CN106488876A - Aeration type beverage can and can end - Google Patents
Aeration type beverage can and can end Download PDFInfo
- Publication number
- CN106488876A CN106488876A CN201580024567.5A CN201580024567A CN106488876A CN 106488876 A CN106488876 A CN 106488876A CN 201580024567 A CN201580024567 A CN 201580024567A CN 106488876 A CN106488876 A CN 106488876A
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- CN
- China
- Prior art keywords
- blow vent
- button
- indentation
- beverage
- foam
- Prior art date
- Legal status (The legal status 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 status listed.)
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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
- B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
- B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
- B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
- B65D17/4012—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab
-
- 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
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/0001—Details
- B65D2517/0091—Means for venting upon initial opening
- B65D2517/0094—Means for venting upon initial opening formed as a separate opening
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers Opened By Tearing Frangible Portions (AREA)
- Closures For Containers (AREA)
- Devices For Dispensing Beverages (AREA)
Abstract
A kind of beverage can end has includes button（50）Blow vent（40）.The blow vent passes through draw ring（70）Downward power actuating, the downward power is transferred to blow vent indentation by button（42）.Center panel（18）Including foam.
Description
Cross-Reference to Related Applications
This application claims the rights and interests of the U.S. patent application serial number 61/950,397 that submits on March 10th, 2014, which is open interior
Hold here incorporated herein by reference, as which integrally herein illustrates.
Background technology
The present invention relates to container, and more specifically, it is related to have for discharging internal pressure and/or incline for strengthening
The container for drink of blow vent.
The end of Modern drinks tank include the rivet being formed in center panel, be couple to by rivet the draw ring of end with
And the indentation for rupturing to form pouring opening.Even if when producing in a large number and be rated for the pressure comprising 85psi or bigger,
These ends are needed to have low-down fault rate.Several aeration type beverage can end has been disclosed.Aeration type beverage can end
Portion can be used on the container that need not be pressurizeed, for example, be used for the container of noncarbonated beverage products.
U.S. Patent number 6,079,583 and 6,354,453 disclose a kind of do not need the second opening with ventilation capacity
End.U.S. Patent Publication No. 2001/0266281 discloses a kind of end with the blow vent indentation separated with main indentation
Portion.The blow vent indentation defines the blow vent tear panel of projection.Convex by being positioned at the concave regions of draw ring first
The blow vent for rising tears on panel and pushes down on draw ring so that the rupture of blow vent indentation, ruptures blow vent indentation.
There are the reliability of the vent openings for improving commercial quantities and functional needs.
Content of the invention
Can end has the vent characteristics for providing improved function.This content of the invention provides the general of the feature to end
State, and it should be appreciated that some features can be worked together with the performance for strengthening end and its blow vent.Therefore, this
Special characteristic in the bright combination for being not limited to be provided below.Additionally, unless be expressly recited in the claims, otherwise need not spy
Fixed feature or size.
According to the first of feature the combination, beverage can end is in leading to that blow vent indentation and blow vent indentation limit or include
With specific structure and size relationship between button on gas port panel.The end includes：Can by crimping engage come
It is connected to the peripheral curl of tank body；From the radially inner wall construction of the curled portion；Center panel；Main indentation, which defines
Main hinge and main tear panel, the main tear panel can be opened when the indentation ruptures, to form pouring opening；Pass through
Rivet is couple to the draw ring of the center panel, and the draw ring has nose, main body and heel, and the nose can contact described
A part for main tear panel, for making the main indentation rupture, the heel is relative with the nose to be formed, the heel quilt
It is configured to grasp for user；Blow vent indentation, which defines：Blow vent tears panel；Positioned at blow vent tear panel on to
The button of upper protrusion, the button include side wall, and the side wall is produced（yield to）Merge with a part for center panel
Radius；And blow vent hinge, which is located approximately between the opposed end of blow vent indentation；Blow vent indentation is had with button side walls
Have blow vent indentation measure near at the point of button side walls apart from D3 or D13, described be not more than apart from D3 or D13
0.020 inch, and be preferably between-.010 inch and 0.020 inch so that from tab heel be transferred to button to
Under power make indentation rupture.By lift heel come actuate draw ring can make main indentation rupture, and pass through on the draw ring
Pressure come actuate the draw ring can make blow vent indentation rupture.Indentation rupture edge is oriented such that to blow vent preferably hinge
Both direction propagates to blow vent hinge around blow vent tear panel.
In a preferred embodiment, apart from D3 between -0.010 inch（That is, negative 0.010 inch）And between 0.020 inch.
It is highly preferred that dimension D 3 is between -0.006 inch and 0.015 inch, more preferably between -0.003 inch and 0.013 English
Between very little, and it is most preferably between -0.001 inch or 0.000 inch and 0.006 inch.By with D3 identical line
Measurement, is preferably between-.005 inch and .040 inch from the distance of inside edge of the center line of button to indentation 42（That is,
R2 adds the scope of D3）Plus between half D1.Therefore, the button diameter for 0.130 inch, the center line from button is to indentation 42
Inside edge size between 0.060 inch and 0.105 inch.
Preferably, the radius R2 between button and center panel or blow vent indentation panel between about 0.005 inch and
Between about 0.020 inch, preferably between about 0.0075 inch and 0.0115 inch, and more preferably about
0.0095 inch.
Button preferably has the diameter between about 0.10 inch and about 0.18 inch, more preferably between big
About 0.115 inch and about between 0.15, and preferably about 0.130 inch.Preferably, blow vent indentation is not with uniform
Distance is separated with button side walls.In this respect, blow vent can be configured so that blow vent indentation in the point relative with hinge
Place is near button side walls.Alternatively, blow vent indentation is not relative with hinge with the hithermost position of button side walls.Blow vent
Hinge can be relative with rivet.Alternatively, blow vent hinge is in button on the side of rivet.
The draw ring has the contact element for being configured to contact button.The contact element of the draw ring can be downwardly projected
Foam（bead）, the foam be elongated, and be sized such that draw ring foam can enter into by pressure
In the aperture of the blow vent that blow vent tears panel and formed.Draw ring foam can be in the center of approximately equal to rivet and blow vent
Bend at the radius of the distance between button, to promote the contact between draw ring foam and button, and make it possible to realize
The good contact of the angular position of the wide scope of draw ring.
The relative position and size of some of the structure and end of draw ring foam and blow vent button can be by structure
Cause so that, during the process of blow vent is opened, the downward pressure that is applied in response to user on the draw ring, blow vent
Indentation is ruptured near at the point of button side walls in blow vent indentation first.In this respect, the draw ring is constructed such that to draw
Ring foam against at the following location of the initial contact on button of button, i.e.,：Described be located proximate to blow vent indentation near
The position of button side walls.Additionally, draw ring and button can be configured so that after the initial contact, as blow vent tears panel
Around hinge is pivoted, and draw ring foam is moved rearwards by from initial contact point on button against the subsequent touch of button.
The button of blow vent and indentation preferably have the layout structure for promoting reliability to open.The blow vent is preferably limited
Fixed：Along blow vent center line CL from button center size X to the lateral end of the blow vent indentation, from the button
The heart to size Y of the blow vent hinge, and from the button center to size Z of the nearside point of the blow vent indentation,
The nearside point is the point on the indentation near button.Size X more than Z and is less than 5Z, and size Y is more than 0.5Z and little
In 3Z.Preferably, size X more than 1.2Z and is less than 3Z, and size Y is more than 0.75Z and less than 2Z, and it is highly preferred that chi
Very little Y is more than 0.9Z and less than 1.5Z.For conventional beverage can end, Z is preferably dimensioned to be between 0.0625 inch and 0.090
Between inch, and more preferably between 0.065 inch and 0.085 inch, and more preferably between 0.068 inch and
Between 0.078 inch.In one embodiment（For example, as shown in Figure 2）, size Z is 0.083 inch.The size of X and Y and
Scope can be calculated by preferred Z size.
