TW201008841A - Lid with barrier property - Google Patents
Lid with barrier property Download PDFInfo
- Publication number
- TW201008841A TW201008841A TW098113780A TW98113780A TW201008841A TW 201008841 A TW201008841 A TW 201008841A TW 098113780 A TW098113780 A TW 098113780A TW 98113780 A TW98113780 A TW 98113780A TW 201008841 A TW201008841 A TW 201008841A
- Authority
- TW
- Taiwan
- Prior art keywords
- layer
- cover
- innermost
- polyethylene
- weakened
- Prior art date
Links
- 230000004888 barrier function Effects 0.000 title claims abstract description 33
- 239000010410 layer Substances 0.000 claims abstract description 155
- -1 polyethylene Polymers 0.000 claims abstract description 33
- 239000011888 foil Substances 0.000 claims abstract description 30
- 239000011347 resin Substances 0.000 claims abstract description 29
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- 239000004698 Polyethylene Substances 0.000 claims abstract description 26
- 229920000573 polyethylene Polymers 0.000 claims abstract description 26
- 239000000565 sealant Substances 0.000 claims abstract description 19
- 239000012790 adhesive layer Substances 0.000 claims abstract description 7
- 229920013716 polyethylene resin Polymers 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 239000010408 film Substances 0.000 description 8
- 235000021539 instant coffee Nutrition 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 229920001684 low density polyethylene Polymers 0.000 description 7
- 239000004702 low-density polyethylene Substances 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 230000004927 fusion Effects 0.000 description 6
- 235000019645 odor Nutrition 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920000092 linear low density polyethylene Polymers 0.000 description 4
- 239000004707 linear low-density polyethylene Substances 0.000 description 4
- 229940099514 low-density polyethylene Drugs 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 235000013353 coffee beverage Nutrition 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- BQJCRHHNABKAKU-KBQPJGBKSA-N morphine Chemical compound O([C@H]1[C@H](C=C[C@H]23)O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4O BQJCRHHNABKAKU-KBQPJGBKSA-N 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 244000269722 Thea sinensis Species 0.000 description 1
