CN101037153B - Cup cover capable of reclosure - Google Patents
Cup cover capable of reclosure Download PDFInfo
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- CN101037153B CN101037153B CN2006100596960A CN200610059696A CN101037153B CN 101037153 B CN101037153 B CN 101037153B CN 2006100596960 A CN2006100596960 A CN 2006100596960A CN 200610059696 A CN200610059696 A CN 200610059696A CN 101037153 B CN101037153 B CN 101037153B
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- closed plate
- elongated closed
- lid according
- slideway
- roof
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Abstract
A reclosable cup cover made by polymeric material thermoforming comprises a domed member and a lathy close plate. The thermoformed domed member has a side wall and a top wall, the top wall comprises an upper surface, a lower surface and a drinking hole in the circumference of the top wall. The top wall is also provided with a pair of slideways hanging down from the lower lateral side of the top wall, and a cylindrical hole arranged inward relative to the drinking hole. The lathy close plate comprises oppositely arranged joining edges, an upper surface with a post protruding upward therefrom, and a drinking hole sealing region. When assembly, the domed member and lathy close plate are assembled together to make the oppositely arranged joining edges of the close plate be slidably mounted inthe slideways and generally displace in the radial direction.
Description
The application requires to enjoy the preceence that the provisional application sequence number is the U.S. Patent application of No.60/617123, and this U.S. Patent application was submitted on October 8th, 2004, and the full content with this U.S. Patent application is incorporated into the present invention by reference.
Technical field
Present invention relates in general to bowl cover, and especially relate to the disposable bowl cover of a kind of dome, have a consumption aperture and an elongated closed plate that hangs down, this elongated closed plate can be substantially along radially moving between an open position and an off position, at open position, the internal communication of described hole and dome is at off position, described closing panel covers described hole, spills to alleviate or to prevent basically to overflow.
Background technology
By following content, can carry out the U.S. Patent No. 581293 of the exercise question of sizable variation: C.H.Leggett aspect the structure of Reclosable lid on the whole as can be known for " Can Cover or the Like "; The exercise question of G.A.Cibulka is the U.S. Patent No. 949974 of " Closure for Cans "; The exercise question of J.C.Gibbs is the U.S. Patent No. 1433544 of " Sifter Can "; The exercise question of L.B.Pronsnitz is the U.S. Patent No. 1765284 of " Ink Well Closure "; The exercise question of C.E.Tannewitz is the U.S. Patent No. 1888363 of " Inkwell "; The exercise question of J.Coyle etc. is the U.S. Patent No. 2492846 of " Dispensing Container with Slide Closure "; The exercise question of Waterbury is the U.S. Patent No. 4170724 of " Vendable Reclosable Beverage Container "; The exercise question of Eppenbach is the U.S. Patent No. 4201320 of " Measuring Dispenser "; The exercise question of Florczyk etc. is the U.S. Patent No. 4434906 of " Container Having Resealable Opening Means "; The exercise question of Lyon is the U.S. Patent No. 5025945 of " Beverage Container "; The exercise question of English etc. is the U.S. Patent No. 5086941 of " Dispenser Closure Assembly "; The exercise question of Pierce is the U.S. Patent No. 5462189 of " Resealable, Refillable Container System "; The exercise question of Wong is the U.S. Patent No. 6354454 of " Bottle Cap "; And the exercise question of Markert etc. is the U.S. Patent No. 6439442 of " Lid With a Slidable Dispensing Spout ".By reference disclosed full content in these US Patent is incorporated into the present invention.
The beverage closure of Reclosable or container can be seen in following patent: the exercise question of Davis etc. is the U.S. Patent No. 4749099 of " Drink Preserver "; The exercise question of Hambleton etc. is the U.S. Patent No. 5470817 of " Slidable Reclosable Plastic Lid "; And the exercise question of Waterbury is the U.S. Patent No. 4127212 of " Vendable Reclosable Beverage Container ", by reference the full content of these US Patent in each is incorporated into the present invention.In U.S. Patent No. 4749099, in the track in a metal top that is formed at container, one advances tab (a push-in tab) to be interconnected on the sliding panel.The action advances tab tears the indentation part to described top downwards, so that manifest an opening, described thus sliding panel can move above opening, protects the not use content of internal tank.In U.S. Patent No. 5470817, a kind of container closure of plastic comprises that a master covers member and a sliding component.The master is covered member and is had supporting guide, and described sliding component is between these supporting guides, and described supporting guide is with respect to main plane run-off the straight of covering the member place, so that described sliding component is remained on the lid.Described master is covered member and is provided with a hole, and described sliding component can cover this hole.Described sliding component also comprises a part that can cooperate with finger.U.S. Patent No. 4127212 relates to a kind of drinking container of Reclosable, and a kind of slidably cap that is installed in container upper end is provided, and is used for moving above the opening on the lid.Described cap can't be removed from lid.
Aforementioned patent is common and be not suitable for disposable cover/cup market, and in disposable lid/cup market, cost, memory state, manufacturing simplification or the like are very important.
At disposable bowl cover, closing panel is incorporated in the upper wall of vinyl cover usually, is limited by line of weakness, so that make described closing panel separate with adjacent part on the lid along line of weakness, and folds back the consumption aperture on the uncover; Optionally, be fixed on the projection of the projection that makes progress at its open position; And can be folded in again on the edge described closed with covers.These lids are difficult to work suitably; and serious overflowing usually can be taken place spill (particularly for hot beverage); but however, to a certain extent because they have satisfied the too harsh cost standard in disposable products markets, so obtained infusive huge business success.
Although can't seal again, but the dome bowl cover has the more smooth displacement lid (displaced flatter lid) that has the folded form closing panel, wherein said folded form closing panel is folded into sizable degree, because to be customer institutes preferred and itself can control some overflows and spill for they, reason is that they have increased cup " overflow and spill height " above institute's splendid attire beverage.This lid is as well-known in the art, comprises a domed shape that is supported by the thermoplastic polymeric material, and has one and be used for when the opening of consumable beverage to cup the time with lid applications.Described lid and opening and closure member formed thereon have different shape.
