TW201038450A - Method of paper based container production and a paper based container - Google Patents

Method of paper based container production and a paper based container Download PDF

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Publication number
TW201038450A
TW201038450A TW98112770A TW98112770A TW201038450A TW 201038450 A TW201038450 A TW 201038450A TW 98112770 A TW98112770 A TW 98112770A TW 98112770 A TW98112770 A TW 98112770A TW 201038450 A TW201038450 A TW 201038450A
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TW
Taiwan
Prior art keywords
paper
crotch portion
film
paper container
groove
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TW98112770A
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Chinese (zh)
Inventor
Sheng-Su Chang
Ching-Wen Chang
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Rich Cup Bio Chem Tech Co Ltd
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Priority to TW98112770A priority Critical patent/TW201038450A/en
Publication of TW201038450A publication Critical patent/TW201038450A/en

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Abstract

The method of paper based container production includes steps of groove(s) forming, coating and hot sealing. To state it more particularly, a seam of a paper based substrate is formed with at least one groove, and a waterproof heat sensitive layer is coated on the substrate, such that the viscosity of the heat sensitive layer can be maintained when the heat sensitive layer is heated, so as to further increase the bonding strength between the seams.

Description

201038450 六、發明說明: 【發明所屬之技術領域】 本發明係關於—觀製容器之製造方法及-觀製容器。 【先前技術】 -般於紙製妓,例如紙杯巾,其杯相面會職有一内膜, 該内雌佳者係為-_崎料形成之薄膜(例如聚乙稀),藉此 用以防止液體渗漏,再則用來當作熱封用之黏劑,令該杯身之兩 〇親相互黏合。 習用紙製容H熱封製程,主要餘具有紅烯薄膜之紙製基 材加熱’令該聚乙稀薄膜具有黏性,而後再令該紙製基材之兩相 對邊緣壓合熱封。 然而’ S用熱封製程常見的問題在於,當該聚乙稀薄膜於加 熱後,原該達成預期之雑,然等到壓合步驟時,該位於高溫之 聚乙烯薄膜亦逐漸冷卻中,導致其黏性孙預期,為了使紙製基 材之兩相對邊緣彼此緊密結合,只得賴合時間拉長,否則即會 ❹有結合紐不足岭易在使料導致液_漏之問題。 對於強調大1:生產、低製造成本之可抛棄式紙製容器製造業 者而言’龍熱封製程因壓合步驟所耗時間無法降低,顯有不符 需求之處。 【發明内容】 本發明之主要目的係為了提供一種可使接合緣快速、緊密姓 合之紙製容器之製造方法。 m 為了達成上述目的所提供之製造方法包括: 打印:-紙製基板’具有至少-對接合緣,於該對接合緣中 3 201038450 至少-者形成-或-以上之凹槽; 熱黏^膜:在卿軸,至鳩有嗽—面鋪淋一防水 熱^在加溫條件下,使驗水齡魅 具有凹槽之接合緣及與其龍之接合緣加壓結合者。 合緣形成凹槽,可減緩該防水熱減在熱封時,溫 二 & ’並提供額外提升結合強度所需之非平滑表面,遂 Ο β成預期結合強度之同時,減少整體熱封步驟所需時間。 【實施方式】 請參考圖1。本發明之紙製容器之製造方法,主要包括下列步 驟. 打印.如圖2所示之一紙製基板1〇,該紙製基板1〇具有至少 -對接合緣20,於該對接合緣2〇中至少一者形成一或一以上之非 穿透凹槽30,上述紙製基板,係指以紙或紙板做成之板狀紙製容 器原料’謂紙製基板可為尚未裁切之連續紙匹,或係已預先裁 ❹刀概呈扇$或其他適當造型之板狀基材者;此外,該對接合緣例 如係位^該紙製基板相對兩面之相異側,藉此當該紙製基板後續 捲繞成筒狀時,該對接合緣可對應結合;又,如圖3所示,若欲 製成杯具時’則可額外設置一對接合緣,該對接合緣其中一者係 °又置於该圈繞成筒狀之扇形紙製基板的内面下緣,該與其對應之 接合緣則係位於該作為底板之紙製基板的侧周緣,且該對接合緣 同樣可對應結合者;再者,上述凹槽係於接合緣上利用切劃、打 印或其他方法形成,較佳者則係利用打印機器一次大量形成者, 且為避免液體滲漏,上述凹槽應以未實質穿透該紙製基板者為 4 201038450 佳,然若該凹槽係呈穿透狀,仍具有較習用技藝更佳之結合強产· 在本發明較佳實施例中,該些凹槽係有複數個,且彼此呈斜向間 隔排列於接合緣上’俾利於後續加工黏合時,得藉此句稱排列之 凹槽形成較佳黏固結合功效; Ο Ο 淋膜:於該打印後之紙製基板中,至少於具有凹槽之一面鋪 淋一防水熱黏膜;當該紙製基板僅於一面舖淋防水熱黏膜時,即 ,單面淋觀,而當該紙製基板於其靖兩面皆舖淋防水熱黏膜 打’則為雙面淋膜紙,而單、雙面淋膜紙之選擇乃端視欲使用之 溫聽件、場合、容量大小及所欲達成之視覺效果等因素而定, ^一般而言,雙面淋膜紙由於兩面皆鋪淋有防水熱黏膜,則其接 j之結合贿應鮮面淋賴紐;上赌賴麵,係具有 於节溫下防水、無流動处無雜’而在加熱至適當溫度時,其 動性並具有黏度者,適用此防水熱黏膜之材料例如 =,E)、聚丙稀(PP)、聚乳酸(PLA)、聚乙内醋(pcL)、 且本一甲酸乙一醋(PET)或其他類似物,其中又以聚乙婦㈣ 之易取得、加工後之敎性、黏合效果佳等特性而為較佳者; 且有條件下,使雜水齡難生雜,隨後令該 i應之接合緣加麟合;上述加溫條 牛職成之防水熱黏膜為例,則以攝氏250度以上為 _在“溫度條件下,該防水__具雜佳紐 參入凹槽中;如此一來,當該接合緣進· 声::触Ϋ,部分防水__位於凹槽内,其溫度下降之程 =置==歡紐,驗崎输;更因該凹 槽之故置錢觀製紐讀财增加,俾触 5 201038450 需之額外抓力,即令兩接合緣得緊密結合者。 