TWI275534B - Reclosable pouring element for opening and reclosing packages, method for its manufacture and a package provided therewith - Google Patents

Reclosable pouring element for opening and reclosing packages, method for its manufacture and a package provided therewith Download PDF

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Publication number
TWI275534B
TWI275534B TW92106379A TW92106379A TWI275534B TW I275534 B TWI275534 B TW I275534B TW 92106379 A TW92106379 A TW 92106379A TW 92106379 A TW92106379 A TW 92106379A TW I275534 B TWI275534 B TW I275534B
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TW
Taiwan
Prior art keywords
pouring element
pouring
film
cover
opening
Prior art date
Application number
TW92106379A
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English (en)
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TW200304889A (en
Inventor
Dr Jorg Berger
Matthias Dammers
Heinz Jansen
Franz-Willi Spelten
Original Assignee
Sig Combibloc Sys Gmbh
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Publication of TW200304889A publication Critical patent/TW200304889A/zh
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Publication of TWI275534B publication Critical patent/TWI275534B/zh

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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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from the container
    • B65D5/747—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall
    • B65D5/749—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall a major part of the container wall or membrane being removed from the container after the opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
    • B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
    • B29C66/30223—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
    • B29C66/4742—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat said single elements being spouts
    • B29C66/47421—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat said single elements being spouts said spouts comprising flanges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14008—Inserting articles into the mould
    • B29C45/14016—Intermittently feeding endless articles, e.g. transfer films, to the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/472—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72321—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7234—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0065—Permeability to gases
    • B29K2995/0067—Permeability to gases non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
    • B29L2031/565—Stoppers or lids for bottles, jars, or the like, e.g. closures for containers