A kind of gas dome of Reclosable sees that among the U.S. Patent No. D489260 of " Reclosable Container Lid " full content with each aforesaid U.S. Patent is incorporated into the present invention by reference for the exercise question of the U.S. Patent No. 6732875 of " Reclosable Container Lid " and Smith etc. at the exercise question of Smith etc.This lid comprises a cover piece and a rotatable circular disc member that is installed in the cover piece.The periphery of lid is provided with a projection (a post), in order to open and close the described disk of rotation between the position below the consumption aperture.Obviously, because the geometric configuration of disk/lid and lid/disc set zoarium need redundant cover piece structure above whole roof, that is to say two layers, so must be combined with such as the such feature of discharge orifice.In addition, the cover piece feature that is proposed has stoped effective nested, has increased storage, packing and traffic cost.The disclosed embodiments also might stop in the mode of cup on lid when the customer buys many portions of beverages piles up; Also can be to preventing to overflow to spill to have a negative impact by closing described consumption aperture.
Although multiple choices are provided, aforesaid existing disposable lid has one or more in the following shortcoming: be difficult to operate and can't seal effectively again; Can't effectively control overflows spills; The material cost height; Storage, packing and traffic cost are too high; Can't pile up or the like in the mode of cup on lid.As the present invention, these defectives are in the art overcome, and a kind of lid of Reclosable is provided, its not only durable and also be disposable, be easy to use, can pile up, effective splash proofing and overflow and spill, be easy to utilize existing machine to form and with low cost by the thermoplastic material manufacturing.
Summary of the invention
The invention provides a kind of beverage closure that is used for cup, this beverage closure is made by polymeric material and is comprised: hot formed domed member, described domed member comprises: sidewall and roof, described roof has upper surface and lower surface, the post hole, be positioned at the consumption aperture and a pair of slideway that is folded down from the lower surface of this roof at this top wall circumference place, wherein each slideway has the profile of S shape basically, the profile of the S shape of slideway has and the adjacent vertical basically part of part that curves inwardly, and this part that curves inwardly is adjacent with a substantially horizontal part; With hot formed elongated closed plate, this elongated closed plate has opposed trip edge along its length, have and begin the upwards upper surface and the drinking hole sealing region of the projection of projection from it.Described domed member and elongated closed plate are constructed such that the opposed trip edge on the described elongated closed plate is slidingly mounted on the slideway that is positioned on the described roof downside, so that the described consumption aperture of Reclosable ground sealing; Described projection is by the post hole that the is arranged in described roof projection that makes progress, the feature of described elongated closed plate also is, described projection can be substantially along radial displacement in described slideway, so that between a sealing station and an open position, move, wherein at described sealing station, the sealing area of described elongated closed plate seals up described consumption aperture, at described open position, the internal communication of described consumption aperture and domed member, this elongated closed plate seals up described post hole when described elongated closed plate is in sealing station, and described lid is disposable.
The invention provides a kind of disposable reclosable cup cover, it is made by a kind of polymeric material thermoforming, and comprises a domed member and a lathy close plate.Hot formed domed member can have a sidewall and a roof, and roof has upper and lower surface and a consumption aperture that is positioned at this top wall circumference place.Described roof can also limit a pair of slideway that is folded down from this roof lower surface, and limits a post hole that is provided with respect to consumption aperture.Lathy close plate can have opposed trip edge, have a upper surface and the drinking hole sealing region from the projection of its projection that makes progress.When assembling, described domed member and lathy close plate can be constructed such that the opposed trip edge of elongated closed plate is slidably mounted in the described slideway, is used for radial displacement substantially.In use, this bowl cover can pile up, so that reduce space requirement.
Other features and advantages of the present invention will be from behind discussion and accompanying drawing in become clear.
Description of drawings
Describe the present invention below in conjunction with accompanying drawing, in these accompanying drawings, identical Reference numeral refers to identical parts, and wherein:
Fig. 1 is a transparent view that is used for the two-piece type Reclosable beverage closure of cup according to the present invention, and wherein closing panel is shown in an open position;
Fig. 2 is the birds-eye view of lid shown in Fig. 1, and this moment, closing panel was shown in an open position;
Fig. 3 is the birds-eye view of lid shown in Fig. 1, and this moment, closing panel was in the closed position;
Fig. 4 is a bottom perspective view, shows other details of lid shown in Fig. 1;
Fig. 5 A be lid among the present invention along the cutaway view of Fig. 2 center line 5-5, show interconnecting and cup that one is stacked on the lid of domed member and elongated closed plate;
Fig. 5 B is the interconnective amplification details of domed member shown in Fig. 5 A and elongated closed plate;
Fig. 6 A is the end elevation of lathy close plate;
Fig. 6 B is the amplification details at the edge of elongated closed plate shown in Fig. 6 A;
Fig. 6 C is the cutaway view along the closing panel line of centers, shows the profile of projection and closed groove;
Fig. 7 is the part sectional view of an amplification, shows the details of the slideway on the lid and elongated closed plate among the present invention;
Fig. 7 A is a detailed view, shows the profile of a slideway;
Fig. 8 is a part sectional view, shows to be looped around consumption aperture sealing convex ridge on every side;
Fig. 9 is a side sectional view, show the stacked state of cup according to the present invention on lid, and lid is along the profile of Fig. 2 center line 9-9;
Figure 10 is another substituting interconnective part sectional view of domed member and elongated closed plate, and wherein except projection, closing panel is smooth basically;
Figure 11 is a lateral plan, shows the nested stacked state of lid according to the present invention on lid;
Figure 12 is a upward view, shows an alternate embodiment of the lid among the present invention, and wherein domed member has a pair of scallop shape slideway;
Figure 13 is the profile of slideway shown in Figure 12 in inside maximum prominence;
Figure 14 is a kind of alternative constructions of the slide plate on the lid among the present invention, has the inclination turning;
Figure 15 is the local configuration of closing panel shown in Figure 14;
Figure 16 is that another is used for the transparent view with the present invention's the joining slide plate of lid, and wherein this slide plate has the shape of cutting sth. askew substantially; And
Figure 17 is the partial end view of closing panel shown in Figure 15.
The specific embodiment
Only describe the present invention below for example and purpose of illustration.To those skilled in the art, with the various modification of understanding easily within the spirit and scope of the present invention, the spirit and scope of the present invention are explained in claims.Here, term provides with its general sense, more specifically defines or otherwise indicates at context unless provided.
" aspect ratio " refers to the ratio of object length and object width, for example the ratio of the width of the length of elongated closed plate and same elongated closed plate.
" substantially radially " refers to one and is arranged essentially parallel to or basically along the direction of diameter of work.
" the S shape of distortion " refers to the profile that those are similar to the S shape, such as in " 5 " shape shown in Fig. 7 A.
