JPH06509309A - Lidded barrel with tightening ring - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Lidded barrel with tightening ring The present invention relates to hazardous fluid or solid materials according to the predominant features of claim 1 Concerning lidded barrels made of thermoplastic plastic for receiving fillings of A barrel with a lid of the type is disclosed, for example, in Utility Model No. 8632037 of the Federal Republic of Germany. It is generally known by the No.

with a larger keg opening than in a covered keg with a relatively very small spout. For example, if the barrels are stacked with lids and the barrels are turned over, the barrels may fall over. When this occurs, the seal of the barrel may be compromised and potentially dangerous liquid contents may be released. There is a high risk of spillage.

If this type of lidded barrel filled with liquid is tipped over, the lid will Under the flooding pressure of the filling is pulled from the barrel body, which causes the barrel to lose its sealing properties. spoiled and the filling flows out. Where the lid has a type of locking part for the barrel body locking segments and separators on the barrel body for the tightening wire closure device. In the conventional structure with a segment-like lid flange, it is divided into segments. It turns out that the flange of the closed lid is, as a rule, the weakest member when the barrel falls over. It's turning into a crab. In this case, non-sealing occurs already at low fall heights. Below For the above reasons, conventionally known structures with segmented lids are actually It has not been implemented.

Generally, to check the drop height or tipping height at which the sealing property is still maintained. The barrels have been subjected to routine drop tests and have been tested based on more or less good sealing properties. approved by an authorized authority only for certain hazardous or non-hazardous fillings. approved.

A regular lidded barrel filled with liquid will not survive a typical side tip or side drop. The seal was maintained between drop heights of approximately 1.20 m, and at higher drop heights, Regular non-sealing occurs. A barrel with a lid fell and broke at a height of approximately 1.50m. that is, in a recyclable form without loss of sealability. The answer is that this was very successful and did not cause any damage that would pollute the environment. This means it could have been avoided.

The present invention is designed to reduce the contact points with the floor at the moment of maximum flooding pressure inside the barrel when the barrel hits the floor. Now, a radially inwardly directed force is applied point-wise to the clamping ring and this clamping ring The flange ring on the lid edge and barrel wall is covered by It starts from this recognition. The tightening ring is used for a short period of time until the barrel body is approximately the same in cross section. It acts to maintain a uniform or oval shape. In this case, contact is made in the lateral range. The radius of the tightening ring on the left and right adjacent to the touch point is significantly reduced and In the area of leverage, the legs of the tightening ring, which extend slightly conically with respect to each other, are further spread out. It's becoming a sea urchin. At the same time, this range works on the peripheral wall flange and the lid flange. The tightening ring must be applied with force, and the top of the barrel must be applied with force against the lid seal. Lost. The tightening ring can keep any remaining bending damage intact. The sole quality of the barrel disappears.

The object of the invention is therefore to provide a tightening ring closure for lidded barrels by means of special structural measures. This increases the radial load capacity of the barrel, which prevents the lid from detaching from the barrel body in the event of a fall. improved sealing of the barrel, even at high drop heights. The goal is to ensure that the system is consistent.

This is achieved according to the invention by the features stated in the characterizing part of claim 1. . In the closed state, it is positively engaged from the rear side by means of a tightening ring or its legs. Or, the locking members that abut (protrude) against these legs from the outside can also be installed on the barrel body. Alternatively, the legs of the tightening ring may be fixed in the axial direction by being provided on the lid. The legs are prevented from expanding, so the holding force acting on the rumored lid is Never lost, even at high fall heights the barrel is sealed at each point of the rumored perimeter wall maintained.

The tension ring lever is steered or opened (thereby the tension ring closure is released). the diameter of the tightening ring increases accordingly, so that it cannot be blocked by the locking member. It is possible to remove the tightening ring and lid without any problems without being exposed to . Continuous or annularly closed at its outer periphery as described above without interruption A circumferential flange with a contoured profile allows the The high specific stiffness of the barrel body is completely achieved. According to the configuration of the present invention, the barrel The flange at the lid also contributes to obtaining the radial stiffness of the closed lidded keg. ing.