此外,如圖3、圖4所示之紙製容器i,其係以紙製杯具為例, 然亦可應用於其他形狀之其他容器,如紙碗、紙盤或紙盒(如圖8、 圖9所示)等,亦無不可。在該紙製容器i中,其具有一綱部2 及-位於胴部2底端之底板3,其中至少於綱部2内面形成有—防 水熱黏膜6 (參考圖〇,然亦可於胴部2之雙面皆設置有防水熱 黏膜者。並且’該胴部2之賴具有—對接合緣4,而於胴部與底 ❹板之間則另π又置有一對接合緣4’,於各該對接合緣4、4,之至少一 者(即可於一者或兩者)形成有一或一以上之非穿透凹槽5。藉此, 如圖5所不’當該接合緣4彼此接合時,部分聚乙稀係容置於凹 槽5内’而達成如上所述之結合功效,同樣地,該接合緣如圖 6戶=而彼此接合時,亦有相同效果;糾,該鱗2與底板3 之、、&方式亦可如圖7所示,而令該底板3之侧緣包覆該洞部2 下方之接合緣’且_部2底端接合緣之兩面皆可财凹槽5,俾 與底板3侧緣之内、外接合緣皆緊密結合者。 ❹ 纟上可知’本發明藉由在接合緣中額外設置至少一凹槽,一 ^使加^:之防水絲朗免因溫度逸散導致黏性降低 ,再則可 提供結合所需之粗链表面,乃有效改善習用技藝常見之問題,除 可縮短至7 ψ熱封步驟所需時間,更可提升接合緣之結合強度。 上揭4明僅為明所帛之本發明較佳實施例,凡在未脫 離本發明精神所作之任何修改、變更、置換,例如簡單改變該凹 槽狀配置’或於各步驟之間額外進行紙製基板之裁切或 步驟與淋膜步驟之順序對調、或將該對接合緣分設於不同 板(如綱部與底板)等,皆仍属於本發明所欲倾之齡。 6 201038450 【圖式簡單說明】 圖1為本發明製造方法之流程圖。 圖2為本發明紙製基板之示意圖。 圖3為本發明紙製容器之分解圖。 圖4為本發明紙製容器之組合圖。 圖5為胴部之二接合緣之剖面示意圖。 圖6為胴部與底板接合態樣(I)之剖面示意圖。 〇 圖7為胴部與底板接合態樣(II)之剖面示意圖。 圖8為本發明紙盒態樣之紙製容器之分解圖。 圖9為本發明紙盒態樣之紙製容器之組合圖。 【主要元件符號說明】 1:紙製容器 2 :胴部 3 :底板 4、4’ :接合緣 5 :凹槽 6:防水熱黏膜 10 :紙製基板 20 :接合緣 30 :凹槽 7201038450 VI. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD OF THE INVENTION The present invention relates to a method of manufacturing a container and a container. [Prior Art] - Paper-like enamels, such as paper cups, have an inner film in the face of the cup, and the inner female is a film formed by the _akisaki (for example, polyethylene). Prevent liquid leakage, and then use it as an adhesive for heat sealing, so that the two sides of the cup are bonded to each other. The conventional paper is made of a H heat-sealing process, and the paper base material having a red ene film is mainly heated to make the polyethylene film viscous, and then the two opposite edges of the paper substrate are pressure-sealed. However, the common problem with the heat sealing process of S is that when the polyethylene film is heated, it should have achieved the desired enthalpy, and when the pressing step is completed, the high temperature polyethylene film is gradually cooled, resulting in The viscous Sun expects that in order to make the two opposite edges of the paper substrate tightly bond with each other, it takes only a long time to stretch, otherwise it will be difficult to cause the liquid to leak in the material. For the disposable paper container manufacturers who emphasize the big production: low production cost, the long heat sealing process cannot be reduced due to the pressing step, which is obviously inconsistent with the demand. SUMMARY OF THE INVENTION The main object of the present invention is to provide a method of manufacturing a paper container which can quickly and closely match the joint edge. m The manufacturing method provided for achieving the above object includes: printing: - the paper substrate 'haves at least - a pair of bonding edges, at least 