" S shape profile " refers to the contour construction of a S-shaped shape basically shown in accompanying drawing, such as the element among Fig. 5 A and the 5B 176.No matter whether S shape profile deform, and all distinct with disclosed C shape profile in U.S. Patent No. 6824003, the full content with this U.S. Patent No. 6824003 is incorporated into the present invention by reference.
" the undercutting degree of depth " refer to a groove below the transverse projections of same thermoforming structure part (perhaps top) horizontal expansion on described parts, forming the distance of a lateral trench.Undercut portions is characterised in that the what is called of discussing below " negative pattern draft (negative draft) ".If do not pass through undercutting, these parts or structure will have " positive pattern draft " so.When using in conjunction with the undercut portions with different depth, such as scallop shape undercut portions, the undercutting degree of depth refers to the undercutting degree of depth at the maximum transversal degree of depth place of undercut portions.
" setting of scallop shape " means and is a kind of a succession of or circular element or cornuate form that forms the border.The non-limiting example that the scallop shape is provided with is shown in Figure 12, element 158.
" disposable " means that the object plan is being dropped after once or at the most using several times.
" sealing basically " means at off position can or can excessive spilling not taken place from lathy close plate basically.
In one form, the invention provides a kind of disposable lid of Reclosable that is used for cup, this lid is made by polymeric material, and comprise: a) hot formed domed member, have sidewall and roof, roof has upper and lower surface and a consumption aperture that is positioned at this top wall circumference place, also is formed with a pair of slideway that is folded down from its inboard on the roof, and roof is also gone up and also is formed with a post hole that inwardly is provided with respect to consumption aperture; B) hot formed elongated closed plate, have along the opposed trip edge of its length, one have a upper surface and a drinking hole sealing region from the projection of its projection that makes progress; C) described domed member and elongated closed plate are constructed such that the opposed trip edge of elongated closed plate can be slidably mounted in the slideway on the described roof downside, come the described consumption aperture of Reclosable ground sealing; Wherein said projection is by the projection that makes progress of the post hole on the described roof, the feature of described elongated closed plate also is, described projection can be substantially along radially being subjected to displacement in slideway, come between a sealing station and an open position, to move, at sealing station, sealing area on the described closure member seals up described consumption aperture, and at open position, the internal communication of described consumption aperture and domed member, also have, described closure member seals up described post hole basically when it is in sealing station.Described slideway can be basically across the roof of domed member, and between the lower surface of the bottom of these slideways and roof, form parallel substantially undercutting groove.In a kind of suitable form, described groove can alongst be configured to the setting of scallop shape, so that form the groove of the undercutting degree of depth with variation.
In another form, lathy close plate can be smooth basically, and the opposed trip edge of this elongated closed plate can have the thickness substantially the same with this elongated closed plate, parallel undercutting groove with the cardinal principle on the slideway.In another form, the opposed trip edge of described elongated closed plate all has the thermoforming chimb, the profile of these chimbs be processed at least above the part of the corresponding profile of they and slideway with the parallel undercutting groove of the cardinal principle on the described slideway with the way of contact of face face.In this case, the opposed joint chimb on the elongated closed plate can have a profile of S-shaped shape basically, and the undercutting groove on the slideway can have the S shape profile of coupling.Alternatively, joint chimb on the described closing panel or the undercutting groove on the slideway can have a profile of S-shaped shape basically, and the profile of this S-shaped shape basically can mate with the distortion S shape profile phase of corresponding undercutting groove or joint chimb, so that make when being installed in described closing panel in the slideway, the corresponding profile at described chimb and edge is at least above a part of profile of the closure member of installing in described slideway, forms an air gap between the joint chimb of described closure member and slideway.If desired, described closing panel can have the longitudinal edge through cutting sth. askew; The proper angle of oblique cutting part is approximately 5 to 15 degree, perhaps is approximately 8 to 12 degree.
Described undercutting groove can have the undercutting degree of depth of about 0.05080 to 0.15240 centimetre (0.020 to 0.060 inch); In general, described undercutting groove has about at least 0.06350 centimetre (0.025 inch), the undercutting degree of depth of about 0.15240 centimetre (0.060 inch) at the most.
Reclosable among the present invention lid can also comprise: the length of described elongated closed plate be described domed member diameter length about 1/2 to 3/4; The length of described elongated closed plate can be described domed member diameter about 2/3; And the area of described elongated closed plate be described roof area about 5% to 25%.The area of described elongated closed plate generally be no more than described roof area about 25% to 35%.Described elongated closed plate can have about at least 1.5 aspect ratio (as defined herein), perhaps is approximately 2.0 at least, perhaps is approximately 3 at least.
The upper surface of described roof forms the groove and the bizet that have groove surfaces substantially, the height of described bizet above near the groove surfaces that is positioned at it is H, described groove and bizet are suitable for receiving the bottom of a cup, a plurality of cups that have lid can be piled up mutually thus.Pile up in order to allow, described projection is at the most from the groove surfaces about 1.25H of projection that makes progress, and when described elongated closed member is fixed in the slideway, inwardly is provided with respect to described elongated closed member.In a kind of suitable form, described bizet has a roof that has the arch upper surface, and for example the roof of described bizet can have the radius of curvature of about 0.06350 to 0.254 centimetre (0.025 to 0.1 inch).In a kind of suitable form, described bizet has a highly littler notch part (a gapped portion), this notch part is positioned at the groove surfaces top of radially aiming at consumption aperture, and the notch part on the wherein said bizet has an arch upper surface.When so being provided with, described notch part generally has the height of about 0.75H to 0.95H above groove surfaces.
Described elongated closed member can have an air extractor vent, this air extractor vent is configured such that when described elongated closed member is shown in an open position, the internal communication of described post hole and domed member is given described internal ventilation at open position thus, beverage is consumed helping.Alternatively, when hope is ventilated, also can air extractor vent be set other position on lid.
The concrete structure of lid comprises among the present invention: a) integral type domed member that has sidewall and roof, i) described sidewall has an installation groove in its underpart, this installation groove is configured to cooperate with the edge of a cup, and with sealing of its formation; Ii) described roof also has a upper surface and a lower surface, and be formed with a consumption aperture at the periphery place of this roof, be formed with a sealing convex ridge around described consumption aperture, also be provided with the parallel slideway of a pair of cardinal principle on the described roof, they form parallel substantially undercutting groove between the bottom of the lower surface of described roof and described slideway, described roof also has one and is arranged at inboard post hole with respect to consumption aperture; B) hot formed elongated closed plate has one and has sealed groove that a upper surface from the projection of its projection that makes progress, one form around sealing area and along the opposed trip edge of its length; C) described domed member and elongated closed plate are constructed such that vertical trip edge of described closing panel can be slidably mounted in the slideway that is arranged on the described domed member roof lower surface, come at described elongated closed plate when slideway slides, Reclosable ground seals described consumption aperture; D) wherein, when described elongated closed plate was installed in the slideway, the projection on the described elongated closed plate was by the projection that makes progress of described post hole, and the collaborative work thus of described post hole and projection limits the displacement of described elongated closed plate with respect to domed member; And e) feature of the sealing station of described elongated closed plate also is, described sealing convex ridge is seated in the sealed groove on the described elongated closed plate around consumption aperture.