In another embodiment, for indentation 142 be preferably dimensioned to be about 0.143 inch X, about 0.101 inch
Y and about 0.083 inch of Z.Size Z is preferably between 0.2X and 1X, and be most preferably between 0.33X and
Between 0.83X.Size Z is preferably between 0.5Y and 1.33Y, and is most preferably between 0.67Y and 1.1Y.
Size Z can also be defined as the ratio of button diameter D1.In this respect, size Z can range approximately from 0.5D1 and
Between 0.81D1, preferably about between 0.55D1 and 0.7D1, and it is of about 0.6D1 in a preferred embodiment.Due to
Y includes the size less than D1, and therefore hinge can be intersected with press-button structure so that when blow vent panel is actuated, the hinge is not
Formed along straight line, but formed around button.Blow vent indentation is may be formed at in being partially recessed of any of above structure.
According to the second of end features the combination, the blow vent indentation at least partially defining blow vent tear panel can position
In be partially recessed or sunk part in.In this respect, beverage can end can include：Can engage to be connected to tank by crimping
The peripheral curl of body；From the radially inner wall construction of the curled portion；Center panel；Main indentation, which defines main hinge and
Main tear panel, the main tear panel can be opened when the indentation ruptures, to form pouring opening；Coupled by rivet
To the draw ring of the center panel, the draw ring has nose, main body and heel, and the nose can contact the main tear face
A part for plate, for making the main indentation rupture, the heel is relative with the nose to be formed, and the heel is configured to supply
User grasps, and blow vent.Blow vent indentation defines blow vent tear panel, and exists positioned at blow vent tear panel
On the button for projecting upwards.Blow vent hinge is located approximately between the opposed end of blow vent indentation；And blow vent is recessed
Be formed in center panel, and blow vent tear panel be located at blow vent panel recessed in.In the draw ring in blow vent panel
On button pivot after, by lift heel come actuate draw ring can make main indentation rupture, and pass through on the draw ring press
Getting off to actuate the draw ring ruptures can blow vent indentation.Inventor believes that the blow vent of local is recessed and can offset blow vent
The impact of the lax metal formed by indentation and Resisting fractre indentation.The recessed depth of blow vent and diameter can be according to thick according to aluminium
Degree, blow vent size and the variable of indentation configuration and the industry practice of other specification are selecting.
Preferably, center panel also includes what as known in the art and with " Stolle formula " center panel was associated
The master of general type is recessed, it is not required that such recessed.If it is present main indentation, rivet and blow vent panel are recessed
In can each be formed in master recessed in.Will not be by unintentionally downward on foam in order to blow vent button to be positioned at
Not inadvertently at open position, blow vent button can be positioned in center panel, be in its manufacture state in draw ring power
（as-manufactured state）At position under being not at draw ring or its vertical projection when lower.Preferably, the manufacture
State is placed on draw ring for opening the position of main pouring opening by the rupture of main indentation.Additionally, the position of blow vent
It is preferably high in center panel（That is, when tank is oriented to for toppling over or drinking or when center panel is nearly vertical
When）, this is because blow vent panel is recessed is preferably the tangent and close draw ring of the periphery recessed with master.In this respect, will be logical
The position of gas port is chosen at its relatively high point in center panel enhance the ventilatory function during toppling over, and
The position of blow vent is selected in outside the projection of draw ring and is even separated with draw ring makes unintentional draw ring rupture occur.This
Outward, blow vent is also configured such that master is recessed asymmetric with regard to its center line.
Another combination of the feature of blow vent promotes in the blow vent tear periphery of panel and its static remaining part of end
/ big ventilation zone of formation, particularly when the function that blow vent tears panel angular deflection is considered as.In this respect, beverage
Can end includes：The peripheral curl that can be engaged to be connected to tank body by crimping；From the radially inner wall of the curled portion
Structure；Center panel；Main indentation, which defines main hinge and main tear panel, and the main tear panel is ruptured in the indentation
When can open, to form pouring opening；Be couple to the draw ring of the center panel by rivet, the draw ring have nose,
Main body and heel, the nose can contact a part for the main tear panel, for making the main indentation rupture, described with
Portion is relative with the nose to be formed, and the heel is configured to grasp for user；And elongated blow vent indentation.
The elongated blow vent indentation is limited or tears panel comprising blow vent.The button for projecting upwards is located at blow vent
On tear panel, the button includes side wall, and the side wall produces the radius merged with a part for center panel.Blow vent cuts with scissors
Chain is located approximately between the opposed end of blow vent indentation.During deflection after blow vent tear panel ruptures, elongated logical
Gas port indentation provides enhanced ventilation capacity.
Preferably, the draw ring includes the elongated foam in the draw ring on the downside of heel.The draw ring and
The blow vent indentation is constructed such that, in draw ring foam against after the actuating of blow vent button, draw ring foam is constructed
Become to enter in the opening produced when blow vent indentation ruptures, to strengthen the deflection that blow vent tears panel.Blow vent hinge
May be oriented so that its major axis parallel to elongated blow vent indentation, or the length perpendicular to elongated blow vent indentation
Axle.
According to the 4th of end features the combination, the configuration of blow vent button, blow vent indentation and blow vent hinge is chosen
Become to provide with commercial quantities and reliably open and enough intensity.Therefore, beverage can end includes：Can by crimping engage come
It is connected to the peripheral curl of tank body；From the radially inner wall construction of the curled portion；Center panel；Main indentation, which defines
Main hinge and main tear panel, the main tear panel can be opened when the indentation ruptures, to form pouring opening；Pass through
Rivet is couple to the draw ring of the center panel, and the draw ring has nose, main body and heel, and the nose can contact described
A part for main tear panel, for making the main indentation rupture, the heel is relative with the nose to be formed, the heel quilt
It is configured to grasp for user；And blow vent.
The blow vent has the blow vent indentation for limiting or tearing panel comprising blow vent.The button for projecting upwards is located at
On blow vent tear panel, the button includes side wall, and the side wall produces the radius merged with a part for center panel.Logical
Gas port hinge is located approximately between the opposed end of blow vent indentation.The blow vent tear panel is defined：Along blow vent
Heart line CL is from button center to size X of the lateral end of the blow vent indentation；From the button center to the blow vent
Size Y of hinge；And from the button center to size Z of the nearside point of the blow vent indentation, the nearside point is institute
State the point near button on indentation.
With regard to preferred relation, size X more than Z and is less than 5Z, and size Y is more than 0.5Z and less than 3Z.Preferably, chi
Very little X more than 1.2Z and is less than 3Z, and size Y more than 0.75Z and is less than 2Z, and it is highly preferred that size Y is more than 0.9Z and little
In 1.5Z.For conventional beverage can end, Z is preferably dimensioned to be between 0.0625 inch and 0.090 inch, and more
Preferably between 0.065 inch and 0.085 inch, and more preferably between 0.068 inch and 0.078 inch.X
Can be calculated by preferred Z size with the size of Y and scope.
In another embodiment, for indentation 142 be preferably dimensioned to be about 0.143 inch X, about 0.101 inch
Y and about 0.083 inch of Z.Size Z is preferably between 0.2X and 1X, and be most preferably between 0.33X and
Between 0.83X.Size Z is preferably between 0.5Y and 1.33Y, and is most preferably between 0.67Y and 1.1Y.
Size Z can also be defined as the ratio of button diameter D1.In this respect, size Z can range approximately from 0.5D1 and
Between 0.81D1, preferably about between 0.55D1 and 0.7D1, and it is of about 0.6D1 in a preferred embodiment.Due to
Y includes the size less than D1, and therefore hinge can be intersected with press-button structure so that when blow vent panel is actuated, the hinge is not
Formed along straight line, but formed around button.Blow vent indentation is may be formed at in being partially recessed of any of above structure.
The blow vent indentation is preferably had with button side walls to be surveyed near at the point of button side walls in blow vent indentation
Amount apart from D3 or D13, described apart from D3 or D13 between -0.010 inch（That is, negative 0.010 inch）With 0.020 inch it
Between so that the downward power for being transferred to button from tab heel ruptures indentation.Preferably, apart from D3 or D13 between -0.006
Inch and 0.015 inch between, more preferably between -0.003 inch and 0.013 inch, and be most preferably between -
Between 0.001 inch or 0.000 inch and 0.006 inch.