According to the constituent features of the present invention, the outside of the lid is attached to the outer peripheral wall of the barrel body above the peripheral wall flange. A number of protrusions are formed corresponding to the number of through holes provided in the ring portion. this These protrusions have shapes corresponding to the through holes and serve as locking members. It is equipped with locking lugs, which are shaped by the upper legs of the tightening ring. It is designed to be engaged from behind or from below in a connected manner.

An important feature of the present invention is that the barrel body and the lid are locked together using a tightening ring. What is important is that the tension ring is secured to this tension by means of a locking protrusion attached to the barrel body. This means that the legs of the tightening ring are locked from the outside to prevent them from expanding.

This increases the height of the lid/keg opening range for lidded kegs in the event of a tipping over. The desired radial stiffness is obtained.

According to the lidded barrel configured according to the present invention, a high falling height of about 1.50 m and A lidded barrel is obtained in which the sealing properties of the barrel are still maintained even when the temperature is lower than that. Therefore, the analogy For example, barrels may tip over while being loaded and unloaded on the loading surface of a truck. However, in actual use, the Even if this occurs, the sealing performance of the new lidded barrel will not be impaired. do not have.

According to another feature of the invention, the lid or the outer ring part of the lid, in the closed state, Locks similarly to the outer wall of the barrel body between the locking protrusion and the through hole located on the same height plane. A locking projection segment is formed, and this locking projection segment is located above the tightening ring. It can be engaged from behind by the legs. Lock provided on the edge of the lid The projection segments cooperate with locking projections arranged on the barrel body to ensure that these locking projections prevents the upper tightening ring leg from expanding in the middle range. This will cause the upper tension to The locking ring legs are locked or fixed in the longitudinal direction of the barrel over the entire circumference of the barrel.

According to another feature of the invention, a locking member is provided on the outer wall of the barrel body on the underside of the peripheral wall flange. An annular locking ring is formed as a locking ring. It is adapted to be engaged from behind by the lower leg. By such means Similarly, the lower legs are continuously spread around the outer circumference to ensure the expansion tendency. It is designed to be blocked and fixed.

According to an advantageous manufacturing form of the invention, the outer wall of the lidded barrel body with the locking projection comprises: Manufactured in one working step by extrusion in a blow mold. Ringno Thermoplastic material with different partial wall thicknesses due to partial thickness control of the tube Since the tubular intermediate product is extruded, blow molding is possible. There are no undesirable pockets, depressions or recesses within the barrel body that are complete in shape. It does not occur on walls.

Inside such pockets, neeshes or recesses, later when emptying the remainder of the barrel The contents of the barrel may stick and remain.

According to another manufacturing form of the invention, the peripheral flange and the locking projection as well as the lower On the strip-shaped support as a separate injection-molded part, possibly with a lower annular locking The ring is pre-formed and the strip-like support is fitted with a form-fitting and/or It is fixed to the barrel body by fitting.

In this case, the injection molding department is still open before extruding the tubular intermediate product. The outer wall of the barrel body is inserted into the open blow mold half during the blow molding process. or the injection molded part can be later mounted onto the finished barrel body. or can be shrink-fitted, for example.

According to another feature of the lidded keg of the invention, a ring part extends on the lower side at the lid flange. A number corresponding to the number of through holes formed in the peripheral wall flange at the same intervals on the long part. tongue-like extensions are provided, and these extensions have outwardly projecting latches. It is equipped with protrusions at the lower end, and these locking protrusions are attached to the periphery when the lid is placed on top. It protrudes through a through hole in the wall flange and is attached to the lower leg of the tightening ring. It can be engaged from behind. In this case, mainly the lower tightening ring The resulting edges of the legs are adapted to lock against the peripheral flange of the barrel body. Also Advantageously, an upper locking ring is additionally formed on the ring part of the barrel lid. and the locking ring can be engaged from behind by the upper leg of the tightening ring. , so the legs of the upper tightening ring are also fixed in an annular shape. In this configuration In order to obtain radial stiffness in the range of the large barrel opening of the lidded barrel, it is important to a continuous annular or continuous rigid peripheral wall of the barrel body; The lunge and the inner lid flange.