Another concrete structure of lid comprises among the present invention: a) hot formed domed member, have a sidewall and a roof, i) described sidewall has an installation groove, be used for described lid removably is installed to cup, described side wall ring has groove surfaces on described roof groove forms a bizet, and this bizet has a height H above the groove surfaces on the described roof; Ii) described roof has a upper surface and a lower surface, and form a consumption aperture at its periphery place, also have a guide rail that is folded down from its lower surface on the described roof, described roof also has a post hole that is arranged at the inboard with respect to consumption aperture; B) hot formed elongated closed plate has one and has a upper surface and a drinking hole sealing region from the projection of its projection that makes progress; C) described domed member and elongated closed plate are constructed such that described elongated closed plate is slidably mounted, so that at the longitudinal rail cardinal principle radial displacement that is arranged on the described roof lower surface, utilize the drinking hole sealing region Reclosable ground on it that consumption aperture is sealed, wherein said projection is by the projection that makes progress of the post hole on the roof; D) described post hole and projection collaborative work thus, limit the radial displacement of described elongated closed plate with respect to domed member, and e) wherein said projection is from the make progress height about 1.25H at the most of projection of groove surfaces, thereby when a plurality of beverage lids that a)-e) limit type were nested within each other, the stack operation of lid can not be subjected to the influence of described projection basically.
In one form, the lid among the present invention is made by heat forming technology.Generally, heat forming technology is meant the compacting of the deformable material after the heating and/or is stretched to net shape.From the most basic aspect, heat forming technology is that a softening sheet material is coated on the shaping dies.Aspect comparatively detailed, heat forming technology is that the heating sheet material that will have the accuracy control temperature automatically is positioned in the pneumatic forming station at a high speed, utilize mould to form the shape of workpiece thus, repair and grind again as very known in the art subsequently.Other forming technique except conventional heat forming technology also is applicable to and makes the workpiece described in the present invention.These forming technologies have a variety of, such as calendered sheet is softening in advance to the temperature that is lower than final melt temperature, cut out smooth part (being blank) from sheet material, utilize gravity or mechanical device that blank is transferred to the mould of coupling, utilize heat and pressure that described blank is configured as workpiece thus.Other alternative comprises utilizes covering, vacuum, pressure, free blowing, the coupling cross cutting, seethe covering (billow drape), vacuum resilience (vacuum snapback), seethe vacuum (billow vacuum), connector assisted vacuum (plug assist vacuum), utilize the auxiliary reverse drawing that carries out of connector, pressure bubble submergence (pressure bubble immersion), hold back sheet material, slippage, barrier film, two cutting sheet materials (twin-sheet cut sheet), the biplate material rolls the appropriate combination that is rolled into shape and aforementioned content.Be described in detail in by Coulthard and in the book of publishing in 1987 of writing by J.L.Throne " Thermoforming (thermoforming) ", provide.The 21st page to 29 pages in this book by being incorporated by reference into the present invention.Suitable alternative also comprises a kind of pillow forming technique, and it produces positive air pressure between two softening sheet materials, makes them resist a protruding/negative mold system that is held and expands, so that form a hollow product.Metal die is etched into and has from meticulous to coarse pattern, so that simulate a kind of natural or cereal shape texture impression.The workpiece of suitable shaping can utilize a cutting die to carry out online finishing, so that optionally repeated usage is repaired product.Other scheme that is used to increase productivity comprises, utilizes a plurality of areas a plurality of workpiece that are shaped simultaneously, so that make quantum of output maximization and minimal wasteization.
Thermoplastic material is intended to comprise those materials that are applicable to the hot bowl cover of thermoplastic molded dome.A kind ofly be applicable to that the material of described lid is a kind of styrene polymer, it can be through over packing or without filling.This cmpd can have enough pigment provides opacity or intimate opacity.Other suitable material comprises polyolefin, such as polyethylene, polypropylene and their compound, polyester, polyamide, polyacrylates, polysulfones, poly ether-ketone (PEK), polycarbonate, acrylic resin, polyphenylene sulfide, acetyl, cellulose, polyetherimide, polyhenylene ether/polyphenylene oxide, SMA, styrene-acrylonitrile copolymer, polyvinylchloride and their engineering resin derivant.These materials can be similarly through over packing or without filling.As personnel or those of ordinary skill are known in the art, the filler that is used for any polymeric material can be any conventional material.
Described lid can be made by the thermoforming of a thermoplastic material sheet material.In general, the thermoplastic sheets of producing described lid is made with the thickness of about 10 to 20 mils (mil), the plate thickness of perhaps about 14 to 19 mils.The sheet material that has cut out blank can be made by abradant material again, and can recycle.Also have, the sheet material that has cut out blank can be made by raw MAT'L.Have again, the sheet material of the blank that has cut out can by raw MAT'L and again the compound of abradant material be prepared from.
Hot formed workpiece must be designed to allow that mould part and institute's molded piece freely separate, and unsuitable interference can not take place with the surface of workpiece.The surface of this workpiece generally includes one with respect to the what is called of mould moving direction in separation process just " pattern draft ", guarantees seldom or not can interfere in separation process between the inside face of institute's molded piece and mould part.Interference between workpiece and the mould is commonly referred to as " negative pattern draft ".Described pattern draft can be counted as the upside horizontal span of die cavity and the difference between the horizontal span of below.Positive pattern draft allows that model is extracted nattily from mould; But undercut portions itself has a negative pattern draft.
In the present invention, the undercutting degree of depth and be used for that closing panel is fixed on distance required on the dome portion of lid and be minimized generally so that the reduction meeting with bear the manufacture difficulty that pattern draft is associated.Especially, described slideway can have the undercutting groove that the outer wall by its inwall and positive pattern draft forms, and the outer wall of wherein said slideway has a camber profile.