The draw ring has the contact element for being configured to contact button, and it is downward projection of bubble that the contact element is preferably
Body, the foam be elongated, and be sized such that draw ring foam can enter into by depress blow vent tear
Panel and in the aperture of blow vent that formed.In response to the downward pressure being applied on the draw ring, blow vent indentation is first
Rupture near at the point of button side walls in blow vent indentation.
The draw ring be constructed such that by the foam of draw ring against the button initial contact on the button
Following location at, i.e.,：Described the blow vent indentation is located proximate near the position of the side wall of button.Additionally, draw ring and
Button can be configured so that after the initial contact, as blow vent tear panel around hinge is pivoted, draw ring foam against
The subsequent touch of button is moved rearwards by from initial contact point on button.Preferably, center panel include to be formed in master recessed in
Blow vent recessed and positioned at blow vent panel in recessed blow vent tear panel.
According to the 5th of end features the combination, beverage tab is configurable to strengthen ventilation.In this respect, with blow vent
Open, the contact between draw ring and vent constructions occurs at the point being moved rearwards by towards hinge or line, to promote blow vent
The deflection of panel.The beverage can end for constructing by this way can include：Can engage to be connected to tank body by crimping
Peripheral curl；From the radially inner wall construction of the curled portion；Center panel；Main indentation, which defines main hinge and master tears
Broken face plate, the main tear panel can be opened when the indentation ruptures, to form pouring opening；And coupled by rivet
Draw ring to center panel.Draw ring has：Nose, its can contact a part for main tear panel, for rupturing indentation；Main
Body；The heel of formation relative with nose, the heel are configured to grasp for user；And in draw ring on the downside of heel
The foam for extending downwardly.
Fifth end also includes blow vent.Blow vent indentation is limited or tears panel comprising blow vent.Project upwards by
Button is located on blow vent tear panel, and the button includes side wall, and the side wall generation is merged with a part for center panel
Radius.Blow vent hinge is located approximately between the opposed end of blow vent indentation.The draw ring is constructed such that draw ring foam
Against at the position of the initial contact on the button of referred to as initial contact point of button.After the initial contact, with blow vent
Tear panel around hinge is pivoted, and draw ring foam is moved rearwards by from initial contact point on button against the subsequent touch of button（That is,
Contact point is moved with respect to rivet and on button）.Preferably, blow vent hinge is relative with rivet.
Preferably, the button and the draw ring are constructed such that blow vent indentation is had in blow vent with button side walls
Indentation measure near at the point of button side walls apart from D3 or D13, described apart from D3 or D13 between -0.010 inch（That is, bear
0.010 inch）And between 0.020 inch so that the downward power for being transferred to button from tab heel ruptures indentation.It is preferred that
Ground, apart from D3 or D13 between -0.006 inch and 0.015 inch, more preferably between -0.003 inch and 0.013 inch
Between, and be most preferably between -0.001 inch or 0.000 inch and 0.006 inch.And preferably, button has
About 0.130 inch of diameter.The foam of draw ring can between the center for being approximately equal to rivet and blow vent button distance
Bend at radius.
Preferably, blow vent indentation is relative with blow vent hinge with the hithermost position of button side walls.Alternatively, ventilate
Mouth indentation is not relative with blow vent hinge with the hithermost position of button side walls.The draw ring is configured so to draw ring foam and supports
At the following location of the initial contact on button of button, i.e.,：The blow vent indentation that is located proximate to is near button side walls
Position.
The draw ring has the contact element for being configured to contact button, and it is downward projection of bubble that the contact element is preferably
Body, the foam be elongated, and be sized such that draw ring foam can enter into by depress blow vent tear
Panel and in the aperture of blow vent that formed.In response to the downward pressure being applied on the draw ring, blow vent indentation is preferred
Ground is ruptured near at the point of button side walls in blow vent indentation first.The foam of the draw ring can be in rivet be approximately equal to
Bend at the radius of the distance between the heart and blow vent button.
Additionally, the configuration of blow vent can limit X, Y and Z size and relation as above.And blow vent is permissible
Be formed in blow vent recessed in, the blow vent be concavely formed in center panel and master recessed in.
Other embodiment can adopt raised and/or recessed foam.In this respect, beverage can end can include：Energy
Enough peripheral curl engaged to be connected to tank body by crimping；From the radially inner wall construction of the curled portion；Center panel；
Main indentation, which defines main hinge and main tear panel, and the main tear panel can be opened when the indentation ruptures, with shape
Become pouring opening；The draw ring of the center panel is couple to by rivet, and the draw ring has nose, main body and heel, described
Nose can contact a part for the main tear panel, for making the main indentation rupture, the heel and the nose phase
To being formed, the heel is configured to grasp for user；Raised main foam, which has in the heel lateral of the draw ring
First end, and the second end is extended to around the main tear panel；And blow vent.The blow vent includes：Blow vent
Indentation, which defines blow vent tear panel and blow vent hinge, and the blow vent hinge is located approximately at the blow vent indentation
Opposed end between；And the button for projecting upwards on blow vent tear panel.Raised or recessed ventilation
Mouth foam is positioned around blow vent indentation；Wherein, by lift the heel come actuate the draw ring can make the main indentation break
Split, and the draw ring is actuated by pressure on the draw ring ruptures can the blow vent indentation.
Main foam and blow vent foam can be continuous, or blow vent foam can be separated with main foam.Blow vent steeps
Body can be raised foam, or blow vent foam can be recessed foam so that raised main foam and recessed ventilation
Mouth foam is connected in the foam of projection and produces at the transition part of recessed foam.Preferably, blow vent foam and center panel
Periphery is tangent.Main foam has longitudinal axis, and main foam is asymmetrical with regard to the longitudinal axis of main foam.For foam
The blow vent indentation of end and button cover as the orientation for the blow vent indentation as described in concave panel embodiment and button and
All embodiments of configuration.
A kind of method that opens beverage can and be allowed to ventilate starts from the end described in the either segment in above-mentioned paragraph
Structure.Methods described includes：（i）Draw ring is actuated, to be pressed against main tear panel and main indentation is ruptured, is toppled over out so as to be formed
Mouthful；（ii）Pivot draw ring so that draw ring can contact blow vent button；And（iii）After pivoting step, on draw ring
Apply downward power, power is provided on button with the downside via draw ring at initial contact point, and subsequently, apply downward
Power, so that blow vent indentation ruptures and opens blow vent so that as blow vent tear panel is pivoted around blow vent hinge, lead to
Cross contact of the draw ring on button to be moved rearwards by from initial contact portion on button.Blow vent may be in step（i）Middle formation is inclined
Open before or after being open.
In addition to pressurized canister or non-pressurised tank, the receiving beverage can of soda and the combination of end is additionally provided.Create
The aeration type can end of property can use any can end as herein described.For each embodiment, and for being provided
Any combinations of feature, the present invention is comprising the corresponding method for actuating beverage can end.
Description of the drawings
Fig. 1 is the top view of the can end according to the first embodiment of the present invention；
Fig. 2 is the underside view of the can end of Fig. 1；
Fig. 3 is the perspective view of the can end of Fig. 1；
Fig. 4 is the top perspective of the can end of Fig. 1, it illustrates and actuates to open the draw ring of pouring opening；
Fig. 5 is the basiscopic perspective view of the can end of Fig. 1, it illustrates the vent openings actuated to its open position, and is clear
Chu Qijian removes main tear panel；
Fig. 6 is the combination of tank body and can end, it illustrates do not actuate in which in blow vent, the ventilation under non-through gaseity is opened
Draw ring on mouthful；
Fig. 7 is the enlarged diagram of a part for the button on blow vent；
Fig. 8 be for forming the instrument insert of the blow vent knurled portion of the end shown in Fig. 2（tooling insert）
Perspective view；
Fig. 9 is the amplification view of a part for the vent portion of the end shown in Fig. 2；
Figure 10 is the amplification view of the second embodiment of a part for the vent portion of end；
Figure 11 is the amplification view of the 3rd embodiment of a part for the vent portion of end；
Figure 12 is the amplification view of the fourth embodiment of a part for the vent portion of end；
Figure 13 A is the amplification view of a part for the draw ring of the can end according to first embodiment and blow vent, wherein, is drawing
Before the actuating downwards of ring, draw ring is rotated on blow vent；
Figure 13 B is the sectional view of the embodiment of Figure 13 A, it illustrates the blow vent indentation of the draw ring and rupture for deflecting down；
Figure 13 C is the sectional view of the embodiment of Figure 13 A, it illustrates draw ring in its complete actuation position and wide-open
Blow vent tears panel；
Figure 14 A is the top view of one embodiment of the can end with the center panel for including foam；And
Figure 14 B is the top view of another embodiment of the can end with the center panel for including foam.