Federal Republic of Germany Patent No. 3323550 and Federal Republic of Germany Patent No. According to the specification of No. 3400059, a tongue-shaped additional part is provided on the lower edge of the barrel lid. Barrels with lids are known in which a locking projection is formed on the extension. death However, this barrel has a segment-shaped peripheral flange on the barrel body and a segment on the lid. This is disadvantageous. The reason is that this Therefore, the peripheral flange is provided only on half of the circumference of the barrel, and the tightening ring is attached to the segment. Attach to the barrel body or lid edge through a cavity within the intermediate range between the This is because you will be kicked. Therefore, the opening range of this known lidded barrel is Because of this, the relatively rigid tightening ring also has a very weak (, radially acting) (force) Weak and low fall heights will already result in non-sole properties.

By increasing the internal static pressure (e.g. exposing barrels of this type to strong sunlight) (if left outside) or by flooding pressure created when the barrel is tipped over. The barrel lid then swings forcefully outwards or upwards. This causes the bottom of the tightening ring to A preferential high tensile force acts on the segment members of the lid flange provided in the barrel (and The diameter of the lid decreases. Lid flange - segment has bending strength/torsion The flange segment may break downward due to insufficient strength against the If the lid of the barrel is pulled out of the barrel or the lid of the barrel is removed from the barrel body at least at the outer periphery. There is a significant risk that the barrel will be removed and spilled. Another aspect of the present invention According to the configuration requirements, it protrudes through the through hole provided in the rumored ring part of the lid. through the locking protrusion on the protrusion of the barrel peripheral wall and the through hole formed in the peripheral wall flange. A plurality of protruding tongue-shaped additions are arranged alternately around the barrel body, and the rear annular locks that engage one another positively in cooperation with a tightening ring that engages from forming a system. With a lid, thanks to the combination of different locking possibilities The sealing of the barrel can be further improved even at high drop heights.

Finally, according to another advantageous feature of the invention, a peripheral flange with through holes and an upper latching lugs on the sides and possibly on the lower side, spaced apart from each other The base is preformed on a strip-like support as a separate injection-molded part. This strip-like support is connected to the barrel body by form-fitting and/or joining. is fixed. This allows for a rather small component on the strip-shaped support. Also, the barrel lid is manufactured by injection molding, whereas the barrel body is manufactured by injection molding. All you need is a simple blow mold.

The invention will be explained in detail below with reference to the embodiments shown in the drawings.

FIG. 1 is a partial longitudinal sectional view of the upper region of the lidded barrel of the invention.

Figure 2 is a diagram of the lidded barrel shown in Figure 1 shifted by one segment in the circumferential direction. Ru.

FIG. 3 shows a barrel with a lid according to another embodiment of the invention. FIG. 4 shows a barrel with a lid shown in FIG. 3. FIG. 3 is a diagram in which the barrel is shifted by one segment in the circumferential direction.

Figure 5 shows a barrel with a lid according to another embodiment of the invention. Figure 6 shows a barrel with a lid shown in Figure 5. FIG. 3 is a diagram in which the barrel is shifted by one segment in the circumferential direction.

In FIG. 1, reference numeral 10 indicates a barrel body with a lid. This barrel body 10 with a lid is At its outer wall, there is a gap (approximately 20m11 to 60+1 1) with an inner circumferential wall flange 16 crushed from the material of the barrel wall; There is. This peripheral wall flange 16 has a tightening ring 18 that is engaged from below or above. It forms a lower counter-support member for. Peripheral flange 16 may be interrupted It extends continuously in an annular shape and has a sturdy structure.

A lid 20 is placed on the lidded barrel body 10. This lid 20 has its outer periphery a ring that covers the upper barrel body 12 and extends vertically or in the longitudinal direction of the barrel; The ring portion 22 has a radially outwardly extending portion 22 at its lower edge. oriented and similarly extending continuously in a circular manner without interruption and being rigidly constructed. In addition, a lid flange 24 is formed as an upper opposing support for the tightening ring 18. has been completed.

The tightening ring 18 has an upper leg 30 and a lower leg 32. 0.32 extends slightly diagonally inward, so it has a U-shaped or trapezoidal cross section. A shape is formed. In the closed state, the peripheral wall flange 16 and the lid flange 24 are drawn together or clamped together by a clamping ring 18 which is fitted over the The barrel body line 12 is then pressed against the seal inserted into the lid 20, and this The lid is closed air-tight and liquid-tight.