- 244000299461 Theobroma cacao Species 0.000 description 1
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000009820 dry lamination Methods 0.000 description 1
- 235000015114 espresso Nutrition 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 235000013882 gravy Nutrition 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000013575 mashed potatoes Nutrition 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229960005181 morphine Drugs 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 235000008476 powdered milk Nutrition 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- B65D51/00—Closures not otherwise provided for
- B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
- B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
- B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure
- B65D51/221—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- 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
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/38—Devices for discharging contents
- B65D25/40—Nozzles or spouts
- B65D25/42—Integral or attached nozzles or spouts
-
- 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
- B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
- B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
- B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
- B65D77/2044—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure
- B65D77/2048—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut
- B65D77/2056—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut the cover being weakened
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/582—Tearability
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2435/00—Closures, end caps, stoppers
-
- 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
- B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
- B65D2577/10—Container closures formed after filling
- B65D2577/20—Container closures formed after filling by applying separate lids or covers
- B65D2577/2075—Lines of weakness or apertures
- B65D2577/2091—Lines of weakness or apertures in cover
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Packages (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
Description
201008841 六、發明說明: 【發明所屬之技術領域】 本發明係關於-種待黏附至(例如)紙杯之口部 箱及塑膠薄片之層壓結構形成的蓋。 ·屬 〆β 又丹趙s之’本發明 係關於-種能夠附著至紙杯並密封紙杯以維持屏障性質且 藉由按壓及撕裂易於打開的蓋。 【先前技術】 待藉由撕裂打開之許多蓋(諸如,藉由由吸管刺穿而打 開之彼等蓋)已被開發出並商業化。此外,已進行許多提 議以試圖藉由穿孔、斷裂線或切割線來促進打開蓋。大體 而言,紙杯之蓋經設計以在覆蓋階狀物之最内層中具有厚 密封層,使得蓋在其附著至紙杯時可密封紙杯之凸緣或卷 曲上的階狀物。對於紙杯而言,將矩形紙捲成筒,或將形 狀為扇形之紙捲成倒置之圓形截錐體,且相對端經疊置, 且經疊置部分用作接合部分。若開口具有凸緣或卷曲,則
階狀物產生於經疊置部分上’階狀物在維持氣密性中為麻 煩的。因此’蓋之最低層中之樹脂層經加厚以維持氣密 性。 此外’如同在以下日本公開案中,熱熔融層常常用作用 於紙杯之蓋中的最内層:註冊實用新型公開案第3035303 號 '實用新型申請公開案第06-085295號、專利申請公開案 第2002-104515號、專利申請公開案第09-110077號、專利 申請公開案第06-001375號、專利申請公開案第06-320278 號、實用新型申請公開案第07-017762號。 1400ll.doc 201008841 然而,將藉由吸管刺穿以進行撕裂之上文所提及之習知 蓋的實施例並未經組態以很大程度上打開,且可能視撕裂 蓋之方式而產生蓋之破裂碎片以引起諸如誤飲的意外事 故。在最内層中之樹脂層為厚的以便覆蓋杯之凸緣或卷曲 處之階狀物的狀況下’由於蓋之厚度,撕裂並打開蓋係相 當困難的。此外,若使用熱熔融層,則可能存在熱熔融之 清潔問題(產生熱熔融的殘餘物)。此外,亦存在以下問 題:熱熔融層在其暴露至高溫環境的情況下經熔融以意外 地打開,及為熱熔融層所特有之氣味使產品價值降級。 為了解決此等問題,本發明之一目標為提供一種具有非 常優於習知產品之屏障性質的屏障性質、針對杯之穩定密 封性質且易於打開的蓋。 【發明内容】 本發明係關於一種具有屏障性質之蓋,該蓋包含: ——作為最内層之樹脂層,該樹脂層包括一聚乙稀密封劑 層’ -一金屬箔層,其經由黏附層附著至最内層的外部, 最内層具備自中心徑向延伸的複數個經弱化之部分。 經弱化之部分允許最内層以及金屬箔層被撕裂,藉此促 進打開蓋。經弱化之部分可為穿孔或切割線。較佳地,經 弱化之部分的數目為至少三個,且經弱化之部分經圓周配 置以圍繞中心點產生同—中心角。 根據一較佳實施例,最内層可包含兩個内部層: -作為最低内部層之聚乙稀密封劑層中的—者,及 140011.doc 201008841 •提供於最低内部層上之擠製聚乙烯樹脂層中的一者。 根據另一較佳實施例,金屬箔層可包含兩個内部層: -作為最低内部層之樹脂層中的一者,及 •提供於該最低内部層上之金屬箔中的一者。 根據另一較佳實施例,蓋包含最内層與金屬箔層之間的 一中間紙層。 實際上,為了解決上文所提及之技術問題,本發明係關 於一種具有屏障性質之蓋,該蓋包含:一作為最内層之樹 月曰層’該樹脂層包括一聚乙烯密封劑層;一金屬箔層,其 經由黏附層附著至最内樹脂層的外部,最内層具備自中心 ^向延伸之複數個經弱化之部分,且經弱化之部分允許最 内層以及金屬箔層被撕裂,藉此促進打開蓋。樹脂層包括 一聚乙烯密封劑層。金屬箔層經由黏附層附著至最内樹脂 層的外部。最内層具備自中心徑向延伸的複數個經弱化之 部分。經弱化之部分允許最内層以及金屬箔層被撕裂,藉 此促進打開蓋。 在較佳實施例中,最内層可包含聚乙烯密封劑層之兩個 内部層: _作為最低内部層之聚乙烯密封劑層中的一者,及 -提供於最低内部層上之擠製聚乙烯樹脂層中的一者。聚 對苯二甲酸乙二酯樹脂層大體提供於擠製聚乙烯樹脂層上 作為黏附劑。在此較佳實施例中,最外層可包含一諸如經 由層(諸如,擠製聚乙烯樹脂層)附著至黏附聚對苯二甲酸 乙二酯樹脂層之外部之鋁箔的金屬箔。 14001l.doc 201008841 ’座弱化之σρ分可為穿孔或切割線。較佳地由穿孔或切 J線形成之複數個(較佳3至8個)經弱化之部分提供於最内 層中’以便自中心徑向延伸。根據一較佳實施例經弱化 之β刀的數目為至少二個,且經弱化之部分經圓周配置以 圍繞中。點產生同一中心角。此等經弱化之部分通過密封 劑層及作為黏附層之擠製聚乙婦樹脂層,並到達聚對苯二 甲酸乙二醋樹脂層。經弱化之部分使得最内層以及金屬羯 能夠被撕裂,藉此促進打開蓋。 