Description

1275534 玖、發明說明： L發明戶斤屬之技術領域3 本發明有關於一用於開啟及再關閉包裝體之可再關閉 傾注元件，特別是長方形多層複合包裝體，其具有一包含 5 一圓周凸緣及一撓性接合的蓋之基體部，並且有關於其製 造方法以及一設有該傾注元件之包裝體。 L先前技術】 在複數項實施例中已知具有構成為多層複合包裝體之 飲料包裝體，譬如，平頂式複合包裝體。其主要使用於與 10 冷、冷殺菌、熱及無菌充填等相關之液體包裝領域中。 為了改良此等複合包裝體之處理且特別是使其可再關 閉，日益增加對於複合包裝體提供可再關閉傾注元件。這 些傾注元件可以一或數件取出且概括具有一開啟元件及一 蓋。現今，市面上的此等包裝體幾乎一律具有可再關閉傾 15 注元件。 譬如，歐洲專利EP 0 580 593 B1號揭露一種多層複合 包裝體，其設有一用以首次開啟包裝體的傾注元件且配備 有一適當的鎖合元件藉以將其再關閉。在包裝體的複合材 料之卡紙層及外聚乙烯層的區域中，提供一凹痕以弱化三 20 角牆材料，其中使一單件式接合至傾注元件之開啟元件壓 入包裝體材料中以開啟包裝體。亦已知設有包含螺旋鎖合 件之傾注元件之包裝體。 部份的傾注元件係具有一位於傾注開口上方的基體部 内且穩固地密封在其上之拉片，必須藉由拉動遠離基體部 1275534 來移除此拉片藉以首次開啟包裝體（歐洲專利EP ◦ 750 564 B1)。然而，纽例巾，内聚乙稀層時常無法滿意地移除， 且撕掉的拉片亦構成_分開拋棄的廢物。 ϋ傾左元件之一項問題在於為了使整體傾注開口達 成可靠的開啟作用，必須充分地弱化多層複合包裝體。黏 在包裝體上的傾注元件係配置於-概括藉由將多層複合材 料的外層予以穿孔而形狀弱化區上方；這必定導致複合 實際開啟前具有制的障縣現，但因為在開啟: 10 15 ^ 傾/主7L件的_開啟元件必須破壞其餘層故需使傾 庄凡件具有特定的最小尺寸(整體高度）。—，若傾注 配置於上方ρ田_ ^ 、 溥斌乙稀層密封的多層複合材料中之一 傾注開口上方 曰丨 万則即使對於小整體高度仍利於進行開啟程 此包衣體對於香味損失或光或氧氣之貞面影響並未 具有適當的障壁性質。 【發明内容】 匕本發明之目的係構成及進一步研發先前詳細描 述及初步指定之傾注元件，使其所設有之包裝體即使傾注 兀件具有小的整體高度仍可在包裝體首次開啟之前保持良 子的Ρ早差性質。進一步希望令此傾注元件應該不需要分開 的可棄式部份即可使用。 幵 藉由在其傾注開口的區域中具有一板之基體部來達成 此目的’该板的輪廓大致對應於傾注開口的輪廓，此板藉 由至J 一開縫與凸緣呈分離狀配置且其底側與凸緣底側呈 1片平’其中蓋係穩固地連接至板使得蓋同時作為一問啟^ 20 1275534 元件，且其中基體部及板皆具有一障壁層，此障壁層與凸 緣的平面呈平行延伸且覆蓋住開缝。
根據本發明，在身為基體部的一部份之傾注元件進行 射出成型期間，板係藉由一細開縫與其分離。板及蓋係合 5 併形成一穩固的接合部，譬如在數個點加以黏平或超音波 熔接。因為基體部的凸緣及板設有一障壁層，設有根據本 發明的此傾注元件之包裝體係保持其良好的障壁性質。在 傾注開口的區域中，包裝體的經弱化性質係某種程度地被 施加於該處且設有一障壁層之傾注元件所“修復”。 10 為了首次開啟根據本發明之此傾注元件，將蓋從基體 部及板往上升高，但其中膜係位於蓋的下方而在首次開啟 之前一直密封住包裝體的傾注開口，並由於平坦接合的緣 故而精確地遵循輪廓加以移除。利用此方式，不但生成一 經界定的傾注開口中，此開口亦可靠地運作而不形成任何 15 分開拋棄之可棄式部份。亦可確實使具有被撕出的連接件 之蓋受到可靠的再關閉。
