CN101821171A

CN101821171A - The compound lid that is used for container

Info

Publication number: CN101821171A
Application number: CN200880104858.5A
Authority: CN
Inventors: A·C·T·阿尔瓦雷斯; A·R·塞内
Original assignee: Brasilata SA Embalagens Metalicas
Current assignee: Brasilata SA Embalagens Metalicas; Folger Coffee Co
Priority date: 2007-08-31
Filing date: 2008-09-01
Publication date: 2010-09-01
Also published as: WO2009026666A2; EP2185438A2; RU2010112418A; WO2009026666A3; MX2010002307A; JP2010536680A; UY31315A1; US20110121009A1; CL2008002596A1; AR068155A1; KR20100075866A

Abstract

The invention discloses a kind of compound lid that is used for container, this container comprises the tubular body (10) of carrying by the metal annular upper wall of sheet (20), wherein form by the pedestal (21) that is configured to admittance and maintenance lid (30) around the opening that forms (A), described lid comprises base portion part (31), this base portion part when lid (30) is closed along periphery in conjunction with falling to sitting and remaining on retaining part (32) on the pedestal (21).The base portion part (31) of lid (30) comprising: with retaining part (32) with the single-piece form by the molded circumferential annular element (33) that forms of plastic material; With the center part (34) that is sheet metal sheet form and has the outer peripheral edge (34a) that is attached to circumferential annular element (33).Circumferential annular element (33) can be inwardly and with the single-piece form in conjunction with the center plate (33d) that is located on the center part (34), this center part can be attached to cover or be attached to after the lid injection mo(u)lding in the lid injection molding process and cover.

Description

The compound lid that is used for container

Technical field

The present invention relates to a kind of lid that forms by multiple material that is applied to container, the lid that forms by sheet metal and plastic material more particularly, this container is formed by the jar with circle or polygon cross-sectional plane that sheet metal or other material obtain usually, this container comprises tubular body and pedestal, this tubular body carrying forms the annular upper wall of the inlet that leads to internal tank, lid removably assembles and remains on the pedestal, is used for closed container.

Background technology

The lid of jar or other similar containers is known in the art, described jar is formed with the single-piece formal construction by punching sheet metal or moulding of plastics materials, and have the base portion part, the opening of this base portion part covering container when lid is closed and along periphery in conjunction with falling to sitting and remaining on retaining part on the pedestal.

The lid that forms in the punching sheet metal mode comes from usually to show and surreptitiously opens hermetic unit, and it is incorporated in to retaining part and radially protruding from this retaining part, to cooperate with the upper edge region of container body.These lids that are made of the sheet metal have used a lot of years, and aspect the base portion partial sum retaining part constructional variant are being arranged.But, although have crash-resistant mechanical strength and formed suitable not oxygen flow G﹠W steam also have suitable to photosensitiveness, these crown caps still cause being provided with to show on container in the discrete item mode surreptitiously opening packing element, should show surreptitiously open packing element with respect to lid externally or in positioned internal, to meet definite application.

On the other hand, that consider type at this and can the single-piece form form by the molded lid that forms of plastic material, it comprises base portion part, retaining part and hermetic unit, guarantees to obtain the closure elements with following appropriate characteristics: leak tightness, can not invasive, intensity and be easy to be opened and closed by the user who is stored in the product of consumption one by one in the container.

But in some applications, the lid that is molded by plastic may and form actv. every having some limitation aspect the photosensitiveness at airtight body and steam (particularly between long-term Keeping life).

That considers relates to container on the other hand, the annular upper wall of this container is formed by punching sheet metal, and is engaged to the end edge (upper limb) of the tubular body of container or otherwise is attached to the end edge (upper limb) of the tubular body of container hermetically along peripheral bilayer.Under these situations,, still be dropped as waste material although the middle waste material that the sheet metallo-is produced by the punching press annular upper wall shows as the sheet metal part that surface treatment required in the application that forms container produces.The scheme of crown cap or vinyl cover all can not solve the problem that abandons by the formed middle waste material of the annular upper wall of stamping container.

In certificate of addition C10401239-9, describe and asked for protection a kind of by plastics and the metal known compound lid structure of sheet.Aforementioned documents proposes a kind of base portion lid structure partly that has peripheral part and be made of the sheet metal that comprises, this peripheral part is suitable for falling to being sitting on the upper limb of tubular body of container and is connected to the retaining ring that is made of plastic material that is provided with sealing, guarantees to be in the axial maintenance of the lid of closure state.