在此具有屏障性質之蓋中,最外層之金屬箱成功地確保❹ 屏障性質。若外力施加至徑向提供於最内層中之經弱化之 部分以使經弱化之部分破裂,則蓋易於沿經弱化之部分自 中心至邊緣分開並撕裂成扇形。此外’因為最内層具有聚 乙烯密封劑層’所以若其用於紙杯,則有可能藉由覆蓋產 生於杯之凸緣或卷曲上的階狀物而達成氣密性。此外,因 為未使用熱熔融,所以在蓋暴露至高溫環境的情況下無熔 融發生,且根本不存在特有氣味。 因此’本發明具有如下有利效應。 _ 根據本發明之具有屏障性f之蓋能夠藉由外部金屬箱層 =確保足夠氣密性,且能夠經按壓而撕裂並藉由提供於内 · 邛層中以便自中心徑向延伸之經弱化之部分(諸如,穿孔 - 或切割線)恰當地防止產生蓋的破裂碎片。此外,因為最 内層具有聚乙烯密封劑層,所以有可能適當地密封杯以足 夠地確保氣密性而無關於杯之凸緣或卷曲上的階狀物。此 外,因為未使用熱熔融,所以有可能獲得穩定之密封能力 1400Jl.doc 201008841 並消除氣味影響。 【實施方式】 在本申請案中,術語「下」 將蓋用於密封容器的情形下指 意謂,蓋之「下」及「最内 放,而蓋之「上」及「外部γ 放。 「最内」、「外部」、「上」在 不元件在蓋内部的位置。其 層較接近容器之内部而置 層較接近容器之外部而置
現將參看圖式詳細解釋 釋將根據本發明之具有屏障性質之 羞應用於用於即溶咖啡再填六 、充之奋器1的實施例。本發明 基本上為待附著至板; n 朴 氏杯之具有屏障性質的蓋,且能夠應用 於猎由撕裂盡而打開之令部杳^ 開之王部貫施例。因此,本發明並不限 於下文描述之實施例的結構。 首先,如圖3及圖4中所示,再填充容器!由以下各項組 成:管狀容器本體2、料斗3、具有屏障性質之蓋4及保護 罩5。容器本體2呈具有底部之圓筒形狀,且由矩形紙張製 成。紙筒由複合層壓薄片形成’纟中順序地且自筒之最外 層向内層壓聚乙烯、鋁箔、聚對苯二甲酸乙二酯及聚乙 稀此係為了兀全阻斷濕氣及氣流。内表面上之聚乙稀樹 脂經提供以允許至蓋4的黏附。運用公眾已知之技術用作 進行處理之手段。舉例而言,使用諸如層壓或塗佈之常用 技術。為了產生容器本體2’具有如上文所提及經處理之 表面的矩形紙張捲成筒,左端及右端兩者經疊置,且經叠 置部分被用作接合部分以達成適當黏附。作為用於黏附之 手段,使用諸如藉由黏附劑進行之黏附或熱熔合黏結的任 1400Il.doc 201008841 何適當已知技術。在上端上,如圖3及圖4中所示,環形捲 曲刀(下文中簡稱為「捲曲部分」)6向外且環形地捲曲。 因此垂直階狀物6Α產生於捲曲部分6之上表面上的經疊 置部刀上。解決階狀物6 Α為重要的,此係因為階狀物6 A 使氣密性降級。 如圖3中所不,筒式料斗3適配至容器本體2之開口部分 2A中。料斗3由與容器本體2之材料相同的材料或具有ο; 薦之厚度的任何適當樹脂材料諸如高密度聚乙烯(HDPE) 或聚丙稀製成。料斗3具有—在其上端上没有向外凸緣的 情況下沿圓周延伸的筆直直立壁3A。直立壁从適配至容 器本體2之開σ部分2种,壁3A之上端置放於與開口部分 2Α之上端的高度相同(亦即,與捲曲部分仏上端面的高度 相同)之高度。 料斗3適配至開σ部分2种,且恰當地固定至開口部分 2Α之内圓周表面同時精確地定位料斗直立㈣,使得漏 斗3Β之上端置放於與直立壁从之上端及容器本體2之開口 部分2Α的高度相同之高度,亦即,使得上端置放於同-平 面中。諸如熱炼合黏結、射頻黏結或使用 段用作用於固定之手段。 取住于 具有屏障性質之蓋4黏附至料斗3的上端。 如圖1中所示,具有屏障性質之蓋4的最内層7為包括聚 乙稀密封劑層S的樹腊層。金屬落薄膜1〇經由黏附著 :最内層7之樹腊層外部的複合薄片用於蓋最 層7具備自其中心徑向延伸之複數個經弱化之部二: 140011.doc 201008841 此允許最内層7以及金屬箔薄膜1 〇易於撕裂以便促進打開 蓋。 現將更具體地解釋上文所提及之結構。最内層7呈現一 係40 μιη聚乙烯(線性低密度聚乙烯:LLDPE)密封劑層8的 最低層,及一層壓於聚乙烯密封劑層8之上表面上的20 μιη 聚乙烯(低密度聚乙烯:LDPE)擠製樹脂薄膜12。9 μιη銘箔 13用於金屬箔層10中,且15 μιη聚乙烯(低密度聚乙烯: LDPE)擠製樹脂薄膜14層壓於鋁箔13的底表面上。最低聚 乙烯密封劑層8及金屬箔層1 〇中之鋁箔13的經層壓樹脂層 12及14經由黏附層9黏附至彼此,以形成複合薄片。除係 諸如層壓及塗佈之常用方法之上文所提及技術外的公眾已 知之技術可在處理此複合層的過程中使用。 聚乙烯密封劑層8之厚度經適當選擇以在30 μιη至2〇〇 μιη 之較佳範圍内’上覆聚乙烯擠製樹脂薄膜12之厚度在5 μιη 至20 μιη範圍内’且金屬箔層10中之鋁箔的厚度在6 μm至 50 μιη範圍内。 如圖3及圖4中所示,上文所提及之蓋4的整體形狀為具 有與容器本體2之開口部分2Α之直徑相同的直徑(例如,約 90 mm)之圓’且其周邊4Α恰當地附著至容器本體2之開口 部分2A的上端(亦即,捲曲部分6的上端表面)》通常,執 行熱熔合黏結。