因為板與蓋等兩個元件皆被熔接且較佳為超音波熔 接，使得一穩固的接合部形成於板與蓋之間。 本發明的另一原理係使基體部具有一大致與凸緣呈垂 20 直延伸之圓周交叉件，此圓周交叉件係在關閉狀態中以密 封方式接收此蓋，其中特別適於使蓋鎖入相對於基體部之 位置中。此處，可以聽覺方式達成鎖定作用藉以告訴使用 者依此方式再關閉的包裝體係已緊密地關閉，所以譬如可 加以搖晃。 8 1275534 在本發明的另一有利實施例中，提供一用於將基體部 與蓋予以撓性連接之鉸鏈，其可配置於基體部上或另行配 置於蓋上。利用一膜鉸鏈來達成特別低的整體高度。 根據本發明的另一實施例，所採用之膜的障壁層譬如 5 係由一乙烯乙烯醇共聚物(EVOH)、聚乙烯(PE)、聚醯胺或 鋁箔或該等材料之一混合物所組成。 根據本發明的另一原理，基體部及/或蓋可具有一原創 的密封件，其可告知使用者一包裝體是否在預定的使用之 前未經准許即已打開。基於此原因，譬如，基體部及蓋可 10 形成有一作為預定破裂點之連接交叉件。 最後，根據本發明的另一有利實施例，基體部及蓋可 製成單件式。在此例中，兩元件皆由單一射出程序製成， 且在板與蓋接合之前移除了用於將其連接之毛邊。 藉由根據本發明之第二製造方法，傾注元件的基體部 15 係由一熱源所啟動且由一靜態壓模接合至膜。在此例中， 可在傾注元件與膜之間供應熱能，或者在膜底下供應熱能 亦另為可行的方式。在此例中，膜係由熱源發射的能量所 穿透。 在密封表面塑化之後，膜及基體部的底側係接合在一 20 起而無任何囊袋。較佳使用卷狀物(roll goods)作為膜。傾 注元件的分離可藉由沖製方式直接發生於與膜接合之後， 或亦可發生於充填機中實際施加傾注元件之前。該最後提 及的可能方式之一顯著優點在於：若膜條上的傾注元件配 置於固定位置中，則可完全不用在傾注元件供應至施加器 1275534 前之一項部份極為複雜的分類程序。 根據一替代性製造方法，可使膜身為一由一卷所製成 之膜條且將此膜條拉過用於傾注元件之射出成型壓模，使 得傾注元件射出至膜上而無任何囊袋。在此例中，基體部 5 的凸緣及位於其中的板係接合至障壁膜。在此製造方法 中，傾注元件亦可在射出成型壓模附近沖製，藉以進一步 處理成為鬆弛的散裝物件或在施加於膜條上之前保持原 狀。
圖式簡單說明 10 下文參照用於顯示較佳實施例之圖式來詳細地描述本 發明，其中： 第1圖為根據本發明之一傾注元件的一實施例之俯視 圖，其處於關閉狀態； 第2圖為第1圖的傾注元件之立體圖； 15 第3圖為第1圖的傾注元件之仰視圖； 第4圖為第1圖的傾注元件之縱剖視圖；
第5圖為第4圖的傾注元件之縱剖視圖，但其處於開啟 狀態； 第6圖為根據本發明之一傾注元件的第二實施例之橫 20 剖視圖； 第7圖為根據本發明.之另一傾注元件的示意俯視圖，其 具有一施加至一膜之基體部； 第8圖為根據本發明之另一傾注元件的立體圖，其施加 至一膜；及 10 12755:免9竺06379 請案說明書修正頁20Q5年1〇月 ~~~~ —~ ~- _ 第9圖為根據本發明之另一傾注元件的立體圖，其射出. 至一膜上。 ’、 , 方包式】 弟 固_示不具有障壁層以便說明之一根據本發明 5的傾注兀件。傾注元件具有-基體部1，基體部1具有一 B] . 周凸緣2及一撓性接合至基體部丨之蓋3。