The above-mentioned aforementioned structure of quoting as proof and in document US 5,881,907, US 6,220,466, US7,147,118 and US 7,175, those structures that limit in 039 are used and are comprised a kind of base portion compound lid partly that is made of the sheet metal, the open upper end portion of the tubular body of the whole covering container of this compound lid and have peripheral part on the upper limb that must be suitable for falling to being sitting in hermetically tubular body, the axial maintenance of base portion part guarantees by the circumferential annular element that is made of plastic material, this circumferential annular element has annular upper flange or the blind plate upper flange that falls to being sitting on the metal base part and is connected to the peripheral skirt of the maintaining part in the tubular body that outwards is arranged on container, and is combined in alternatively and opens separable sealing when covering first.

But, the scheme of the compound lid of above-mentioned discussion is applied in the container of the annular upper wall with the pedestal that is used to form lid, the axial locking of lid realizes by the mode of the curled portion, fin or the screw thread that engage such as the circumferential annular element that outwards is provided with respect to the tubular body of container and be made of plastic material, do not have and the relevant sealing function of pedestal that is used to make the base portion that formed by metal integral partly to be seated in.

In these known compound lids, not oxygen flow gas and aqueous vapor and partly produce by the base portion that forms by the sheet metal integral, this base portion part every photosensitiveness under the help of middle part resin-sealing material or the help that need not the middle part resin-sealing material forcibly adapt to and mutual action by the formed pedestal of upper limb of the tubular body of container.These schemes have relative complex and mono-structure, can not be applied to will to be assembled and to remain on the lid on the pedestal on the annular upper wall that is formed at container.

Summary of the invention

Because the limitation and the defective of the compound lid of the prior art relevant with the container of considering type at this, the object of the present invention is to provide a kind of lid that constitutes by sheet metal and plastic material, with respect to only being improved to some extent in oxygen flow gas (and other gas) property not with every aspect the photosensitiveness by covering of constituting of plastic material, whether than no matter the cost in conjunction with the known compound lid of tamper evident seals is low for the cost of described simple structure by simple structure for this lid.

Another object of the present invention provides a kind of lid of as above being mentioned, and this lid has the metal part that it is formed by stampings.

Another purpose of the present invention provides a kind of aforesaid lid, and it allows to pile up safely by described lid osed top container.

In order to realize the above-mentioned purpose of mentioning, the lid of discussing comprises the base portion part, this base portion part when lid is closed along periphery in conjunction with falling to sitting and remaining on retaining part on the pedestal of annular upper wall of container.

According to the present invention, the base portion of lid partly comprises: with retaining part with the single-piece form by the molded circumferential annular element that forms of plastic material; With the center part that is sheet metal sheet form and has the outer peripheral edge that is attached to the circumferential annular element hermetically.By considering to form the annular upper wall that constitutes by punching sheet metal, the center part of the base portion part that the present invention allows to cover is produced by the punching press annular upper wall, and the middle waste material of self forms, thus, then the metal piece of compound lid form by common element as waste disposal.

In fact lid formed according to the present invention makes its whole zone design be used for the closed container opening, form by airtight body and opaque flakes metal sheet that have low-down productive costs, the retaining part that permission is made of plastic material cooperates with pedestal with as packing element with the element that acts on the tubular body that vertically lid is remained to container.

In a kind of constructional variant, the circumferential annular element can be inwardly and with the single-piece form in conjunction with the blocked center plate that also constitutes that is located on the center part by plastic material.In this case, set up leak free sealing spacing body by retaining part, circumferential annular element and the formed Plastic Parts of center plate, its zone below following reinforcement is positioned at center plate with the metal center combination of elements, this metal center element can make its periphery edge be bonded to the plastic material of circumferential annular element or be assembled to described plastic material after cover mold system in the process of the plastic material that injects lid.