In the outer ring part 22 of the lid 20, in the lower region there is a polygon which is uniformly distributed over the outer circumference. A number of through holes 26 (cutouts or windows) are provided, and the lid flange 24 further has a continuous hole 26 (notch or window). It is continuously closed and extended. The longitudinal cross-sectional view shown in FIG. FIG. , of the barrel body 10 above the peripheral flange 16. A number of protrusions 34 corresponding to the number of through holes 26 are formed on the outer peripheral wall. These protrusions 34 are locking protrusions that protrude outward in the radial direction and are used as upper lock members. It has an origin of 36.

In the covered state, the protrusion 34 on the barrel wall is inserted into the ring portion of the lid within the through hole 26. 22, the locking protrusion 36 penetrates the through hole 26 and projects to the outside, either in positive engagement with the upper leg 30 of the tightening ring 18 or externally. It is abutted against the leg 30. As a result, the lid 20 and the barrel body 10 are , locked to each other in a form-locking manner by radially engaging tensioning rings 18, the barrel is a short-term strong pressure peak or significant pressure peak when an overturned barrel hits the floor. can withstand extremely high internal pressure values, in which case the sealing condition of the barrel may be compromised. There is no such thing.

The circumferential length of the through hole 26 of the lid 20 or the locking protrusion 36 (approximately 3 mm longer than the through hole) The circumferential length of the protrusion 34 on the barrel peripheral wall with a large capacity 220 + (220 between 3 Qa+++ and 120 ■, advantageously about 5 Qma+.

Figure 2 shows the barrel with lid shown in Figure 1 shifted in the circumferential direction by the length of the through hole. , that is, a longitudinal section through the closed intermediate region of the ring part 22 of the lid 20 is shown. It is. At the location shown in Figure 2, the barrel wall has moved back slightly inward or has protruded. It is composed without an origin. Not only the upper leg 30 but also the lower leg 32 are axially In order to prevent the barrel from spreading, there is a fixed An annular locking ring 40 is formed as an edge (stopper) for the abutment.

This locking ring 40 is engaged by the lower leg 32 of the tightening ring or It abuts against the leg 32. The outer ring portion 22 of the lid has a through hole 26 It also has locking projection segments 38 in the area between these locking projection segments. The component 38 is closed-deaf, is in the same level plane as the locking projection 36, and has a tightening ring. It is designed to prevent the waveform from becoming distorted or spreading.

The plastic barrels shown in Figures 1 and 2 are manufactured in the working stage of the blow molding process. ing. In this case, the locking projection 36 is simultaneously moved by a correspondingly designed mold slider. Like the inner peripheral wall flange 16, it is formed by directly crushing the material of the outer wall. obtain.

3 and 4 correspond to those shown in FIGS. 1 and 2, but manufactured in a different format. A barrel with a lid is shown. The barrel body 10 is a region below the barrel body edge 12, It has a slightly wavy and drawn-in shape. In this range, a ring-shaped ray The molded part is fixed to the barrel body 10. The injection molded part is on the inside and touches the barrel body. The support part 42 has a belt-shaped support part 42 that has a support part 42 facing outward. , the upper locking protrusion 36 (in the drawing, the through hole 26 formed in the ring portion 22 of the lid) (correspondingly segmented) and continuous annular in the central part A circumferential wall flange 16 and a locking ring 40 that also extends continuously in an annular shape are molded. ing. The injection molding part is preformed separately to save material. A number of notches 44 are provided between the locking projection 36 and the material flange 16, and In addition, a notch 46 is also provided within the peripheral wall flange 16. These notches 44,4 6, the holes extend in the axial direction (longitudinal direction) or are spaced apart from each other in the circumferential direction. Since a large number of ribs are provided, the material present between these will compromise the strength Materials can be saved without any problems. Figure 4 shows the a solid lid flange of the lid 20 with an annularly extending cutout 48, correspondingly ribbed; It is shown that a pipe 24 can also be provided.