Specific embodiment
With reference to Fig. 1 to Fig. 6 of diagram first embodiment, by aluminium alloy（Preferably 5000 series alloys）The beverage can of formation
With housing, the housing includes peripheral curl 12, wall construction 14, annular foam 16 and center panel 18 for end 10.Tank
End 10 is also included the blow vent 40 being formed in center panel and is attached to the draw ring 70 of housing by rivet.Fig. 1 to Fig. 5 shows
Go out seamless in which（unseamed）Can end 10 under state.Fig. 6 shows the can end and tank body for accommodating soda
Combination.
Curled portion 12 is configured to preferably be bonded to by conventional double foam（seamed to）Aluminium pot body 8
Flange.The combination of the tank body and can end coupled by double foam is shown in Fig. 6.Wall construction 14 extends from curled portion 12,
And preferably there is the type seen on conventional lightweight end.In this respect, wall construction 14 is to incline as shown in FIG.
, and also sweep, concave bottom can be included（kick）, kinking（kink）, double angles（double angle）And this area
In known similar structures.Immerse oneself in foam（Countersink bead）At 16 base portions for being located at wall construction 14.Center panel 18
Extend from foam 16 is immersed oneself in.The present invention also includes panel wall or the chamfering that the inwall with foam 16 and center panel 18 merge（Figure
Not shown in）.
Center panel 18 be flat, its include due to manufacturing tolerance cause from the change of theoretical planes and flat with perfection
Some inherent variabilities in face, and also include architectural feature, depression panel and foam etc. for example as herein described.Term " puts down " quilt
For covering seamless end and both the bendings under the normal pressurization situation because of receiving soda.Rivet 22 is formed in
In center panel 18, the center of center panel 18 is preferably formed in.Main indentation 26 is formed in center panel in obround shape
In 18, and main tear panel 28 is preferably limited, the main tear panel 28 forms pouring opening when indentation ruptures.Indentation
26 opposite end forms main hinge 30, and the period that actuates for tearing panel in draw ring 70 is pivoted around the main hinge 30.Main indentation 26
It is conventional to be preferably with tear panel 28.For example, tear panel can have the aspect ratio between 1.3 and 1.7.As accompanying drawing
Shown in, center panel 18 includes main depression panel 34, i.e. recessed in panel 18（recess）.The invention is not restricted to have
The end of main depression panel, except non-claimed is specially required.Conversely, the present invention covers the end without main depression panel,
The end can have the foam being formed in center panel, as known in the art.
In the first embodiment, blow vent 40 includes blow vent indentation 42, blow vent hinge 46, blow vent Resisting fractre indentation
48 and the button 50 that projects upwards.Preferably, blow vent 40 is located in the recessed or depression panel 62 of blow vent, the blow vent
Recessed or depression panel 62 is formed in main depression panel 34.Depression panel 62 with following diameter, i.e.,：The diameter is preferably
At least 0.5 inch, preferably less than 0.7 inch, and be of about 0.63 inch in the embodiment shown.Depression panel 62 can make
Region around blow vent 40 is hardening, to strengthen the property opened.The depth of blow vent depression panel 62 can final goal as follows
To select, i.e.,：Panel rigidity and minimum lax metal（minimum slack metal）, and blow vent indentation 42 is not applied
Excessive stress.In this respect, the size of blow vent panel can consider the disclosure according to the people for being familiar with end formation technology
When will be understood that parameter to select, so as to take following parameter into account, i.e.,：The size of blow vent indentation and configuration, button
Size and the relation of configuration and other recessed or foams, recessed depth etc..
Blow vent depression panel 62 is preferably positioned such that button 50 is not hereinafter retouched under draw ring 70 or not
Under the downward projection of foam that states, and draw ring is in configuration when which manufactures or transports or is in and is configured to actuate main indentation 26
Position.In this respect, button 50, the particularly center of button 50 or contact portion can be at the outside of the side of draw ring 70,
So that downward power on draw ring 70 not applying power on button 50, until user in order that draw ring contact surface and 50 pairs, button
Accurate purpose and pivot or rotate draw ring 70.Additionally, depression panel 62 is preferably distal from main indentation 26 and positions, and still it is formed in master
In concave panel 34（Although it is not required that depression panel is located in main concave panel）So that when tank tilts to dump position or
When tank level and when end is vertical, blow vent 40 can be located on end at highest feasible point or near.Therefore, and such as
Shown in Fig. 1, the edge of blow vent depression 62 or side wall can tangent with the main depression edge of panel 34 or side wall or partly with
Co-extensive.In the configuration, main concave panel 34 is asymmetrical around its longitudinal centre line, and this is different from conventional Stolle formula
（Stolle-style）Concave panel.The longitudinal axis of main concave panel 34 is defined through rivet, approximately through tear face
The center of plate and the line of the bottom centre by the edge of main concave panel.
Fig. 8 be for forming the instrument insert of the blow vent indentation 42 of blow vent 40.Fig. 9 be partially by Fig. 8
The zoomed-in view of the structure that instrument insert is formed.For convenience of explanation and dimensional accuracy and accuracy, provided to work together
Tool insert and the description of corresponding structure, and it is to be understood that the description to instrument is applied to by the instrument shape
The description of the vent constructions for becoming.As needed, apostrophe is indicated（′）The structure being used to indicate on instrument, with phase in end
Corresponding structure is distinguished.
As being best shown in Fig. 9, blow vent indentation 42 includes the longitudinal centre line CL parallel to hinge 46.Blow vent
Indentation 42 includes a pair relative end 45a.On each side, indentation 42 is merged into first from end 45a via transition part 45b
Sweep 45c and the second sweep 45d, they are met at preferably straight side 45e.Preferably, the transition of bending
The radius of part 45c and 45d is of about 0.083 inch.R1 in Fig. 9 denotes radius 45d.
Button 50 is formed in indentation 42.For convenience, and according to industrial practice, the chi of instrument is provided herein for
Very little, and it is to be understood that the size in the end for completing will be produced from tool sizes, with due to such as elastic after effect
（spring back）Or some changes that the manufacture deviation of tool wear etc causes.For permissible accuracy, the size quilt
It is applied to end construction and can measures on end.
If the button 50 schematically shown in Fig. 7 is via arc（radiused）Or the transition part 52 of bending is from median plane
The depression panel 62 of plate 18 rises.If blow vent indentation is formed in the main recess of center panel or is formed in center panel
Non- recess in, then curved transition portion 52 merges from main recess or non-recess.Curved transition portion 52 be merged into by
In button side wall 54, the button side walls 54 extend to produce button top 56.Curved transition portion 52 is in side wall 54 is merged into
Inner side point 53a and extension between center panel 18 or points outside 53b for more specifically merging with depression panel 62.It is preferred that
Ground, curved transition portion 52 is with following radius R2（Fig. 7）, i.e.,：The radius R2 between 0.005 inch and 0.020 inch,
More preferably between 0.0075 inch and 0.0115 inch, and most preferably about 0.0095 inch.