Description of drawings

By the way of example that provides embodiments of the invention the present invention is carried out following description with reference to accompanying drawing, in the accompanying drawing:

Fig. 1 represents the transparent view of the structure of related lid;

Figure 1A representation class is similar to the lid of Fig. 1 but the view of a kind of constructional variant of expression lid is wherein covered by the circumferential annular element that is made of plastic material with by the retaining part integral body that plastic material constitutes by the center part that the sheet metal constitutes;

Local radial cutaway view when Fig. 2 represents that the lid as Fig. 1 is assembled on the pedestal on the annular upper wall of the tubular body that is formed on jar, this cutaway view dissect according to the line II-II of Fig. 1 and form;

But Fig. 2 A represents to cover is similar to Fig. 2 thinks the local radial cutaway view of the constructional variant of Figure 1A;

Fig. 3 represents the top perspective of the base portion center part partly of compound lid;

Fig. 4 represents the local radial cutaway view of the center part that covers, and described cutaway view dissects according to the line IV-IV of Fig. 3 and forms;

But Fig. 5 represents to cover is similar to Fig. 2 and 2A thinks the local radial cutaway view of another kind of constructional variant; According to described another kind of constructional variant, center part is attached to the circumferential annular element after circumferential annular element molded and by the radially maintenance salient that is attached on the circumferential annular element;

Fig. 6 represents to cover be similar to Fig. 2,2A with 5 but the local radial cutaway view relevant with another constructional variant; According to described another constructional variant, center part is attached to the circumferential annular element after circumferential annular element molded and by the screw thread that is attached on the circumferential annular element;

The top perspective of the center part shown in Fig. 7 presentation graphs 5 and 6 the embodiment; With

Fig. 8 represents to be provided with the partial cutaway top perspective of the jar of annular upper wall, and the center part of the base portion part of lid obtains from the annular upper wall middle part by punching press, and described center part shows with resolution model.

The specific embodiment

Compound lid of the present invention can be applicable to the container of following type, this container comprises the tubular body 10 that is made of the sheet metal, described tubular body 10 has common columned sidewall 11, the annular upper wall 20 that carrying also is made of the sheet metal, have by pedestal 21 around the opening A that forms, lid 30 falls to sitting and remains on this pedestal 21.

Annular upper wall 20 can constitute by different way, for example, crushed element as the described sidewall 11 by tubular body 10 of same applicant's Brazilian patent application PI 0504528-2 (PCT/BR2005/000232) forms, perhaps, shown in Fig. 2 and 8, carry out suitable punching press and the upper limb by upper part of double junction surface Rs sidewall 11 of 10 along peripheral attachment to tubular body obtains by independent sheet metal.

What be independent of the structure that is applied to annular upper wall 20 (or single-piece or double-deck part that is engaged to the sidewall 11 of tubular body 10) is, this structure construction is used within it periphery edge and forms pedestal 21 around opening A, shown in the structure, the fin shape of the rounded or basic circular tubular cross-section of pedestal, this fin is by with the inner periphery of annular upper wall 20 downwards, upwards and outwardly-bently obtain up to finishing tubular form.But, it should be understood that pedestal 21 can have and the relevant different structure of type at the compound lid of this proposition, as long as it not only guarantees compound axial maintenance of covering on pedestal 21, and guarantees the impregnability of container.For example, pedestal 21 can have the cross-sectional plane that is limited by circular arc, and it has enough extensions to guarantee firmly being seated in and keeping of circumferential section that lid is relative.

As shown in Figure 8, when annular upper wall 20 form in the mode of punching sheet metal and by the double-deck sidewall 11 that joins tubular body 10 on the time, the ring form of upper wall obtains by stamping out the middle waste material R that is the discoid disk-form, and this centre waste material is dropped as waste material usually.

According to the present invention, lid 30 comprises base portion part 31, and this base portion part edge periphery combination is by the molded retaining part that forms 32 of plastic material, to be fallen to sitting and to remain on the pedestal 21.

Lid 30 base portion part 31 comprises with retaining part 32 with the single-piece form by the molded circumferential annular element 33 that forms of plastic material; Be sheet metal sheet form and have the center part 34 no matter whether hermetically () be attached to the outer peripheral edge 34a of circumferential annular element 33.More specifically, Fig. 1,1A, 2 and 2A shown in embodiment in, the outer peripheral edge 34a of center part 34 is inserted into and remains on the inside of the circumferential annular element 33 that is made of plastic material.In the embodiment of Fig. 1 and 2, the outer peripheral edge 34a of center part 34 must remain on the inside of the circumferential annular element 33 that is made of plastic material hermetically, and this is because described center part 34 as the part of the closure of lid, promptly is used as packing element.In the embodiment shown in Figure 1A and the 2A, circumferential annular element 33 inwardly and with the single-piece form in conjunction with the blocked center plate 33d that is located on the center part 34.In this case, although be better, the maintenance of the outer peripheral edge 34a of center part 34 in the plastic material of circumferential annular element 33 is not to carry out necessary sealing.