Referring to Fig. 1 to Figure 11, a kind of thermoforming beverage closure 10 that is used for the Reclosable of cup 100 shown here, this lid forms (modification that comprises various features) according to the present invention's structure.Lid among the present invention comprises a hot formed domed member 12 and a lathy close plate 70, and lathy close plate 70 is as the below that is installed in domed member 12 that will further explain.
Domed member 12 comprises a circumferential side wall 14 that is folded down from disc-like top wall 16.Sidewall 14 on the domed member 12 and roof 16 limit an inboard dome cavity 18.When inboard dome cavity 18 is watched, roof 16 also comprises an inside face 20 and one and inside face 20 opposed outside faces 22.As by watching that accompanying drawing will be appreciated that, roof 16 is with respect to sidewall 14 depressions, because the upper end of sidewall 14 has formed a bizet 24.Bizet 24 through rounding, so that strengthen the work efficiency design factor of domed member 12, and makes it more comfortable when the lip with the user comes in contact on its top.For example, can use the radius R 1 of about at the most 0.12700 centimetre (0.050 inch) for bizet 24.The height of bizet 24 is marked as H, the distance that promptly described bizet extends above the outside face 22 of domed member 12.Other details of bizet 24 further feature of combined cover 10 hereinafter is described.
On the part of sidewall 14, also be formed with a lip groove 34, visually guide the consumption aperture 38 of user to the lid 10, and a more comfortable thin drinking surface is provided on sidewall 14.The shown lip groove 34 processed lower lips that hold the customer that are.Specifically, the edge 36 of lip groove 34 defines the structure of lip groove 34.In a kind of concrete form, edge 36 has a straight generally base portion 36a, and this base portion 36a couples together in each end and a bandy generally end 36b.Lip groove 34 inwardly is provided with from the radial surface of sidewall 14.Although shown lip groove 34 is positioned on bizet 24 and the sidewall 14, lip groove 34 can be confined on bizet 24 or the sidewall 14.Also have, the height H of bizet 24 reduces at the place, position of lip groove 34, helps drinking from lid 10 under the condition that does not interfere with bizet 24.The shape of lip groove 34 and structure can change, and meet a plurality of design parameterss.Similarly, the number of degrees of groove 34 and the bizet height H here can change.Described bizet can have at lip groove 34 places one have less height H ' notch part 34a.
On the inside face 20 of roof 16, be formed with a pair of slideway 48, so as along the direction at consumption aperture 38 and 40 places, post hole basically across the whole diameter of roof 16.Slideway 48 is folded down from the inside face 20 of roof 16, and forms cooresponding vertical undercutting groove 62 in the inside face 20 of every slideway 48 and roof 16 respectively.As described below, when when the inside face 20 of roof 16 or outside face 22 are watched, slideway 48 presents different profiles.
When the outside face 22 of roof 16 is watched, slideway 48 is configured to ride consumption aperture 36 and the post hole 40 that is aligned with a distance that is enough to form a land regions 50 between consumption aperture 36 and post hole 40.Land regions 50 can come with the remainder difference on the roof 16, and therefore is applicable to reception indication thereon or similar mark.Slideway 48 is made such that smooth basically outside face 22 comprises a smooth arch transitional surface 52 at the slideway outer wall place that ends at a flat bottom surface 54, and described flat bottom surface 54 has one and transitional surface 52 opposed passages 56.Passage 56 is defined by a vertical basically wall 58 that ends at land regions 50 places on the roof 16.Thus, when when outside face 22 is watched, slideway 48 is arranged in turnup below vertical edge of undercutting on the land regions 50 of roof 16.
When dome cavity 18 is watched, passage 56 forms a grip surface or the portions 60 of dangling, and is suitable for receiving lathy close plate 70, and between the inside face 20 of grip surface 60 and land regions 50 formation undercutting groove 62.Arch transitional surface 52 has the radius of curvature of about 0.6350 centimetre (0.25 inch), and forms the angle of about 45 degree with respect to flat bottom surface 54.Flat bottom surface 54 can have the width of about 0.15748 centimetre (0.062 inch) along the length direction of each bar slideway 48.The inboard radius of curvature of passage 56 can be approximately 0.10922 centimetre (0.043 inch).Undercutting groove 62 has the undercutting degree of depth of about 0.0508 to 0.0762 centimetre (0.02 to 0.03 inch), more specifically, has the degree of depth of about 0.06350 centimetre (0.025 inch).
As 59 places illustrated among Fig. 7 A, the undercutting degree of depth 65 was the distances that project into groove 62 bottoms from the outermost of part 60.
Second parts on the lid 10 are lathy close plate 70.Lathy close plate 70 is elongated rectangular elements, has a upper surface 72, lower surface 74, opposed vertical trip edge 76 (referring to Fig. 6 B) and an opposite end, comprises a closed end 78 and a non-closed end 80.A projection 82 comes out from upper surface 72 projections of elongated closed plate 70, forms a spacing with sealing area 84.Sealing area 84 is formed at closed end 78 places of elongated closed plate 70, and comprises a groove 86, and this groove 86 is corresponding with consumption aperture sealing convex ridge 42 on the roof 16 on the shape and size.The opposed longitudinal edge 76 of elongated closed plate 70 is made into to have unique shape (Fig. 5 A, 5B, 6A, 6B and 7) that engages, and perhaps optionally, becomes the blunt end basically (Figure 10) of flat elongated closed plate 70.
With reference to Fig. 5 A and 5B, opposed longitudinal edge 76 all is alphabetical serpentine shape basically especially, and a side is put upside down with respect to negative shape.Each bar in the opposed longitudinal edge 76 includes one and transits to the outside projection insertion of the upside antelabium 88 that downside inwardly encircles bonding part 90.The size of inserting antelabium 88 is suitable for being assemblied in the undercutting groove 62 on the domed member 12.Also have, the size of inserting antelabium 88 is suitable for being slidably received within the undercutting groove 62, so that make and between them, obtain slight friction, but preferably its shape is not identical with undercutting groove 62, avoid undercutting groove 62 thus and insert producing suction or excessive friction between the antelabium 88, otherwise will restrain sliding motion.Thus, preferably as shown in Figure 7, between described closing panel and undercutting groove 62, form a minim gap 63.The bonding part 90 of inwardly arching upward of downside be shaped as the corresponding grip surface 60 that is looped around slideway 48 at least in part around.By utilizing arch bonding part 90 at least in part that grip surface 60 is surrounded, obtained to prevent leakage effect under the condition that lid 10 is fixed thereon when cup 100 topples or improves during overturning, and/or when used lid 10 maintenance cup 100 in-to-in heats.This is because compare with known lids, has increased skin area, and has therefore strengthened dome portion 12 and contact with face between the elongated closed plate 70.