儘管周邊4A可附著至料斗之直立壁3八的 上端面,但周邊4A僅與料斗3之漏斗3B的上端(亦即,開口 3B1之上邊緣)接觸。 如圖1及圖2中所示,具有屏障性質之蓋4進一步具備自 140011.doc 201008841 中心徑向延伸之作為複數個經弱化之部分u的穿孔或切判 線(在所展示實例中為穿孔)’使得其到達聚對苯二甲酸乙 二酯的最内層7及黏附層9。作為經弱化之部分丨〖之穿孔或 切割線使最内層7以及金屬羯層1〇能夠易於撕裂,藉此促 進打開蓋。如圖2中所示’穿孔或切割線為在中心處相交 之二根直線,且線之長度為9 mm,且連接之長度為^ 随。線之係3之數目為達成本發明之給定目標的最小數 目。儘管線之數目的最大值視蓋4之大小而定,但所要最 大值為1〇。若數目為10或更大’則蓋4之強度可能弱化, 此並非較佳的。數目理想地為3至8(在圖1〇中展示具有祕 線的實例)。 保護罩5由與容器本體2之材料相同的材料或具有約〇 8 mm之厚度的適當樹脂(諸如,高密度聚乙烯或聚丙 烯)製成。罩5與容器本體2之開口部分2八外部適配以保護 蓋4且亦保持内部衛生。 大體而言,將粉末即溶咖啡p供應至再填充容器丨之内部 的操作經由料斗之開口 3B丨來執行。 現將解釋如先前所提及而建構之第一實施例的使用。 首先,移除保護罩5,接著如圖5及圖6中所示,將容器 本體2倒置並置放於料斗3與罐15之圓筒口部i5A内部適配 的位置,罐15為可再填充容器之一實例。容器本體2中之 即,谷咖啡P向下流動至料斗3中,但即溶咖啡P藉由蓋4保 留。其後,如圖7及圖8中所示,抵靠容器本體2施加按壓 力以便朝向罐15之口部15A推動漏斗3B。此按壓力充當允 1400Il.doc 201008841 許罐15之口部15A(其大體而言為管狀部分)自本體沿圓筒 向上延伸的力,以按壓並撕裂蓋4。亦即,按壓力充當允 許罐15之口部15A向上推動蓋4並迫使蓋4進入具有界定於 料斗3之直立壁3 A與漏斗3B之間的三角形截面之空間s中 的力。因為係經弱化之部分i丨之穿孔經徑向提供,所以按 壓力所施加至之蓋4沿穿孔極其易於被撕開並分成複數個 分開塊。同時,漏斗3B進入罐15之口部15A。因此,料斗 3之漏斗3B之開口 3B1打開’且容器本體2中之即溶π加啡p 不間斷地向下流動至罐丨5中,同時即溶咖啡p藉由料斗3之 漏斗3B導向至中央。在罐15之再填充結束之後,丟棄再填 充容器1。在圖中,2B指示容器本體2的底部。 因此,與罐15之口部15A内部適配之漏斗3B將即溶咖啡 P向下導向至罐15中而不使即溶咖啡p溢出罐15外部。漏斗 3B並不允許即溶咖啡p不必要地暴露至空氣’藉此儘可能 防止香味及口感惡化。 φ 在所產生之蓋的效能測試中,將其中央部分成功地撕 裂。按壓力不大於100 N。在檢查紙杯中之開口部分2八之 階狀物6A處的渗透行為之測試中,未觀測到汽漏。此外, 在高溫保存期間未觀測到蓋自紙杯之開口部分2A的移除。 t體蓋之屏p羊性質等效於鋁蓋之屏障性質,且獲得較佳結 果。與熱溶融蓋對比,未產生任何*良氣味。 因此,因A蓋4之最内層具有聚乙稀(線性低密度聚乙 稀:LLDPE)密封劑層8,所以蓋樣夠適當地密封紙杯之 開口。P刀以足夠地破保氣密性(即使在開口部分直接藉由 140011.doc 201008841 蓋费封的清況下)而無關於口部上之為紙杯所特有的階狀 物6A之存在。此外,有可能達成穩定密封並去除不良氣 味’此係因為並未使用熱溶融。 現將參看圖9解釋具有屏障性質之本發明的蓋之替代結 構。此替代結構具有與第一實施例之效應相同的效應,且 此外具有打開蓋為更簡單的且經弱化之部分可更容易地產 生之結構。相同參考數字將用於與第—實施例之結構相同 的結構,且此荨結構之詳細解釋將省略。 第二實施例之特徵在於,蓋4進一步包含位於最内層7與 金屬镇層10之間作為中間層之紙層16。 紙層16附著至層壓於鋁箔13之下表面上的聚乙烯(低密 度聚乙烯:LDPE)擠製樹脂薄膜14。對於紙層16而言,使 用具有40 g/m2之紙張重量的高級紙。高級紙紙層16之底表 面與最内層7中之聚乙烯(低密度聚乙烯:LDpE)擠製樹脂 薄膜12藉由黏附劑17黏附在一起以形成複合薄片。用於乾 式層壓之兩液體固化類型酯_氨基甲酸酯黏附劑可用作黏 附劑17。高級紙紙層16適當地選自具有在15 §/〇12至15〇 g/m之較佳範圍内的紙張重量之彼等高級紙。作為經弱化 之部分11之穿孔或切割線經形成以便充分到達紙層丨6的頂 表面。層8及9呈現與上文所提及之組成相同的組成。 由於紙層16之介入,紙層16充當固定件,且當作為經弱 化之部分11之穿孔或切割線形成於最内層7中時,與僅具 有樹脂層及金屬箔層之結構相比較,穿透過程為更穩定 的’且有可能更精確地形成經弱化之部分丨丨。此外,當蓋 H0011.doc -12- 201008841 4經按壓以經由經弱化之部分u撕裂時,自紙層16產生破 裂聲音’藉此產生良好之打開感覺。 密封地鄰接容器本體2之開口邊緣的向外凸緣可提供於 直立壁3A之上端上。可在不使第一及第二實施例中之蓋4 的優點降級的情況下獲得相同效應,諸如,打開之能力、 高溫保存性質、屏障性質、氣味、經弱化之部的穩定 可加工性。 ❹