特別是可從下圖） 看出，在基體部1内設置-板4，此板4的尺寸對應於後續的 倾’主開口且其在圖示及目前較佳的實施例中藉由四個交 又件S連接至基體部的圓周凸緣2。為了便利進行開啟程 0 序板4 /、有楔形升尚部5，如圖4所示，藉以緊固一抓片 6,抓片6具有一設置於其自由端底側且對於蓋3略呈一角度 之未詳述的波褶部。 如圖3所示，板4由一開縫7圍繞，開縫7只在交叉件s 的區域被中斷。因為板4穩固地接合至蓋3，以抓片6作為輔 15助開啟蓋3將導致交叉件S的破裂及從基體部1釋放出板4。 為了在開啟期間不使蓋3從基體部1完全移除，圖中蓋3 的右方部份係藉由一連接元件9穩固地接合至基體部丨。在 0 連接元件9與實際的蓋3之間，配置有一鉸鏈8且其較佳構成 為一膜绞鍵。 20 第4及5圖顯示先前詳細描述的根據本發明之傾注元件 的縱剖視圖，此傾注元件係已經接合至一全對稱性配置於 基體部1底側之膜10。可從圖5清楚地看出，當藉由致動抓 片6來使根據本發明之傾注元件的蓋3首次開啟時，在板4底 下穩固地接合之膜10的膜件係精確地遵循輪廓而拉出膜複 11 1275534 92106379號專利申請案說明書修正頁2005年10月 合物外。 第6圖顯示一替代性實施例，其中在蓋3’與基體部Γ超 音波熔接之前，位於蓋3’與板4及連接元件9’與基體部Γ之 間的能量導向器可確保熔接期間具有穩固的接合作用。 5 可從第1圖及第4至6圖進一步得知，在圓周凸緣2上方 設置有一圓周能量導向器11，藉以在經由未圖示的多層複 合包裝體中的一開口從下方推動之傾注元件的施加期間， 達成一密封的單元。
原則上，圖7再度顯示一製成單件式之傾注元件，其中 10 蓋3經由一未詳述的交叉件接合至基體部，且必須在蓋3與 板4合併前移除此交叉件。在此同時，亦顯示一條的膜10， 其中基體部1、蓋3及膜10可以單一工作步驟達成接合。這 顯示於圖8中，其中將條狀膜10顯示為卷狀物，且藉由一壓 模13來接合被一熱源12啟動之元件。 15 最後，圖9顯示亦可能將該條膜10拉動經過一僅示意顯
示之開啟的射出成型壓模14。藉由一位於射出成型壓模14 内之適當的滑件15，可在模子開啟之前確實地釋放出傾注 元件的過切部。此處，亦可能同時利用開啟及關閉射出成 型壓模14之移動來沖製成射出至膜10上之傾注元件，應如 20 同沖製的表面16所顯示。 【圖式簡單說明】 第1圖為根據本發明之一傾注元件的一實施例之俯視 圖，其處於關閉狀態； 第2圖為第1圖的傾注元件之立體圖； 12 127553缉92106379號專利申請案說明書修正頁2005年ίο月 第3圖為第1圖的傾注元件之仰視圖； 第4圖為第1圖的傾注元件之縱剖視圖； 第5圖為第4圖的傾注元件之縱剖視圖，但其處於開啟 狀態； 5 第6圖為根據本發明之一傾注元件的第二實施例之橫 剖視圖； 第7圖為根據本發明之另一傾注元件的示意俯視圖，其 具有一施加至一膜之基體部；
第8圖為根據本發明之另一傾注元件的立體圖，其施加 10 至一膜；及 第9圖為根據本發明之另一傾注元件的立體圖，其射出 至一膜上。 【圖式之主要元件代表符號表】 11.. .圓周能量導向器 12…熱源 13…壓模 14.. .射出成型壓模 15…滑件 16.. .沖製的表面
1,1’...基體部 1A，S...交叉件 2.. .圓周凸緣 3,3，···蓋 4···板 5.. .楔形升高部 6.. .抓片 7.. .開縫 8,8’ ...鉸鏈 9,9’...連接元件 10.·.膜 13