The size of closing panel 70 is designed to the size corresponding to slideway 48, so that form the close property of liquid cooperation basically between them, allows that still lathy close plate 70 is in slideway 48 slides within.Therefore, insert the internal diameter that antelabium 88 can have about 0.02540 centimetre (0.010 inch), the bonding part of outwards arching upward can have the external diameter of about 0.14478 centimetre (0.057 inch), and when when the inside face of elongated closed plate 70 is watched, the distance of inserting between antelabium 88 and arch bonding part 90 inside faces can be approximately 0.15240 centimetre (0.060 inch).
Opposed closed end 78 and non-closed end 80 can be made into to have and transit to inwardly arch upward identical outwards the arching upward of bonding part 90 of downside and insert antelabium 88, perhaps alternatively, end in the plane identical with the upper surface 72 of elongated closed plate 70.All be made into to have in end 78,80 outwards to arch upward and insert antelabium 88 and downside and inwardly arch upward under the situation of bonding part 90, shaping operation can be carried out continuously or interrupts in one or more corners of elongated closed plate 70 around elongated closed plate 70.
Lathy close plate 70 also comprises an air extractor vent formed thereon 92.Air extractor vent 92 can be between sealing area 84 and projection 82, so that make air extractor vent 92 reveal when consumption aperture 38 is opened.Air extractor vent 92 is suitable for guaranteeing that container contents passes through consumption aperture 38 and flow out continuously, ventilates in container simultaneously.Alternatively, air extractor vent 92 can be arranged on other position on the lid 10.In addition, projection 82 and sealing area 84 spaced apart distances, this distance is limited by the restriction of the backstop on consumption aperture 38 and the post hole 40 edge 44.
As can from accompanying drawing, seeing, the length of elongated closed plate 70 be approximately roof 16 diameter lengths half to 3/4ths.The length of described elongated closed plate can be approximately 2/3rds of roof 16 diameter lengths.In other words, the area of described elongated closed plate can approximately be 5% to 25% of roof 16 areas, perhaps approximately is 10% to 45% of roof 16 areas, but is no more than 50%.
It should be noted that lathy close plate 70 has is approximately 1.5 at least, is approximately 2 at least, perhaps be approximately at least 3 aspect ratio (L/W, Fig. 4).
In Fig. 9, show cup the piling up on lid that the lid 10 that utilizes among the present invention is realized easily.Cup 100 comprises that a bottom 102, upper side edge are along 104 and sidewall 106 that bottom 102 and edge 104 are coupled together.Bottom 102 comprises a circular stayed surface 108 and a bottom of cups 110 that dents within the circular stayed surface 108, so that it is high by 112 to limit wall between circular stayed surface 108 and bottom of cups 110.With circular stayed surface 108, bottom of cups 110 and wall high 112 is the boundary, limits an opened areas 114.This being configured in of cup bottom 102 is known in the art.Circular stayed surface 108 against and/or be seated within the bizet 24 on the lid 10, simultaneously projection 82 is assemblied in easily and opens in the zone 114.Therefore in conjunction with two-piece cover 10, realized cup piling up on lid in a kind of former mode that can't realize, and can not be subjected to the interference of projection 82.
As will from Fig. 5 A see, the surface 22 above, the height H of projection 82 ' can only be slightly higher than the height H of bizet 24.This feature is allowed and is carried out the lid that pile up and later discuss the piling up lid of foregoing cup on lid.
In the course of the work, such as in the assembling place and before using, the longitudinal edge of shaping 76 on the elongated closed plate 70 is assembled into and vertical undercutting groove 62 and grip surface 60 slide joint by the user.By assembling, projection 82 comes out by 40 projections of post hole, and consumption aperture 38 is opened according to the position of elongated closed plate 70 or closes.When the customer used, projection 82 can opened backstop restriction edge 46 and close between the backstop restriction edge 44 in post hole 40 slides within, so that open or close consumption aperture 38 respectively.Promote projection 82 and will impel the sealing convex ridge 42 on the roof 16 to cooperate, impel between them the formation interlock to seal with groove 86 on the elongated closed plate 70 to closing backstop restriction edge 44 (towards consumption aperture 38).Promote projection 82 and will make sealing convex ridge 42 cooperate, discharge the interlock sealing between these parts with groove 86 disengagings to opening backstop restriction edge 46 (deviating from consumption aperture 38).Backstop restriction edge 44 and 46 will limit the motion of projection 82, and the position that makes elongated closed plate 70 be in thus to close and open fully consumption aperture fully.Also can be in any position between the described motion outermost border, and will be kept, because have slight friction between 50 structures of the slideway on the longitudinal edge shape of elongated closed plate 70 and the roof 16.
The sealing area 84 that includes groove 86 on the elongated closed plate 70 can not come out by consumption aperture 38 projections, but but can form a surf zone 94 in groove 86 inside, and covers than the bigger area of consumption aperture 38 areas.Because elongated closed plate 70 has the skin area 94 that covers consumption aperture 38 from the inside face 20 of roof 16 fully, so the inversion of the container that has lid and close or topple and to impel the content in the container further to oppress elongated closed plate 70, and thus surface 94 is pressed against on the consumption aperture 38.Therefore, because consumption aperture 38 is got up by the inner sealing from lid 10,, strengthened sealing effectiveness thus to container contents so will prevent from better to leak than closing from the upper surface of lid 10.
The closing panel of profiled edge is preferred although have, and as schematically showing among Figure 10, the flat basically closing panel that has smooth trip edge 76 will be suitable equally.Figure 10 is a cutaway view that is similar to Fig. 5 A.
With reference to Figure 11, show lid 10,110,120 among the present invention and can be easily be stacked into one and nestedly pile up 125, because described projection can not protrude on the bizet 24 significantly with the spacing 130 of about 0.45720 centimetre (0.180 inch).
Although consumption aperture 38, sealing convex ridge 42 and groove 86 are illustrated as ovalize generally, but it will be understood that, as long as sealing convex ridge 420 and groove 86 are corresponding so that form interlock between them on shape and size, so any suitable shape all will be realized the expectation function of sealing consumption aperture 38.For example, the alternative shapes of consumption aperture 38 can comprise circle, square or rectangle, but is not limited thereto.