In order to produce this barrel, the barrel body must be blow molded without a molding slider. Simple blow molding is sufficient, but of course the injection molded ring part must be prepared separately. It can be manufactured in advance, placed on the outer wall soil, and then clamped, joined, glued or welded. Therefore, it must be fixed.

In the barrels with lids shown in FIGS. 5 and 6, the barrel body 10 or its peripheral wall is The locking of the lid 20 against the flange 16 is performed in the radial direction on the inserted locking protrusion 52. Another variant embodiment is shown which is carried out by means of an engaging tensioning ring 18. this place In this case, the peripheral wall flange 16 has its outer contour formed inwardly, but is directly connected to the barrel wall. In the section, a large number of slit-like through holes 28 ( windows) are formed.

These through-holes 28 can be formed, for example, in corresponding tongue-shaped additions on the mold slider. Therefore, it can be directly formed or molded by blow molding.

The number and width (or length in the circumferential direction) of through holes 28 provided in the peripheral wall flange 16 ), the lower edge of the lid flange 24 corresponds to the extension of the ring part 22. Tongue-shaped additional portions 50 are provided, and these additional portions 50 are provided with a lid on which the lid is placed. In this state, it is inserted through the through hole 28, with a portion protruding downward. tongue-like A locking protrusion 52 that functions as a locking member is integrally formed on both protruding ends of the additional portion 50. has been done. This locking protrusion 52 engages with the lower leg 32 of the tightening ring from behind. or abut against this leg 32 as a stopper from the outside. This prevents the legs 32 from spreading.

As shown in broken lines in FIG. , segmental or correspondingly spaced locking projections on the barrel wall; A rise 56 is formed. At the same time, make sure that the upper leg 3 of the tightening ring expands. In order to prevent this, the annularly formed upper locking ring 54 is It is arranged so that it hits leg 30 from the side.

In this locking system as well, the peripheral flange 16 with the through hole 28 is provided with a separate injection molding. It is also possible to form it in advance as a molded ring part and fix it to the barrel body. It is Noh.

In the combination of the barrel variation embodiments described above, the ring portion 22 of the lid 20 is penetrated. A locking protrusion 36 protruding through the through hole 26 and a locking protrusion 36 formed on the peripheral wall flange 16 A tongue-like piece with an integrally molded locking protrusion 52 protruding through the through hole 28. The attachment part 50 is selectively arranged on the outer periphery of the barrel body 10, and a tightening link is engaged from behind. 18, the locking system extends in an annular manner and engages each other in a form-locking manner. It is also possible to form Barrels according to this variant embodiment also have different locks. It is also possible to provide an injection-molded ring section that rests on the barrel body, with a stopper. be.

According to the foregoing description, the lidded barrel according to the structure of the present invention has a very high drop height. It can withstand falling heights without compromising the seal.

It is therefore particularly suitable for transporting hazardous fillings, liquid or solid. .

FIG.1 FIG.2 FIG.3 FfG, 4 Continuation of front page (81) Designated countries EP (AT, BE, CH, DK.

FR, GB, GR, IT, LU, MC, NL, SE).

0A (BF, BJ, CF, CG, CI, CM, GA, GN, ML, MR, S N, TD, TG), AT, AU, BB, BG, BR, CA, C H, C3, DE, DK, ES, FI, GB, HU, JP, KP, K R, LK, LU.

MG, MN, MW, NL, No, PL, RO, RU, SD, S E, US, DE, ES

Claims (1)