Claims (1)

  1. 令牌ιδ軺fe諱(楚)正本 拾、申請專利範圍·· 1 第92咖79號專利申請冑申請專利範圍修正本讓年谷月 h Z種用於開啟及再關閉包裝體之可再關閉傾注元件，該包 $體特別是長方形多層複合包裝體，該可再關閉傾注元件 /、有包含一圓周凸緣（2)及一撓性接合的蓋（3)之基體部 (1)孩可再關閉傾注元件的特徵為在其傾注開口的區域 中忒基體部（1)具有一板（4)且該板（4)的輪廓大致對應於 該傾注開口的輪廓，該板（4)藉由至少一開縫（7)與該凸緣（2) 相隔配置且该板（4)的底側與該凸緣（2)的底側呈齊平，以及 忒盍（3)係穩固地連接至該板（4)使得該蓋（3)同時作為一開 啟元件且該基體部（1)及該板（4)皆具有一包含一障壁層之 膜（10)，其中該障壁層與該凸緣的平面呈平行延伸且覆蓋 住該開縫（7)。 2·如申請專利範圍第丨項之傾注元件，其中該板（4)熔接至該 蓋（3)，且較佳為超音波熔接。 3·如申請專利範圍第2項之傾注元件，其中該基體部（1)具有 一繞行該傾注開口且大致與該凸緣呈垂直延伸之交叉 件（1A)，且該交叉件（1A)在關閉狀態中以一密封方式接收 該蓋（3)。 4·如申請專利範圍第3項之傾注元件，其中該蓋（3)可鎖入相 對於該基體部（1)之位置中。 5·如申請專利範圍第1至4項中任一項之傾注元件，其中提供 一用於撓性連接該基體部（1)與該蓋（3)之鉸鏈（8)以及將該 较鏈（8)配置於該蓋（3)中。 1275534 6. 如申請專利範圍第1至4項中任-項之傾注元件，其t提供. -用於心/·生連接该基體部（1,)與該蓋（3，）之鉸鍵（8，）以及將 該鉸鏈（8，）配置於該基體部（1，）上。 7. 如申請專利範圍第5項之傾注元件，其中該欽鍵（8,8，）構成 為一膜鉸鏈。 8·如申明專利範圍第6項之傾注元件，其中該鉸鏈（8,8，）構成 為一膜鉸鏈。 9·如申a專利範圍第1項之傾注元件，其中該膜（ι〇)的障壁層 由一乙烯乙烯醇共聚物（EVOH)所組成。 10·如申明專利範圍第1項之傾注元件，其中該膜（10)的障壁層 為一紹箱。 U·如申請專利範圍第1項之傾注元件，其中該膜（10)的障壁層 為一聚乙稀（PE)膜。 12·如申明專利範圍第1項之傾注元件，其中該膜（10)的障壁 層由聚醯胺（PA)所組成。 13·如申請專利範圍第丨項之傾注元件，其中該膜（1〇)的障壁層 由申請專利範圍第9至12項指定之材料的一混合物所組成。 14·如申請專利範圍第i項之傾注元件，其中對於該障壁層提供 之該膜（10)係以卷狀物使用。 I5·如申請專利範圍第i項之傾注元件，其中該基體部及/或該 盖具有一原創的密封件。 I6·如申請專利範圍第丨項之傾注元件，其中將該基體部及/或 該蓋製成單件式。 17·一種用於製造根據申請專利範圍第1項之傾注元件之方 1275534 二、^為。亥傾注凡件的基體部⑴係藉由一熱源（η)啟 動且藉由-靜態的壓模〇3)接合至該膜⑽。 18.如申請專利範圍第17項之方法，纟中在該傾注元件與該膜 之間供應熱能。 19 ·如申請專利筋_笛！ 弟17員之方法，其中在該膜（1〇)下方供應 熱能。 2〇.了種用於製造根據申請專利範圍第1至4項中任-項之傾注 兀件方法，其特徵為該膜（1〇)為一從一卷供應之膜條且 將該膜條拉動通過該用於傾注元件之射出成型壓模（Η)使 得該傾注元件的圓周凸緣⑺及板⑷射出至該膜上而益囊 袋產生。 ~ 21. 如申請專利範圍第17至19項中任—項之方法，&中該傾注 元件保持位於-膜條的障壁材料上且只在其於充填機中實 際施用之前才分離。 22. -種包裝體’其特別是—長方形多層複合包襄體，且該包 裝體配合使用-根據巾請專利範圍第項中任—項之傾 注元件，該包裝體之特徵為具有一開口，該開口的形狀大 致對應於該蓋的形狀，以及該傾注元件與其圓周凸緣係附 接至该多層複合材料的内側。 1275534 柒、指定代表圖： (一） 本案指定代表圖為：第（1 )圖。 (二) 本代表圖之元件代表符號簡單說明： 1.. .基體部 3···蓋 6.. .抓片 8.. .鉸鏈 9…連接元件 11.. .圓周能量導向器 捌、本案若有化學式時，請揭示最能顯示發明特徵的化學式：
TW92106379A 2002-03-22 2003-03-21 Reclosable pouring element for opening and reclosing packages, method for its manufacture and a package provided therewith TWI275534B (en)

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BRPI0408938B1 (pt) * 2003-03-26 2016-09-06 Sig Technology Ag Sig Technology Ltd fechamento de entornador baixo, plano com elemento de rompimento de laminado ou película para embalagens compostas ou aberturas de recipiente, as quais estão fechadas com uma película espessa
NL1026794C2 (nl) 2004-08-05 2006-02-07 Weasy Pack Internat Ltd Schenkverpakking en schenkorgaan.
DE102006055236A1 (de) * 2006-09-22 2008-04-03 Fischbach Kg Kunststoff-Technik Verpackungsbehälter und Verfahren zu seiner Herstellung
DE102010033464B4 (de) * 2010-08-05 2012-09-06 Sig Technology Ag Aus einem Behälterrohling geformter Behälter mit verbesserten Öffnungseigenschaften durch Streckwärmebehandlung von Polymerschichten
EP2889231A1 (en) * 2013-12-30 2015-07-01 Tetra Laval Holdings & Finance SA Packaging material and packaging container having an opening device made therefrom

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ATE307763T1 (de) 2005-11-15
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