Although be described individually, domed member 12, sidewall 14 and skirt section 26 are applicable to and are made into an integral body in heat forming technologies.In order to illustrate feature of the present invention, the forming process in conjunction with single lid is described various features; But those skilled in the art it will be understood that and can adopt known manufacture method utilization to produce a plurality of lids simultaneously by the single sheet of material that thermoplastic material forms.
On the whole, the wallboard that lid 10 has about 10 to 20 mils is thick, and the wallboard of perhaps about 14 to 18 mils is thick.
Lathy close plate 70 can be made by the commaterial that is used to produce lid 10 remainders.But lathy close plate 70 also can be made by other light material.
With reference to Figure 12 and 13, show the lid 150 that another forms according to the present invention's structure at this.Lid 150 has a foregoing generally closing panel 152, and dome 154 has a pair of opposed slideway 156,158.Slideway 156 and 158 has the undercutting groove of describing in conjunction with embodiment shown in Fig. 1; But these slideways can like that alongst have a kind of scallop shape geometric configuration as shown in Figure 12.Described scallop shape helps product is deviate from from mould, and can have 0.6350 centimetre of radius of curvature about (0.25 inch).Described scallop shape geometric configuration also helps darker as shown in Figure 13 undercutting groove, and Figure 13 shows a part of profile of described dome along line 13-13, this part be one increase area to inner process.
Can see that in Figure 13 undercutting groove 160 has the undercutting degree of depth 162 of about 45 to 40 mils; The extreme depth and the less degree of depth are intermittently arranged.
For the closing panel on the lid among the present invention, also can use the structure of replacement.For example, plate 170 shown in Figure 14 can be used in the slideway shown in Figure 12 156,158.Plate 170 is similar to closing panel shown in Figure 1; But plate 170 has a plurality of inclination turning 172,174,176,178 and the foursquare end of cardinal principle.Also have, as shown in Figure 15, the edge can have darker undercut portions.In Figure 15, the longitudinal edge 180 of plate 170 has the undercutting degree of depth 182 about 40 mils.
With reference to Figure 16 and 17, another closing panel 190 shown here, it is similar to aforesaid closing panel generally, and just plate 190 has chamfered edge 192,194, perhaps can see chamfered edge 192,194 better by reference Figure 17, Figure 17 is a partial end view of plate 190.
Although invention has been described in conjunction with a plurality of features,, within the spirit and scope of the present invention, can make amendment to these examples easily for those skilled persons in the art.In view of aforementioned discussion, in the art relevant knowledge and in front in conjunction with background technology with describe the list of references that part was discussed in detail, can think to need not to be described further, wherein by reference disclosed content in the described list of references all is incorporated into the present invention.
Claims (25)
1. beverage closure that is used for cup, this beverage closure is made by polymeric material and is comprised:
A) hot formed domed member, described domed member comprises:
Sidewall and roof, described roof has upper surface and lower surface,
The post hole,
Be positioned at this top wall circumference place consumption aperture and
The a pair of slideway that is folded down from the lower surface of this roof, wherein each slideway has the profile of S shape basically, the profile of the S shape of slideway has and the adjacent vertical basically part of part that curves inwardly, and this part that curves inwardly is adjacent with a substantially horizontal part; With
B) hot formed elongated closed plate, this elongated closed plate have opposed trip edge along its length, have and begin the upwards upper surface and the drinking hole sealing region of the projection of projection from it; Wherein:
Described domed member and elongated closed plate are constructed such that the opposed trip edge on the described elongated closed plate is slidingly mounted on the slideway that is positioned on the described roof downside, so that the described consumption aperture of Reclosable ground sealing;
Described projection is by the post hole that the is arranged in described roof projection that makes progress,
The feature of described elongated closed plate also is, described projection can be substantially along radial displacement in described slideway, so that between a sealing station and an open position, move, wherein at described sealing station, the sealing area of described elongated closed plate seals up described consumption aperture, at described open position, the internal communication of described consumption aperture and domed member
This elongated closed plate seals up described post hole when described elongated closed plate is in sealing station,
Described lid is disposable.
2. lid according to claim 1 is characterized in that, described slideway is basically across the roof of described domed member.
3. lid according to claim 1 is characterized in that, the parallel undercutting groove of cardinal principle that forms between the bottom that described slideway is included in these slideways and the lower surface of described roof.
4. lid according to claim 3 is characterized in that, described undercutting groove is configured to the setting of scallop shape along their longitudinal direction, limits the groove of the undercutting degree of depth with variation.
5. lid according to claim 3, it is characterized in that, described elongated closed plate is flat basically, and the opposed trip edge of described elongated closed plate has and the substantially the same thickness of described elongated closed plate, and the undercutting groove engagement parallel with the cardinal principle in the described slideway.
6. lid according to claim 3, it is characterized in that, the opposed trip edge of described elongated closed plate is provided with hot formed chimb, the profile of these chimbs is shaped as above at least a portion of these chimbs and the corresponding profile of the parallel undercutting groove of the cardinal principle of described slideway, with the way of contact of face face and described undercutting groove engagement.
7. lid according to claim 6, it is characterized in that, the opposed joint chimb of described elongated closed plate has the profile of S-shaped shape basically, and the outline of the S shape of the profile of this S shape of the opposed joint chimb of described elongated closed plate and described slideway.
8. lid according to claim 6 is characterized in that, when being installed in described elongated closed plate in the described slideway, limits air gap between the profile of the shape of S basically of the joint chimb of described elongated closed plate and slideway.
9. lid according to claim 3 is characterized in that, the described opposed trip edge of described elongated closed plate is the longitudinal edge of cutting sth. askew.
10. lid according to claim 9 is characterized in that, described longitudinal edge of cutting sth. askew limits one 5 degree to 15 mis-cut angles of spending with respect to the upper surface of described elongated closed plate.
11. lid according to claim 3 is characterized in that, described undercutting groove has one 0.0508 centimetre to 0.1524 centimetre the undercutting degree of depth.
12. lid according to claim 1 is characterized in that, the length of described elongated closed plate be described domed member diameter length 1/2 to 3/4.
13. lid according to claim 1 is characterized in that, the area of described elongated closed plate be described roof area 5% to 25%.
14. lid according to claim 1 is characterized in that, the area of described elongated closed plate be no more than described roof area 30%.
15. lid according to claim 1 is characterized in that, described elongated closed plate has and is at least 1.5 aspect ratio.
16. lid according to claim 1 is characterized in that, described elongated closed plate has and is at least 3 aspect ratio.