[Claims] 1. Thermoplastic plastics for receiving hazardous fillings, liquid or solid. A barrel with a lid consisting of a barrel, (a) a barrel body (10) is provided, the barrel body (10) being located at the upper barrel body edge; On the outer peripheral wall of the barrel body (10) at a distance between the lower side of the part (12) and the upper or lower side. the lower side for a tightening ring (18) having a generally U-shaped cross section that engages from (b) having a continuously extending rigid peripheral wall flange as a counter-support; A lid (20) is provided, which lid (20) has an outer circumferential area that covers the upper barrel base. It has a vertically extending ring portion (22) that covers the body edge (12). at the lower edge of the ring portion (22) of the , a sturdy lid flange (2) as an upper counter-support for the tightening ring (18). 4), the outer ring part of the barrel lid (20) (22) and/or a peripheral wall flange (1) provided on the outer peripheral wall of the barrel body (10). 6) has distributed through holes (26, 2) for receiving locking members (36, 52). 8), and the locking member (36, 52) has a barrel lid (20) placed on it. When the tightening ring (18) is in the locked state, it is inserted through the through holes (26, 28). shaped by the upper and/or lower legs (30, 32) of the tightening ring (18) of the A barrel with a lid, characterized in that it can be engaged from behind in a similar manner. . 2. Attach the outside of the lid (20) to the outer peripheral wall of the barrel body (10) above the peripheral wall flange (16). The number of protrusions (3) corresponding to the number of through holes (26) provided in the side ring part (22) 4) are formed, and these projections have a shape corresponding to the through hole. and is provided with locking protrusions (36) that act as locking members, and these locking protrusions are , from behind or in a form-locking manner by means of the upper leg (30) of the tightening ring (18). Barrel with lid, characterized in that it is adapted to be engaged from below (Figures 1 and 3) . 3. At the barrel lid (20) or the outer ring part (22) of the lid, the locking lugs are engaged in the closed state. The barrel body (10) Similarly, a locking projection segment (38) is formed on the outer wall of the locking projection segment (38). The component can be engaged from behind by the upper leg (30) of the tightening ring (18). The lidded barrel according to claim 1 or 2 (FIGS. 2 and 4). 4. On the outer wall of the barrel body (10), on the underside of the peripheral wall flange (16), there is a fixed abutment edge and an annular locking ring (40) or locking protrusions spaced apart from each other; A raised part (56) is formed, the abutting edge of which is attached to the lower leg of the tightening ring (18). Claims 1, 2 or 3, wherein the device is engaged from the rear side by A barrel with a lid according to No. 3 (FIG. 1, FIG. 3, FIG. 4). 5. Peripheral flange (16) and locking protrusion (36) and, in some cases, lower The annular locking ring on the side connects to the band-like support (42) as a separate injection-molded part on the lower side. ), and the strip-shaped support (42) provides a form-locking and/or Claim 1, 2, 3 or 4, wherein the barrel body (10) is fixed to the barrel body (10) by or by a joint. A barrel with a lid as described in (Figures 3 and 4). 6. At the bottom of the lid flange (24), on the extension of the ring part (22), maintain the same spacing. Therefore, the number of tongues corresponding to the number of through holes (28) formed in the peripheral wall flange (16) Flange-like extensions (50) are provided, and these extensions (50) extend outwardly. The lower end is provided with protruding locking projections (52), these locking projections (52) , a through hole (28) provided in the peripheral wall flange (16) with the lid placed thereon. protrudes through and is secured to the rear by the lower leg (32) of the tightening ring (18). With a lid according to claim 1, 2, 3, 4 or 5, which can be engaged with the lid. A barrel (Fig. 5). 7. An additional upper locking ring (54) is placed on the ring portion (22) of the barrel indigo (20). ) is formed, and the locking ring (54) is attached to the upper leg of the tightening ring (18). Claims 1 to 6 are adapted to be engaged from behind by (30). A barrel with a lid according to any one of (Fig. 5, Fig. 6). 8. Penetrates through the through hole (26) provided in the ring portion (22) of the barrel lid (20). The locking protrusion (36) on the protrusion (34) of the barrel peripheral wall and the peripheral wall flange (16) A tongue-shaped additional portion (50) protruding through the through hole (28) formed in the hole (28) are arranged alternately around the barrel body (10), and are engaged from behind. An annular locking system which, in cooperation with the tightening ring (18), engages one another in a form-locking manner. 8. Lidded barrel according to any one of claims 1 to 7, forming a barrel. 9. A peripheral wall flange (16) with a through hole (28) and an upper locking protrusion (36). , and in some cases, lower locking protrusions (56) spaced apart from each other. , on a strip-shaped support (42) as a separately provided injection-molded part. This strip-shaped support (42) is formed into a barrel by form-fitting and/or joining. With a lid according to any one of claims 1 to 8, which is fixed to the main body (10). Kibaru.