3 - 201038450 in the pair of bonding edges - forming a groove of - or - above; : In the Qing axis, to the 鸠 鸠 面 面 面 面 面 面 面 面 面 面 面 面 面 面 面 面 面 防水 防水 防水 防水 防水 防水 防水 防水 防水 防水 防水 防水 防水 防水 防水 防水 防水 防水 防水 防水Forming the groove to reduce the waterproof heat loss during heat sealing, the temperature of the second & 'and provide an additional non-smooth surface required to improve the bonding strength, 遂Ο β into the expected bonding strength, while reducing the overall heat sealing step Time required. [Embodiment] Please refer to Figure 1. The method for manufacturing a paper container of the present invention mainly comprises the following steps. Printing. A paper substrate 1 shown in FIG. 2, the paper substrate 1 has at least a pair of joint edges 20, and the pair of joint edges 2 At least one of the crucibles forms one or more non-penetrating grooves 30, and the paper substrate refers to a sheet-shaped paper container made of paper or cardboard. The paper substrate may be a continuous paper that has not been cut. a piece, or a plate-shaped substrate that has been previously cut into a fan or other suitably shaped plate; in addition, the pair of joint edges are, for example, tied to opposite sides of the opposite sides of the paper substrate, whereby the paper When the substrate is subsequently wound into a cylindrical shape, the pair of joint edges can be combined; and, as shown in FIG. 3, if a cup is to be formed, an additional pair of joint edges can be provided, and one of the pair of joint edges And the lower edge of the inner surface of the fan-shaped paper-shaped substrate which is wound around the ring, and the corresponding joint edge is located on the side periphery of the paper substrate as the bottom plate, and the pair of joint edges can also be combined Furthermore, the groove is attached to the joint edge by cutting, printing or the like. The method is formed, and the preferred one is to use a printer to form a large amount at a time, and in order to avoid liquid leakage, the groove should be substantially not penetrated the paper substrate by 4 201038450, but if the groove is worn through In the preferred embodiment of the present invention, the grooves are provided in a plurality of grooves and are arranged at an oblique interval from each other on the joint edge to facilitate subsequent processing bonding. In this way, the grooves arranged to form a better adhesion and bonding effect; Ο 淋 lamination: in the printed paper substrate, at least one surface of the groove is covered with a waterproof thermal film; when the paper When the substrate is covered with a waterproof hot film on one side, that is, one side is dripped, and when the paper substrate is covered with water-repellent hot film on both sides of the Jing, it is a double-sided coated paper, and single and double-sided The choice of coated paper depends on factors such as the temperature of the hearing device, the occasion, the size of the volume and the desired visual effect. ^In general, the