17. lid according to claim 1 is characterized in that, described slideway has the undercutting groove that the outer wall by its inwall and positive pattern draft forms.
18. lid according to claim 17 is characterized in that, the outer wall of described slideway has a camber profile.
19. lid according to claim 1, it is characterized in that, the upper surface of described roof limits the groove and the bizet that have groove surfaces, the height of described bizet above near the groove surfaces that is positioned at it is H, described groove and bizet are suitable for receiving the bottom of a cup, a plurality of cups that have lid can be piled up securely mutually thus.
20. lid according to claim 19 is characterized in that, described bizet has a roof that has the arch upper surface.
21. lid according to claim 20 is characterized in that, the roof of described bizet has 0.06350 centimetre to 0.254 centimetre radius of curvature.
22. lid according to claim 19 is characterized in that, described bizet has a highly littler notch part, and this notch part is positioned at the groove surfaces top of radially aiming at described consumption aperture.
23. lid according to claim 22 is characterized in that, the notch part of described bizet has an arch upper surface.
24. lid according to claim 22 is characterized in that, described notch part has the height of 0.75H to 0.95H above described groove surfaces.
25. lid according to claim 1, it is characterized in that, described elongated closed strip has an air extractor vent, this air extractor vent is positioned such that when described elongated closed plate is shown in an open position, the internal communication of described post hole and domed member, give described internal ventilation at this open position thus, beverage is consumed helping.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100596960A CN101037153B (en) | 2006-03-17 | 2006-03-17 | Cup cover capable of reclosure |
| HK08101378.2A HK1110564A1 (en) | 2006-03-17 | 2008-02-05 | Reclosable cup lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100596960A CN101037153B (en) | 2006-03-17 | 2006-03-17 | Cup cover capable of reclosure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101037153A CN101037153A (en) | 2007-09-19 |
| CN101037153B true CN101037153B (en) | 2011-05-25 |
Family
ID=38888373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100596960A Expired - Fee Related CN101037153B (en) | 2006-03-17 | 2006-03-17 | Cup cover capable of reclosure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101037153B (en) |
| HK (1) | HK1110564A1 (en) |
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| US8430268B2 (en) * | 2010-05-27 | 2013-04-30 | David Weiss | Lid having a circumferential rim with a plurality of annular ribs |
| CH705186A2 (en) * | 2011-06-17 | 2012-12-31 | Joulia Ag | Shower tray with a heat exchanger and method for producing a shower tray. |
| CN102974137A (en) * | 2012-11-30 | 2013-03-20 | 苏州原点工业设计有限公司 | Filter cup convenient for injecting water |
| CN102989211A (en) * | 2012-11-30 | 2013-03-27 | 苏州原点工业设计有限公司 | Filtering cup with good sealing property |
| USD751338S1 (en) | 2015-11-04 | 2016-03-15 | Yeti Coolers, Llc | Lid |
| USD804905S1 (en) | 2015-08-31 | 2017-12-12 | Yeti Coolers, Llc | Container |
| USD808218S1 (en) | 2015-08-31 | 2018-01-23 | Yeti Coolers, Llc | Container |
| USD751341S1 (en) | 2015-11-04 | 2016-03-15 | Yeti Coolers, Llc | Lid |
| US10232993B2 (en) | 2015-10-30 | 2019-03-19 | Yeti Coolers, Llc | Closure and lid and method of forming closure and lid |
| BR112018008820B1 (en) | 2015-10-30 | 2022-09-06 | Yeti Coolers, Llc | CLOSURE AND COVER AND CLOSURE AND COVER FORMATION METHOD |
| CN106719514A (en) * | 2016-12-16 | 2017-05-31 | 朱利 | Can be secondary use in the coffee/beverage cup lid of trapping fly |
| JP7316356B2 (en) * | 2018-10-23 | 2023-07-27 | イエティ クーラーズ エルエルシー | Closures and Lids and Methods for Forming Closures and Lids |
| USD964102S1 (en) | 2019-10-09 | 2022-09-20 | Yeti Coolers, Llc | Tumbler |
| USD982973S1 (en) | 2019-10-09 | 2023-04-11 | Yeti Coolers, Llc | Tumbler |
| CN111498292A (en) * | 2020-04-09 | 2020-08-07 | 刘文钦 | Preformed cup cover and preparation method thereof |
| CA3126643A1 (en) * | 2020-08-04 | 2022-02-04 | Sully Innovations Inc. | Lid for container |
| USD982982S1 (en) | 2020-10-01 | 2023-04-11 | Yeti Coolers, Llc | Tumbler |
| USD977912S1 (en) | 2020-10-01 | 2023-02-14 | Yeti Coolers, Llc | Tumbler |
| US11760544B2 (en) * | 2020-10-14 | 2023-09-19 | Helen Of Troy Limited | Closeable tumbler lid |
| CN113562338A (en) * | 2021-08-31 | 2021-10-29 | 孟州市高新技术公共服务有限责任公司 | Sample storage device for food detection |
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| US5458256A (en) * | 1994-04-19 | 1995-10-17 | May-Wes Manufacturing, Inc. | Slide lid |
| FR2780385A1 (en) * | 1998-06-26 | 1999-12-31 | Lorraine Laminage | Metal cover for a drinks bottle |
| US6732875B2 (en) * | 2001-08-06 | 2004-05-11 | Solo Cup Company | Reclosable container lid |
| US6824003B1 (en) * | 2003-04-07 | 2004-11-30 | Double Team Inc. | Disposable lid for drinking cup having a retractable drinking opening |
-
2006
- 2006-03-17 CN CN2006100596960A patent/CN101037153B/en not_active Expired - Fee Related
-
2008
- 2008-02-05 HK HK08101378.2A patent/HK1110564A1/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5458256A (en) * | 1994-04-19 | 1995-10-17 | May-Wes Manufacturing, Inc. | Slide lid |
| FR2780385A1 (en) * | 1998-06-26 | 1999-12-31 | Lorraine Laminage | Metal cover for a drinks bottle |
| US6732875B2 (en) * | 2001-08-06 | 2004-05-11 | Solo Cup Company | Reclosable container lid |
| US6824003B1 (en) * | 2003-04-07 | 2004-11-30 | Double Team Inc. | Disposable lid for drinking cup having a retractable drinking opening |
Non-Patent Citations (1)
| Title |
|---|
| US00D402556S 1998.12.15 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101037153A (en) | 2007-09-19 |
| HK1110564A1 (en) | 2008-07-18 |
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