-06-08 2005-12-14 里克公司 一种容器的封盖组件
CN101070108A (zh) * 2007-05-21 2007-11-14 张连元 组合式螺圈钢桶封闭器及密封方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757986A (en) * 1971-01-18 1973-09-11 Gulf & Western Ind Prod Co Closure member for metal containers and method of assembly
US4135639A (en) * 1978-05-08 1979-01-23 Stock Equipment Company Closure construction
US5356030A (en) * 1990-03-20 1994-10-18 Buedenbender Bernd Container having at least one filling opening with a threaded closure
CN1706720A (zh) * 2004-06-08 2005-12-14 里克公司 一种容器的封盖组件
CN101070108A (zh) * 2007-05-21 2007-11-14 张连元 组合式螺圈钢桶封闭器及密封方法

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