Inventor it has been found that in certain embodiments, selects the distance between indentation and button side walls 54 opening ventilation
Mouth can controlled and repeatably be opened aspect and be helpful to.Can be from points outside 53b of radius R2 to the inwall of indentation 42
To measure the distance, as by being best shown at apart from D3 in Fig. 7.Apart from D3 in blow vent indentation near button side walls
Point at measure, the point be referred to as nearside point 57, as explained below.Fig. 9 shows button 50, and illustrates near
The dimension D 3 of the point 53b measurement of the circumferential position indicated by side point 57.
Preferably, dimension D 3 is between -0.010 inch（That is, negative 0.010 inch）And between 0.020 inch.Negative scope
Mean blow vent indentation 42 inwall can be located in the curved transition portion 52 of button or button side walls or among, i.e. be located at
The inner side of points outside 53b（inboard side）On（That is, as being oriented in the right in Fig. 7）.Because the scope of D3 includes zero,
The inwall of blow vent indentation 42 can be at curved transition portion 52 and terminate or be incorporated on the point 53b in center panel 18.And institute
Size is stated comprising being located remotely from point 53b（That is, outside from button）Up to 0.020 inch of blow vent indentation.It is highly preferred that chi
Very little D3 between -0.006 inch and 0.015 inch, more preferably between -0.003 inch and 0.013 inch, and
Most preferably between -0.001 or 0.000 inch and 0.006 inch.By measuring with D3 identical line, from button
The distance of heart line to the inside edge of indentation 42 adds between half D1 between-.005 inch and .040 inch, and this represents radius R2
Plus dimension D 3 plus button radius.Therefore, the button diameter for 0.130 inch, from the inner side of the center line to indentation 42 of button
The size at edge is between 0.060 inch and 0.105 inch.
Button 50 preferably has the diameter between 0.100 inch and 0.180 inch, more preferably has between big
Diameter between about 0.115 inch and about 0.15 inch, and most preferably with about 0.130 inch of diameter.Button
50 diameter is represented as D1 on Fig. 7 and Fig. 9.For the ease of measurement, D1（With following D13）In point 53a on button 50
And measure at the point relative with 53a.Even if eliminate curved transition portion 52 in the embodiment shown from the measurement of D1, but general
In thought, curved transition portion 52 is considered a part for button 50.As shown in FIG., button 50 is circular in top view
, but the invention is not restricted to the button of circle.Button 50 is illustrated as in the accompanying drawings with straight side wall 54, and the present invention is contained
The side wall of lid bending and top and formation button side walls 54 and the bending of button top 56 and the combination of straight portion.Therefore,
Any position that the present invention covers in button side walls forms blow vent indentation.The use of term " button side walls " be intended to cover by
The whole surface of button.
Nearside point 57 be defined as on indentation 42 near button side walls 54, specifically near the outside half of button
The point of footpath point 53b.The validity of indentation 42 is transferred to strengthen power by button 50, in fig .9 in shown embodiment, closely
Side point 57 is located on the button side relative with blow vent hinge 46.Additionally, blow vent hinge 46 is preferably with respect to button 50
Relative with rivet 22, as shown in Figure 2.The present invention is also close to rivet 22 rather than, Yi Jiqi relative with it comprising blow vent hinge
His position.
Size X is the distance from the button center lateral end of CL to indentation 42 ' along the longitudinal centerline.Size Y be from by
The distance at button center to blow vent hinge 46.Size Z be from button center to the nearside point relative with hinge 46 of indentation 42（That is,
To nearside point 57）Distance.Alternatively, size Z can be defined as parallel with size Y and relative（As such as institute in fig .9
In the embodiment that shows）.For following concrete size, the diameter D1 of button 50 is 0.130 inch, but D1 and is directed to X, Y and Z chi
Very little size can be according to specific design Parameters variation.Inventor speculates that the various configurations of blow vent indentation will be realized reliably opening
Put characteristic.In this respect, it is preferable that size X is more than Z and less than 5Z.Preferably, size Y is more than 0.5Z and less than 3Z.More
Preferably, size X more than 1.2Z and is less than 3Z, and size Y more than 0.75Z and is less than 2Z, and it is highly preferred that size Y is big
In 0.9Z and less than 1.5Z.Z is preferably dimensioned to be between 0.0625 inch and 0.090 inch, and more preferably between
Between 0.065 inch and 0.085 inch, and more preferably between 0.068 inch and 0.078 inch.Shown in fig. 2
Embodiment in, in the case of each comfortable button as herein described 50, X is of about 0.150 inch, and Z is of about 0.83 English
Very little, and Y is of about 0.117 inch.Obviously, the present invention covers symmetrical and asymmetrical blow vent configuration.
The present invention includes the blow vent indentation with other sizes.For example, blow vent indentation and button 50 can be constructed
Become so that the size of X is of about 0.150 inch, the size of Y is of about 0.082 inch, and the size of Z is of about 0.067 inch, and
And the diameter D1 of button is of about 0.130 inch, the configuration is illustrated in Fig. 10.For another example, blow vent indentation and
Button 50 can be constructed such that the size of X is of about 0.183 inch, and the size of Y is of about 0.108 inch, and the size of Z is
About 0.083 inch, and the diameter D1 of button is of about 0.130 inch, and the configuration is illustrated in fig. 11.Reality in Figure 11
Apply in example, the width of blow vent indentation 42 is larger with respect to the width of depression panel 62 so that the one of Resisting fractre indentation 48
Part is removed.Also contemplate the blow vent indentation of the circle with button as described herein（In figure is not shown）, the circle
X dimension of the blow vent indentation of shape with about 0.083 inch, about 0.133 inch of Y size, about 0.083 inch of Z
The button size of size and about 0.130 inch.
Draw ring 70 is elongated remain-type draw ring, and which includes nose（nose）72nd, elongate body 74 and heel 76.Rivet island
（rivet island）78 extend under the major part of main body 74, and are flat against center panel.Preferably, main body
74 opposite side is parallel or approximately parallel.Rivet 22 extends through the hole in rivet island 78, and draw ring and housing are attached
Together.As routine, draw ring 70 include hinge 80, draw ring was pivoted around the hinge 80 in the conventional period that actuates, to be formed
Main opening.
Foam 82 is formed in draw ring main body 74 near heel 76, is such as directly illustrated in the diagram and in the other drawings
From the negative（in the negative）Illustrate.Foam 82 is extended downwardly with respect to peripheral part of main body 74, and is preferably
It is elongated.Foam 82 can be bending or straight in plan view.Preferably, foam 82 is set by size and is positioned to make
Proper when actuating blow vent tear panel 44, at least a portion of foam 82, and the gamut of preferably foam 82, can
Enter in the blow vent 40 that opens, as being best shown in Figure 13 C.The present invention does not enter comprising draw ring foam or draw ring structure
Enter the configuration of the center panel, draw ring and blow vent in the blow vent that opens.
Figure 12 illustrates the second embodiment of blow vent, and which is denoted as the ventilation of the end 110 for second embodiment
Mouth 140.In addition to blow vent, the housing of end 110, draw ring and the recessed end 10 preferably having for first embodiment
Identical structure.Blow vent 140 includes blow vent indentation 142, blow vent tear panel 144, blow vent hinge 146, ventilation
Mouth Resisting fractre indentation 148 and button 150.Preferably, blow vent 140 be located at recessed or depression panel 62 in, described recessed or
Depression panel 62 is formed in main depression panel 34, and the structure is described above.
Blow vent indentation 142 includes the longitudinal centre line CL perpendicular to hinge 146.Blow vent indentation 142 includes end
145a, which is in the distally of hinge 146.On each side, indentation 142 prolongs towards hinge 146 from end 145a via straight flange 145b
Stretch.For indentation 142 be preferably dimensioned to be about 0.143 inch X, Y and about 0.083 inch of about 0.101 inch
Z.Size Z is preferably between 0.2X and 1X, and is most preferably between 0.33X and 0.83X.Size Z is preferably
Between 0.5Y and 1.33Y, and it is most preferably between 0.67Y and 1.1Y.