As shown in Figure 8, when annular upper wall 20 is attached to container by upper part of double junction surface Rs, the center part 34 of the base portion part 31 of lid by punching press annular upper wall 20 formed in the middle of self waste material R form.As is known, middle waste material R produced by punching press annular upper wall 20 be engaged to the sidewall 11 of tubular body 10 at annular upper wall 20 bilayers before.

Fig. 1,1A, 2 and 2A shown in the structure of embodiment in, the circumferential annular element 33 that constitutes by plastic material of base portion part 31 preferably with the single-piece form in conjunction with inner peripheral wall part 33a, this inner peripheral wall part 33a protrudes upward with arrangement cylindric or frusto-conical basically and has a upper limb 33b, the plastic material of this upper limb 33b around and keep the outer peripheral edge 34a of the center part 34 that constitutes by the sheet metal.Circumferential annular element 33 also is bonded to the lower area of retaining part 32 with the single-piece form to the outside, shown in structure in, retaining part 32 presents the form of circular cylindrical wall 32a basically, radially separate with the inner peripheral wall part 33a of the circumferential annular element 33 of base portion part 31, and along circumference in conjunction with falling to being sitting in outer support 35 on the pedestal 21, so that axially remain in the lid 30 of closure state.It should be understood that circumferential annular element 33 can come from inner peripheral wall part 33a, admit and remain on the inside that it constitutes plastic material with outer peripheral edge 34a with center part 34.In this case, circumferential annular element 33 and center part 34 common co-planar arrangement.But this co-planar configuration does not have following advantage: enough structural strengths, the increase of container interior volume and cover better piling up in the storage box of automatic capping machine.

Still according to shown in structure, the retaining part 32 of lid 30, its circular cylindrical wall 32a basically more specifically, preferably with the single-piece form in conjunction with radially outwardly directed annular wall 36, so that when lid 30 covers, be positioned at above the annular upper wall 20 of tubular body 10.

Annular wall 36 has outward flange 36a, this outward flange extends above the Rs of upper part of double junction surface, perhaps extending above the upper limb at the sidewall 11 of tubular body 10 under the situation that is not provided with the upper part of double junction surface, described outward flange 36a grasps handle 37 in conjunction with what stretch out downwards, to remain close to the sidewall 11 of tubular body 10 when lid 30 falls to being sitting on the pedestal 21.

As illustrated in Figures 5 and 6, for fear of the cross travel between the container 10 of two vertical stackings, annular wall 36 circumference fin extension 36b that can form continuously in conjunction with at least one or that segmentation forms, this circumference fin extension 36b protrudes upward from annular wall 36, radially spaced apart backward or not spaced apart backward with respect to the outward flange 36a of described annular wall 36, so that inwardly or outwards assemble from double-deck junction surface, the lower end that falls to being sitting in another container 10 on the previous container with stack manner, loose and telescopicly as piling up guide part.

At Fig. 1,1A, 2 and 2A shown in embodiment in, for the center part 34 that guarantees to be made of the sheet metal firmly and hermetically is attached to the circumferential annular element 33 that is made of plastic material, the sheet metal sheet of center part 34 is turned up the soil a little at interval along its outer peripheral edge 34a and with its outer peripheral edge 34a and is provided with a plurality of isolated through hole 34b, these through holes 34b can be formed on from the distortion through hole 34c of the outwardly directed metal sheet in the plane of sheet metal sheet, when center part 34 was bonded to circumferential annular element 33, described through hole 34b was filled with the plastic material of circumferential annular element 33.This combination can be have for example been placed earlier in the mould of center part 34 by portion within it and has been realized by plastic material injection molding circumferential annular element 33 and retaining part 32 with the single-piece form.The outer peripheral edge 34a of center part 34 also can for example be reclinate curled portion form, so that even bigger the mechanical retention that increases between sheet metal and the plastic material.For easy operating and also structurally strengthen center part 34, this center part also can be provided with the central recess 34d that is the spherical cap form of stretching out downwards.