在以上實施例中,内容物為即溶粉末咖啡;然而,替代 地有可能將本發明應用於其他食品或非食品粉末材料, 諸如水洛性牛奶(粉末牛奶)、可可粉、茶粉或此等粉末之 ,’且《。其他實例為經乾燥之土豆泥或其他乾燥食品,醬料 或肉汁粉末、湯粉末以及用於影印機的碳粉。 替代於罐15,有可能將本發明應用於咖_製造裝置的咖 啡粉末箱或影印機之碳粉的再填充容器。 【圖式簡單說明】 圖:為展示沿圖2中之A-A線截取的具有屏障性質之本發 明的蓋之一實施例的截面圖; 圖2為展示圖1中之蓋的仰視圖·, ,為包括一展示^之具有屏障性質之蓋所應用於之容 益的放大部分之放大圖的總分解透視圖; 圖4為展示圖3之容器的處於關閉位置之-端的截面圖; 圖5為說明圖1之具有屏障性質之蓋的操作並展示在内容 物供應至罐之前蓋、容器與罐之間的關係之透視圖; 圖6為說明展示於圖5中之操作並展示主要部分的截面 140011.doc -13- 201008841 圖; 一圖7為說明圖!之具有屏障性質之蓋的操作並展示在將内 容物供應至罐期間蓋、容器與罐之間的關係之透視圖; 圖8為說明展示於圖7中之操作並展示主要部分的截面 圖; 圖9為展示沿圖丨〇中之a_a線截取之具有屏障性質之本 發明的蓋之第二實施例的截面圖;及 圖10為展示對應於圖9之蓋的具有八個經弱化之部分的 蓋之仰視圖。 【主要元件符號說明】 1 再填充容器 2 容器本體 2A 開口部分 2B 容器本體之底部 3 料斗 3A 直立壁 3B 漏斗 3B1 開口 4 蓋 4A 周邊 5 保護罩 6 捲曲 6A 階狀物 7 最内層 140011.doc 14 201008841 8 9 10 11 12 13 14 15
❹ 15A
16 17 P s 最低密封劑層 黏附層 金屬箔層 經弱化之部分 擠製樹脂薄膜 鋁箔 擠製樹脂薄膜 罐 圓筒口部 紙層 黏附劑 粉末即溶咖啡 空間 參 140011.doc •15-
Claims (1)
- 201008841 . 七、申請專利範圍: 1. 一種具有屏障性質之蓋,其包含: 一作為一最内層(7)之樹脂層’該樹脂層包括一聚乙烯 密封劑層(8), 一金屬落層(1〇) ’其經由一黏附層(9)附著至該最内層 ' (7)的外部, °亥最内層(7)具備自中心徑向延伸的複數個經弱化之部分 (11)。 ❹2.如請求項1之具有屏障性質之蓋’其中該等經弱化之部 分(11)允許該最内層(7)以及該金屬箔層(10)被撕裂,藉 此促進打開該蓋。 3. 如請求項1或2之具有屏障性質之蓋,其中該等經弱化之 部分(11)為穿孔或切割線。 4. ^:求項1或2之具有屏障性質之蓋,其中該等經弱化之 °p刀⑴)的數目為至少三個,且該等經弱化之部分沿圓 周配置以圍繞一中心點產生同一中心角。 5. 如明求項1或2之具有屏障性質之蓋,其中該最内層⑺包 含兩個内部層(8 ' 12): 為最低内°卩層之聚乙稀密封劑層的一者(8),及 供於該最低内部層(8)上之擠製聚乙烯樹脂層的—者 6.,叫求項1或2之具有屏障性質之蓋,其中該金屬箔層 (10)包含兩個内部層(13、14): 作為—最低内部層之樹脂層的一者(14),及 I40011.doc 201008841 提供於該最低内部層(14)上之金屬 7.如請求項1或2之具有屏障性質之蓋, 内層(7)與該金屬箔層(10)之間的一中 箔的一者(13)。 其中該蓋包含該最 間紙層(16)。 140011.doc 2-
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TW200948613A (en) * | 2008-04-24 | 2009-12-01 | Toppan Printing Co Ltd | Packaging container and package utilizing the same |
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KR101490289B1 (ko) * | 2010-09-17 | 2015-02-05 | 생-고뱅 퍼포먼스 플라스틱스 코포레이션 | 프리-슬릿 도우넛 브레이크 씨일 |
-
2008
- 2008-04-24 JP JP2008114566A patent/JP4981739B2/ja not_active Expired - Fee Related
-
2009
- 2009-04-24 UY UY0001031782A patent/UY31782A/es unknown
- 2009-04-24 MY MYPI2010004951A patent/MY155698A/en unknown
- 2009-04-24 TW TW098113780A patent/TW201008841A/zh unknown
- 2009-04-24 US US12/989,303 patent/US20110259887A1/en not_active Abandoned