Button 150 preferably has and the structure identical knot described in the button 50 for the blow vent of first embodiment
Structure, it include about 0.130 inch of diameter.Preferably, button 150 is oriented to more lean on compared near indentation end 145a
Nearly hinge 146, and be off-centered in this respect.Nearside point 157 is defined as near button 150 on indentation 142
Point, and distance therebetween is defined to D13.Due to the configuration of indentation 142, the blow vent of second embodiment is in button 150
There is on opposite side a pair of nearside point 157.
Preferably, dimension D 13 is between-.010 inch（That is, negative 0.010 inch）And between 0.020 inch.More preferably
Ground, dimension D 13 between -0.006 inch and 0.015 inch, more preferably between -0.003 inch and 0.013 inch it
Between, and be most preferably between -0.001 inch or 0.000 inch and 0.006 inch.As shown in Figure 12, D13 is from mark
The point measurement of 153b is designated as, this is corresponding to the similar point 53b limited in Fig. 7.
In the state of which is static, such as manufacture, button 50（With 150）Outside draw ring 70, i.e. the side of draw ring main body 74
Vertical projection indistinctively comprising button 50,150 any part.Therefore, if in draw ring 70 under its inactive state
Shi Lahuan 70 is depressed, then draw ring will not press the button 50, so as to prevent in seamless end and filling and seamed tank
The unintentional rupture of the blow vent indentation 42 during carrying and transporting.
Figure 14 A and Figure 14 B illustrate the beverage can end using raised or recessed foam.Shown in Figure 14 A and Figure 14 B
Embodiment in, shell structure, main indentation, blow vent indentation, draw ring and rivet are above in connection with as shown in Fig. 1 to Figure 12
Embodiment described in.First foam end 210a includes curled portion 212, the wall knot as described in the end 10 with regard to first embodiment
Structure 214 and annular foam 216.Center panel 218a of end 210a includes blow vent 240.Draw ring 270 is attached by rivet 222
To housing.
Main indentation 226 with identical described in the main indentation 26 with regard to first embodiment.Center line CL by rivet 222 and
Center line by draw ring 270 limiting, or, if draw ring 270 is not in being ready to actuate to open the normal of tear panel
Position is advised, then center line CL divides the pouring opening region formed by main indentation 226 equally.Cross central line TL normal direction is in main center line
CL and pass through rivet 222.
Main projection foam 288a includes first, flared end 289, and which is located at the rear portion of cross central line TL, and
And preferably in the hinge side of main center line CL and on the online CL side relative with blow vent 240b.From end 289b,
Foam 288a is curved inwardly towards main center line CL, and subsequently, is bent outwardly with respect to line CL, and afterwards, foam 288 follows master
The profile of indentation 226（That is, for the major part in main indentation 226, foam 288a and 226 spaced at equal intervals of indentation）.
Foam 288a continues around main indentation 226 and bends, and to terminate in the second end 290, the second end 290 is in ventilation
Before mouth 240（Along Figure 14 A be oriented in lower section）And separate with blow vent 240.The second end 290 is on inwardly curled portion
Including outwards（That is, with respect to center line CL）Expanding unit.Foam 288a with respect to main center line CL be asymmetrical, this is because
In embodiment shown in Figure 14 A, the second end 290 is before first end 289（That is, along Figure 14 A be oriented in lower section）.
Can be raised foam or recessed foam and to be preferably be circular blow vent foam 299 around blow vent indentation
242.The layout of the shape, orientation of blow vent indentation and position and corresponding button can as disclosed herein other
Described in any embodiment described in embodiment.
The foam end 210b of second embodiment include curled portion 212 as described in the end 10 with regard to first embodiment,
Wall construction 214 and annular foam 216.Center panel 218b of end 210b includes blow vent 240b.Draw ring 270 passes through rivet
222 are attached to housing.
Main indentation 226 with identical described in the main indentation 26 with regard to first embodiment.Center line CL by rivet and leads to
Cross the center line of draw ring 270 to limit, or, if draw ring 270 is not in being ready to actuate to open the routine of tear panel
Position, then center line CL divide the pouring opening region formed by main indentation 226 equally.Cross central line TL normal direction is in main center line CL
And pass through rivet 222.
Main projection foam 288b includes first, flared end 289, and which is located at the rear portion of cross central line TL, and
And preferably in the hinge side of main center line CL and on the online CL side relative with blow vent 240b.From end 289, steep
Body 288b is curved inwardly towards main center line CL, and subsequently, is bent outwardly with respect to line CL, and afterwards, foam 288b follows master
The profile of indentation 226（That is, for the major part in main indentation 226, foam 288b and 226 spaced at equal intervals of main indentation）.
Foam 288b is bent around main indentation 226, and continues to curve inwardly, and to form waist 291, the waist 291 exists
Before blow vent 240b（Along Figure 14 A be oriented in lower section）And separate with blow vent 240b.Then, foam 288b is towards ventilation
Mouth indentation 242 stretches out, and is formed in the hook-shaped sweep 292 of 242 rear portion of blow vent indentation extension.Preferably,
As shown in Figure 14 B, sweep 292 extends to inner side（That is, between blow vent indentation 242 and main center line CL）, and
And extend forward, to terminate in the second foam end 293.
Foam 288b through its from first end 289 to the scope of the second end 293 can be raised foam.Substituting
Ground, foam 288b can be from the references of the raised foam extended around main indentation 226 close waist 291 substantially in Figure 14 B
Recessed foam is transitted at transition part indicated by 301.The shape, orientation of blow vent indentation and position and corresponding button
Layout can as described herein described in any other embodiment.
Foam 288a and 288b are preferably symmetrical or near symmetrical in cross-section, and can be by routine
Method is formed with conventional configuration, and the people for being such as familiar with end technology will be understood that.Foam 288a and 288b and blow vent
The concrete size of indentation 242 and layout can be selected according to the desired tension force to be realized of across blow vent indentation 242, to strengthen
Pressure and opening performance.
In order to open container for drink, user catches and lifts heel 76 with finger.In response to lifting heel 76, draw ring 70
Around hinge 80 deforms（It is best shown in the diagram）So that the nose 72 of draw ring contacts main tear panel 28.User continues to lift up
Heel 76, until main indentation 26 is ruptured to form main pouring opening.Preferably, the process for opening main pouring opening is conventional
's.
Then, user pushes down on heel 76 so that draw ring 70 is near its home position.Draw ring 70 subsequently can be around 22 pivot of rivet
Turn, until draw ring foam 82 is aligned with blow vent button 50, as shown in Figure 6.Preferably, foam 82 is along proximally facing point 57
Direction from contact button 50 at the position of the center-biased of button（In the first embodiment）, the nearside point 57 is again preferably
On the side relative with blow vent hinge 46 of button 50.
As shown in FIG. 13A, the contact button first at the point A for orienting with respect to nearside point 57 as mentioned above of foam 82
50.When user applies downward power by pushing down on draw ring 70, blow vent indentation 42 ruptures first, such as Figure 13 B
In near point 57 shown in.Nearside point 57（For first embodiment）With the orientation of initial contact point A, and button 50 and ventilation
The geometric configuration of mouth indentation 42, promotes efficiently and reliably opens.Compared with circular knurl, blow vent tears panel 44
Elongated shape enhanced ventilation zone is provided（That is, the depression panel 62 not deflected when rupturing with respect to blow vent indentation 42 exists
Open area between the antelabium of blow vent tear panel 44）.After initial rupture, blow vent tears 44 around hinge of panel
46 pivot so that what foam 82 was follow-up move downward by contact point from initial point A backward（As oriented along draw ring center line）Change
Become contact point B, and finally, change over contact point C, the contact point C more backward and illustrate in Figure 13 C.In other cases,
When the present example of blow vent is actuated, the contact point between draw ring and button is moved rearwards by.Contact point A to C is opened
During journey towards blow vent hinge rolling or slide enhance blow vent tear panel 44 angular deflection, this is beneficial to opening surface
Product.It is sized in the embodiment entered in vent openings in foam 82, the size of vent openings（Such as around hinge is bigger
Angular deflection is embodied, and foam enters into the bigger angular deflection for making it possible to realize the around hinge in opening）In order to more preferable
Venting capability and be increased.