Shown in structure in, the upper limb 33b connecting inner annular lip 33c of the inner peripheral wall part 33a of circumferential annular element 33, the outer periphery edge 34a of center part 34 remains on the inside of inner annular flange 33c.But, can use different structural arrangement to be used to obtain this fixing, and if necessary, the sheet metal of center part 34 can be attached to the single-piece plastic material that is formed by retaining part and circumferential annular element 33 hermetically.

Figure 1A and 2A show and cover a kind of constructional variant of 30.In this structure, circumferential annular element 33 is configured such that the upper limb 33b of inner peripheral wall part 33a or its inner radial part extend on the gamut of center part 34 with the single-piece form, thereby on center part 34, form center plate 33d, so that print the information relevant with the identification of wanting packaged products.In this embodiment, the solidness of the fixed area between metal center element 34 and the circumferential annular element 33 does not need the same high with the required solidness of the embodiment of Fig. 1 and 2.

In the constructional variant shown in Fig. 5,6 and 7, circumferential annular element 33 inwardly and with the single-piece form in conjunction with the blocked center plate 33d that also constitutes by plastic material, consider this point, in this structure, the outer peripheral edge 34a of center part 34 assembles and is locked in the maintaining part 38 that is arranged in the circumferential annular element 33, so that axial maintenance falls to being sitting in the center part 34 below the described center plate 33d, in these embodiments, described center plate 33d is along the thickness that has substantial constant with respect to the inside whole zone that forms of inner peripheral wall part 33a.

In a particular manner, as what described among formerly the embodiment, when circumferential annular element 33 preferably is provided with the inner peripheral wall part 33a of upper limb 33b with the combination of single-piece form, described upper limb 33b inwardly with the single-piece form in conjunction with center plate 33d, maintaining part 38 inwardly is provided with respect to the inner peripheral wall part 33a of circumferential annular element 33.

As shown in Figure 5, maintaining part 38 can by a plurality of radially salient 38a that are bonded to inner peripheral wall part 33a with the single-piece form or single circumference radially salient 38a form, and in the time of below center part 34 is installed in center plate 33d, the outer peripheral edge 34a of center part 34 is assemblied in radially on the salient 38a.

As shown in Figure 6, maintaining part 38 also can be formed with the screw thread 38b that the single-piece form is bonded to inner peripheral wall part 33a by at least one, the outer peripheral edge 34a of center part 34 is assemblied among the screw thread 38b, covers to allow center part 34 axially to remain to, and seating is on center plate 33d.

In the embodiment shown in Fig. 5 and 6, the upper limb 33b of inner peripheral wall part 33a is directly in conjunction with center plate 33d, be not provided with Fig. 1,1A, 2 and 2A shown in the interior annular lip 33c of embodiment.In the structure of Fig. 5 and 6, the circumference that is a form or is a plurality of angled isolated element forms that extend radially radially salient 38a and center plate 33d is spaced apart a little, so that form the gap of corresponding circumferential extension portion of the outer peripheral edge 34a of assembly center element 34 securely betwixt, allow center part 34 safety and easily attached and fall to being sitting in cover below 30 the center plate 33d after the plastic material that injects lid, thus permission simplification mould.

Though some embodiments of the present invention only have been described at this, it should be understood that under the situation that does not depart from the structuring concept that this specification sheets appended claims limits, can the form and the physical layout of the different parts of lid be changed.

Claims

1. compound lid that is used for container, this container comprises the tubular body (10) of carrying by the metal annular upper wall of sheet (20), wherein form by the pedestal (21) that is used for admittance and maintenance lid (30) around the opening that forms (A), this lid comprises base portion part (31), this base portion part (31) when lid (30) is closed along periphery in conjunction with falling to sitting and remaining on retaining part (32) in the pedestal (21), described lid (30) is characterised in that, base portion part (31) comprising: with retaining part (32) with the single-piece form by the molded circumferential annular element (33) that forms of plastic material; With the center part (34) that is sheet metal sheet form and has the outer peripheral edge (34a) that is attached to circumferential annular element (33).

2. lid as claimed in claim 1, wherein the annular upper wall of container (20) forms in the mode of punching sheet metal, and waste material (R) in the middle of producing, described lid (30) are characterised in that the center part (34) of base portion part (31) is formed by waste material (R) in the middle of described.

3. lid as claimed in claim 1 or 2 is characterized in that, the outer peripheral edge (34a) of center part (34) is inserted into and remains on the inside of the plastic material of circumferential annular element (33).