- 2009-04-24 PE PE2009000564A patent/PE20100216A1/es not_active Application Discontinuation
- 2009-04-24 KR KR1020107026210A patent/KR20110011634A/ko active IP Right Grant
- 2009-04-24 AU AU2009239888A patent/AU2009239888B2/en not_active Ceased
- 2009-04-24 CL CL2009000988A patent/CL2009000988A1/es unknown
- 2009-04-24 EP EP09735247A patent/EP2271562B1/en not_active Not-in-force
- 2009-04-24 CA CA2722331A patent/CA2722331A1/en not_active Abandoned
- 2009-04-24 NZ NZ589001A patent/NZ589001A/xx not_active IP Right Cessation
- 2009-04-24 CN CN2009801189516A patent/CN102046492B/zh not_active Expired - Fee Related
- 2009-04-24 MX MX2010011705A patent/MX2010011705A/es active IP Right Grant
- 2009-04-24 WO PCT/EP2009/054980 patent/WO2009130313A1/en active Application Filing
- 2009-04-24 RU RU2010147820/12A patent/RU2485036C2/ru not_active IP Right Cessation
- 2009-04-24 ES ES09735247T patent/ES2416482T3/es active Active
- 2009-04-24 AR ARP090101470A patent/AR071411A1/es not_active Application Discontinuation
- 2009-04-24 BR BRPI0911546A patent/BRPI0911546A2/pt not_active IP Right Cessation
-
2010
- 2010-11-23 ZA ZA2010/08394A patent/ZA201008394B/en unknown
-
2011
- 2011-06-28 HK HK11106623.9A patent/HK1152514A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU2009239888B2 (en) | 2014-12-04 |
CN102046492B (zh) | 2013-01-30 |
CL2009000988A1 (es) | 2010-04-09 |
MY155698A (en) | 2015-11-13 |
EP2271562A1 (en) | 2011-01-12 |
ZA201008394B (en) | 2012-04-25 |
PE20100216A1 (es) | 2010-03-23 |
US20110259887A1 (en) | 2011-10-27 |
NZ589001A (en) | 2013-03-28 |
CA2722331A1 (en) | 2009-10-29 |
RU2485036C2 (ru) | 2013-06-20 |
JP4981739B2 (ja) | 2012-07-25 |
EP2271562B1 (en) | 2013-03-27 |
KR20110011634A (ko) | 2011-02-08 |
JP2009262955A (ja) | 2009-11-12 |
MX2010011705A (es) | 2011-03-02 |
BRPI0911546A2 (pt) | 2015-10-13 |
RU2010147820A (ru) | 2012-05-27 |
AR071411A1 (es) | 2010-06-16 |
AU2009239888A1 (en) | 2009-10-29 |
HK1152514A1 (en) | 2012-03-02 |
WO2009130313A1 (en) | 2009-10-29 |
CN102046492A (zh) | 2011-05-04 |
ES2416482T3 (es) | 2013-08-01 |
UY31782A (es) | 2009-11-10 |
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