After rupturing near the blow vent indentation 42 of nearside point 57, rupture and propagate along both direction around button 50, until
As blow vent tear 44 downward bias of panel transfers to reach the opposed end of blow vent indentation 42.
In the blow vent 140 of second embodiment, contact point A is not alignd with nearside point 157, but around button circumference and it
Become 90 degree.After initial rupture, contact point A to C（In figure is not shown）By rolling or sliding more backward（Away from riveting
Nail）Or towards blow vent hinge, as above substantially described in.Blow vent indentation 142 may be near a head in nearside point 157
First rupture.Rupture is propagated along both direction, until transferring to reach blow vent indentation with blow vent tear 144 downward bias of panel
142 opposed end.Alternatively, if enough energy accumulations before initial rupture tear panel 144 in blow vent
In, then indentation 142 initially can simultaneously or almost simultaneously be broken at the point with 157 one-tenth 90 degree of nearside point or at some positions
Split.
In the claims, term " between " include scope the limit.For example, if claims state is between size A
And size B between, then the claim is comprising just for the A and just size for B, and equivalent and approximately.
Have been described for some features of the combination of beverage can end and can end and tank body.The invention is not restricted to this paper institute
Any combinations of the feature of description.Conversely, claim should be explained according to its all appropriate scope.The explanation of feature according to
Lai Yu is familiar with the people of aluminum beverage pot technology to understand, the aluminum beverage pot technology is for example used for being formed and engagement end portion, forms end
The technology of recessed, foam and indentation in portion etc..
Claims (44)
1. a kind of beverage can end, including：
The peripheral curl that can be engaged to be connected to tank body by crimping；
From the radially inner wall construction of the curled portion；
Center panel；
Main indentation, which defines main hinge and main tear panel, and the main tear panel can be opened when the indentation ruptures,
To form pouring opening；
The draw ring of the center panel is couple to by rivet, and the draw ring has nose, main body and heel, and the nose can
A part for the main tear panel is contacted, for the main indentation rupture is made, the heel is relative with the nose to be formed, institute
State heel to be configured to grasp for user；
Raised main foam, which has the first end on positioned at the heel lateral of the draw ring, and around the main tear panel
Extend to the second end；
Blow vent, it include：
Blow vent indentation, which defines blow vent tear panel and blow vent hinge, and the blow vent hinge is located approximately at described
Between the opposed end of blow vent indentation；And
The button for projecting upwards on blow vent tear panel；And
Projection or recessed blow vent foam around blow vent indentation positioning；
Wherein, the main indentation rupture can be made by lifting the heel actuating the draw ring, and pass through in the drawing
It is pressed downward rupturing can the blow vent indentation to actuate the draw ring on ring.
2. beverage can end as claimed in claim 1, it is characterised in that the main foam and the blow vent foam are by continuous
Foam formed.
3. beverage can end as claimed in claim 2, it is characterised in that the blow vent foam is raised foam.
4. beverage can end as claimed in claim 2, it is characterised in that the blow vent foam is recessed foam, described
Raised main foam and recessed blow vent foam are produced in raised foam at the transition part of recessed foam and are coupled.
5. beverage can end as claimed in claim 4, it is characterised in that the transition part is approximate with the first end of main foam
Relative positioning.
6. beverage can end as claimed in claim 1, it is characterised in that main foam is separated with the blow vent foam, and
The main foam is asymmetric with regard to main center line CL.
7. beverage can end as claimed in claim 1, it is characterised in that the blow vent foam is carved around the blow vent
Trace, and separate with the main foam.
8. beverage can end as claimed in claim 1, it is characterised in that the periphery of the blow vent foam and the median plane
The periphery of plate is tangent.
9. beverage can end as claimed in claim 1, the main foam has longitudinal axis, and the main foam is with regard to institute
The longitudinal axis for stating main foam is asymmetrical.
10. beverage can end as claimed in claim 1, it is characterised in that the button of the blow vent is located at the draw ring
Outside, while the draw ring is oriented to actuate the main indentation, and blow vent panel foam is near the center panel
Peripheral edge away from the rivet is positioned, and thus, the blow vent is oriented to strengthen ventilation.
11. beverage can ends as claimed in claim 1, it is characterised in that the blow vent indentation is located on the button, or
Person and the side wall of the button have the blow vent indentation measure near at the point of the side wall of the button apart from D3
Or D13, described apart from D3 or D13 be not more than 0.020 inch so that be transferred to the downward of the button from the heel of the draw ring
Power rupture the blow vent indentation, thus, the main indentation can be made by lifting the heel actuating the draw ring
Rupture, and actuating the draw ring by pressure on the draw ring ruptures can the blow vent indentation.
12. beverage can ends as claimed in claim 11, it is characterised in that described apart from D3 or D13 not less than -0.010 English
Very little.
13. beverage can ends as claimed in claim 11, it is characterised in that described apart from D3 or D13 between -0.006 inch
And between 0.015 inch.
14. beverage can ends as claimed in claim 11, it is characterised in that described apart from D3 or D13 between 0.000 inch and
Between 0.006 inch.
15. beverage can ends as claimed in claim 11, it is characterised in that the blow vent hinge is oriented such that indentation
Rupture propagates to the blow vent hinge along both direction around blow vent tear panel.
16. beverage can ends as claimed in claim 11, it is characterised in that the blow vent indentation be oriented to described by
Between about 0.060 inch and about 0.105 inch of the centerline of button.
17. beverage can ends as claimed in claim 11, it is characterised in that the radius of curved transition portion is between about 0.005
Between inch and about 0.020 inch.
18. beverage can ends as claimed in claim 11, it is characterised in that the radius of the curved transition portion is between about
Between 0.0075 inch and about 0.0115 inch.
19. beverage can ends as claimed in claim 11, it is characterised in that the radius of the curved transition portion is of about
0.0095 inch.
20. beverage can ends as claimed in claim 11, it is characterised in that the button have between about 0.10 inch and
Diameter between about 0.18 inch.
21. beverage can ends as claimed in claim 11, it is characterised in that the button has between about 0.115 inch
Diameter between about 0.15 inch.
22. beverage can ends as claimed in claim 11, it is characterised in that the button is straight with about 0.130 inch
Footpath.
23. beverage can ends as claimed in claim 11, it is characterised in that the side wall of the blow vent indentation and the button
Hithermost position is relative with the blow vent hinge.
24. beverage can ends as claimed in claim 11, it is characterised in that the side wall of the blow vent indentation and the button
Hithermost position is not relative with the blow vent hinge.
25. beverage can ends as claimed in claim 11, it is characterised in that the blow vent hinge is relative with the rivet.
26. beverage can ends as claimed in claim 11, it is characterised in that the blow vent hinge is close in the button
On the side of the rivet.
27. beverage can ends as claimed in claim 11, it is characterised in that the draw ring have be configured to contact the button
Contact element.
28. beverage can ends as claimed in claim 27, it is characterised in that the contact element of the draw ring is downward projection of
Foam.
29. beverage can ends as claimed in claim 28, it is characterised in that the foam of the draw ring is elongated, and chi
The very little foam for being set such that the draw ring can enter into the aperture of the blow vent formed when the blow vent indentation ruptures
In.
30. beverage can end as claimed in claim 11, it is characterised in that downward on the draw ring in response to being applied to
Pressure, the blow vent indentation are ruptured near at the point of the side wall of the button in the blow vent indentation first.
31. beverage can ends as claimed in claim 28, it is characterised in that the foam of the draw ring is being approximately equal to the riveting
Bend at the radius of the distance between the button of the center of nail and the blow vent.
32. beverage can ends as claimed in claim 1, it is characterised in that the draw ring is constructed such that by draw ring
Foam against at the following location of the initial contact on the button of the button, i.e.,：Described it is located proximate to the blow vent
Indentation is near the position of the side wall of the button.
33. beverage can ends as claimed in claim 1, it is characterised in that the draw ring and the button are constructed such that
After the initial contact, as blow vent tear panel is pivoted around the blow vent hinge, the foam of the draw ring against
The subsequent touch of the button is moved rearwards by from initial contact point on the button.