4. lid as claimed in claim 3, it is characterized in that, circumferential annular element (33) preferred and with the single-piece form in conjunction with the inner peripheral wall that the protrudes upward part (33a) of arranging with cylindric or frusto-conical basically, and this inner peripheral wall part (33a) has upper limb (33b), the plastic material of described upper limb (33b) around with the outer peripheral edge (34a) that keeps center part (34).

5. lid as claimed in claim 4, it is characterized in that, the upper limb (33b) of the inner peripheral wall part (33a) of circumferential annular element (33) is in conjunction with interior annular lip (33c), and the outer peripheral edge (34a) of center part (34) remains on the inside of described interior annular lip (33c).

6. as claim 3 or 5 described lids, it is characterized in that, the sheet metal sheet of center part (34) is turned up the soil a little at interval along its outer peripheral edge (34a) and with its outer peripheral edge (34a) and is provided with a plurality of isolated through holes (34b), so that center part (34) is being remained to the plastic material that is filled with circumferential annular element (33) when circumferential annular element (33) is gone up.

7. lid as claimed in claim 6 is characterized in that, through hole (34b) is formed on from the distortion through hole (34c) of the sheet metal sheet of the outwardly directed center part in plane (34) of center part (34).

8. as claim 3 or 5 described lids, it is characterized in that the outer peripheral edge (34a) of center part (34) is crooked curled portion form.

9. lid as claimed in claim 3 is characterized in that, the outer peripheral edge (34a) of center part (34) keeps being provided hermetically at the in-to-in of the plastic material of circumferential annular element (33).

10. as claim 3 or 9 described lids, it is characterized in that, circumferential annular element (33) inwardly and with the single-piece form in conjunction with the blocked center plate (33d) that is located on the center part (34).

11. lid as claimed in claim 1 or 2, it is characterized in that, circumferential annular element (33) inwardly and with the single-piece form in conjunction with blocked center plate (33d), center part (34) makes its described outer peripheral edge (34a) assemble and be locked in the maintaining part (38) that is arranged in the circumferential annular element (33), so that axially keep falling to being sitting in the following center part (34) of described center plate (33d).

12. lid as claimed in claim 11, it is characterized in that, circumferential annular element (33) preferred and with the single-piece form in conjunction with inner peripheral wall part (33a), this inner peripheral wall part (33a) is arranged with cylindric or frusto-conical basically and is protruded upward, and this circumferential annular element (33) inwardly has and with the upper limb (33b) of single-piece form in conjunction with center plate (33d), maintaining part (38) inwardly is provided with respect to the inner peripheral wall part (33a) of circumferential annular element (33).

13. lid as claimed in claim 12, it is characterized in that, maintaining part (38) is formed with the radially salient (38a) that the single-piece form is bonded to inner peripheral wall part (33a) by at least one, and in the time of below center part (34) is installed in center plate (33d), the outer peripheral edge (34a) of center part (34) is assemblied in this radially on the salient (38a).

14. lid as claimed in claim 12, it is characterized in that, maintaining part (38) is formed with the screw thread (38b) that the single-piece form is bonded to inner peripheral wall part (33a) by at least one, and in the time of below center part (34) is installed in center plate (33d), the outer peripheral edge (34a) of center part (34) is assemblied on this screw thread (38b).

15. as claim 3 or 11 described lids, it is characterized in that, circumferential annular element (33) outwards and be bonded to the lower area of retaining part (32) with the single-piece form, this retaining part (32) presents the form of circular cylindrical wall (32a) basically, when closing lid (30) along circumference in conjunction with outer support (35) so that be sitting on the pedestal (21).

16. lid as claimed in claim 15, it is characterized in that, the retaining part (32) of lid (30) preferred and with the single-piece form in conjunction with radially outwardly directed annular wall (36), so that when lid (30) is closed, be positioned at annular upper wall (20) top of tubular body (10).

17. lid as claimed in claim 16, it is characterized in that, annular wall (36) has wherein the outward flange (36a) in conjunction with the extracting handle (37) that stretches out downwards, and described extracting handle (37) is used for falling to being sitting in the sidewall (11) that remains close to tubular body (10) when pedestal (21) is gone up at Jiang Gai (30).

18. lid as claimed in claim 16 is characterized in that, annular wall (36) is in conjunction with at least one circumference fin extension (36b) that protrudes upward, so that as piling up guide part.