34. beverage can ends as claimed in claim 1, it is characterised in that the blow vent is defined：
Along blow vent center line CL from button center size X to the lateral end of the blow vent indentation,
From the button center to size Y of the blow vent hinge, and
From the button center to size Z of the nearside point of the blow vent indentation, the nearside point is the blow vent indentation
On near the button point,
Size X more than Z and is less than 5Z, and size Y is more than 0.5Z and less than 3Z.
35. beverage can ends as claimed in claim 34, it is characterised in that size X is more than 1.2Z and less than 3Z, and size
Y is more than 0.75Z and less than 2Z.
36. beverage can ends as claimed in claim 35, size Y is more than 0.9Z and less than 1.5Z.
37. beverage can ends as claimed in claim 34, it is characterised in that Z size is between 0.0625 inch and 0.090 inch
Between.
38. beverage can ends as claimed in claim 34, it is characterised in that the Z size is between 0.065 inch and 0.085
Between inch.
39. beverage can ends as claimed in claim 34, it is characterised in that the Z size is between 0.068 inch and 0.078
Between inch.
40. beverage can ends as claimed in claim 1, it is characterised in that the blow vent is defined：
Along blow vent center line CL from button center size X to the lateral end of the blow vent indentation,
From the button center to size Y of the blow vent hinge, and
From the button center to size Z of the nearside point of the blow vent indentation, the nearside point is the blow vent indentation
On near the button point,
Wherein, size Z is between 0.2X and 1X, and size Z is between 0.5Y and 1.33Y.
41. beverage can ends as claimed in claim 40, it is characterised in that size Z between 0.33X and 0.83X, and
Size Z is between 0.67Y and 1.1Y.
42. beverage can ends as claimed in claim 1, it is characterised in that the blow vent is defined：
Along blow vent center line CL from button center size X to the lateral end of the blow vent indentation,
From the button center to size Y of the blow vent hinge, and
From the button center to size Z of the nearside point of the blow vent indentation, the nearside point is the blow vent indentation
On near the button point,
Wherein, size Z is between the 0.5 and 0.81 of button diameter D1.
43. beverage can ends as claimed in claim 42, it is characterised in that size Z is between 0.55D1 and 0.7D1.
44. beverage can ends as claimed in claim 42, it is characterised in that size Z is of about 0.6D1.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461950397P | 2014-03-10 | 2014-03-10 | |
| US61/950397 | 2014-03-10 | ||
| PCT/US2015/019642 WO2015138413A1 (en) | 2014-03-10 | 2015-03-10 | Vented beverage can and can end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106488876A true CN106488876A (en) | 2017-03-08 |
Family
ID=52686532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580024567.5A Pending CN106488876A (en) | 2014-03-10 | 2015-03-10 | Aeration type beverage can and can end |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP3116798B1 (en) |
| CN (1) | CN106488876A (en) |
| AU (1) | AU2015229633B2 (en) |
| CA (1) | CA2942302A1 (en) |
| DK (1) | DK3116798T3 (en) |
| ES (1) | ES2680470T3 (en) |
| MX (1) | MX2016011701A (en) |
| PL (1) | PL3116798T3 (en) |
| RS (1) | RS57622B1 (en) |
| SA (1) | SA516371822B1 (en) |
| SG (1) | SG11201607292TA (en) |
| TR (1) | TR201810807T4 (en) |
| WO (1) | WO2015138413A1 (en) |
| ZA (1) | ZA201606178B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111741906A (en) * | 2018-02-22 | 2020-10-02 | 斯多里机械有限责任公司 | Push button closure |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10017295B2 (en) | 2010-08-06 | 2018-07-10 | Ball Corporation | Container end closure with optional secondary vent opening |
| CN105102332B (en) | 2013-03-15 | 2016-12-28 | 鲍尔公司 | There is the end cap of the secondary blow vent that draw ring activates |
| WO2016018977A1 (en) | 2014-07-30 | 2016-02-04 | Ball Corporation | Vented container end closure |
| WO2016028860A1 (en) | 2014-08-19 | 2016-02-25 | Ball Corporation | Metal end closure with an extended score which is opened with a secondary tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5011037A (en) * | 1989-11-30 | 1991-04-30 | Adolph Coors Company | Container end member |
| US20110266281A1 (en) * | 2010-04-28 | 2011-11-03 | Daniel Alan Thiemann | Beverage container lid with mouth opening and separate push in vent |
| US20120199587A1 (en) * | 2011-02-09 | 2012-08-09 | Kirk Norris | Beverage Containers, And Tabs And Lids For Use With Beverage Containers |
| WO2013067398A2 (en) * | 2011-11-04 | 2013-05-10 | Ball Corporation | Vented metallic container end closure |
| CN103140423A (en) * | 2010-08-06 | 2013-06-05 | 鲍尔公司 | Container end closure with optional secondary vent opening |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9403628B2 (en) * | 2013-03-14 | 2016-08-02 | Crown Packaging Technology, Inc. | Vented beverage can and can end |
-
2015
- 2015-03-10 DK DK15710705.3T patent/DK3116798T3/en active
- 2015-03-10 RS RS20180901A patent/RS57622B1/en unknown
- 2015-03-10 EP EP15710705.3A patent/EP3116798B1/en active Active
- 2015-03-10 PL PL15710705T patent/PL3116798T3/en unknown
- 2015-03-10 WO PCT/US2015/019642 patent/WO2015138413A1/en active Application Filing
- 2015-03-10 CN CN201580024567.5A patent/CN106488876A/en active Pending
- 2015-03-10 ES ES15710705.3T patent/ES2680470T3/en active Active
- 2015-03-10 MX MX2016011701A patent/MX2016011701A/en active IP Right Grant
- 2015-03-10 TR TR2018/10807T patent/TR201810807T4/en unknown
- 2015-03-10 SG SG11201607292TA patent/SG11201607292TA/en unknown
- 2015-03-10 CA CA2942302A patent/CA2942302A1/en not_active Abandoned
- 2015-03-10 AU AU2015229633A patent/AU2015229633B2/en active Active
-
2016
- 2016-09-06 ZA ZA2016/06178A patent/ZA201606178B/en unknown
- 2016-09-08 SA SA516371822A patent/SA516371822B1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5011037A (en) * | 1989-11-30 | 1991-04-30 | Adolph Coors Company | Container end member |
| US20110266281A1 (en) * | 2010-04-28 | 2011-11-03 | Daniel Alan Thiemann | Beverage container lid with mouth opening and separate push in vent |
| CN103140423A (en) * | 2010-08-06 | 2013-06-05 | 鲍尔公司 | Container end closure with optional secondary vent opening |
| US20120199587A1 (en) * | 2011-02-09 | 2012-08-09 | Kirk Norris | Beverage Containers, And Tabs And Lids For Use With Beverage Containers |
| WO2013067398A2 (en) * | 2011-11-04 | 2013-05-10 | Ball Corporation | Vented metallic container end closure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111741906A (en) * | 2018-02-22 | 2020-10-02 | 斯多里机械有限责任公司 | Push button closure |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2942302A1 (en) | 2015-09-17 |
| ZA201606178B (en) | 2017-09-27 |
| MX2016011701A (en) | 2016-12-14 |
| RS57622B1 (en) | 2018-11-30 |
| TR201810807T4 (en) | 2018-08-27 |
| AU2015229633A1 (en) | 2016-09-22 |
| EP3116798A1 (en) | 2017-01-18 |
| SG11201607292TA (en) | 2016-09-29 |
| WO2015138413A1 (en) | 2015-09-17 |
| DK3116798T3 (en) | 2018-08-06 |
| AU2015229633B2 (en) | 2019-08-01 |
| SA516371822B1 (en) | 2019-11-17 |
| ES2680470T3 (en) | 2018-09-07 |
| EP3116798B1 (en) | 2018-05-02 |
| PL3116798T3 (en) | 2018-11-30 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170308 |
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