double-sided coated paper is covered with a waterproof hot film on both sides. , the combination of j and the bribe should be fresh on the face; Lai surface, which is waterproof at no temperature, no flow at no flow, and is motility and viscosity when heated to a suitable temperature. Materials suitable for this waterproof thermal film such as =, E), polypropylene (PP) ), polylactic acid (PLA), polyethyl vinegar (pcL), and the original carboxylic acid (PET) or other analogues, which are easy to obtain by Polyethylene (IV), and have good flexibility and adhesion after processing. It is preferred to have the same characteristics; and under conditions, the miscellaneous water age is difficult to be mixed, and then the joint edge of the i should be combined with the lining; the above-mentioned heating strip of the cow's waterproof hot mucous membrane is taken as an example, in Celsius Above 250 degrees is _ under "temperature conditions, the waterproof __ has a good fit into the groove; thus, when the joint edge enters the sound:: touch, some waterproof __ is located in the groove, The process of temperature drop = set == Huan Xin, Qisaki lose; more because of the groove, the money to watch the new reading money increase, touch 5 201038450 need additional grip, that is, the two joints close together . In addition, the paper container i shown in FIG. 3 and FIG. 4 is exemplified by a paper cup, and can be applied to other containers of other shapes, such as a paper bowl, a paper tray or a paper box (see FIG. 8). , as shown in Figure 9, etc., there is nothing wrong with it. In the paper container i, it has a main portion 2 and a bottom plate 3 located at the bottom end of the crotch portion 2, wherein at least the inner surface of the main portion 2 is formed with a waterproof thermal adhesive film 6 (refer to the figure 〇, but also 胴The double-sided portion of the portion 2 is provided with a waterproof thermal adhesive film, and the 'the crotch portion 2 has a pair of joint edges 4, and between the crotch portion and the bottom crotch plate, another pair of joint edges 4' are disposed. Forming one or more non-penetrating grooves 5 in at least one of the pair of joint edges 4, 4 (ie, one or both). Thus, as shown in FIG. 5, the joint edge is not 4 when joining each other, part of the polyethylene is accommodated in the groove 5' to achieve the bonding effect as described above, and similarly, the joint edge has the same effect when joined together as shown in Fig. 6; The scale 2 and the bottom plate 3 can also be as shown in FIG. 7, so that the side edge of the bottom plate 3 covers the joint edge of the bottom portion 2 and the bottom edge of the bottom portion of the portion 2 is The groove 5 can be tightly combined with the inner and outer joint edges of the side edge of the bottom plate 3. As can be seen from the above, the present invention provides at least one groove in the joint edge, ^Enhance the waterproofing silk of the product: the viscosity is reduced due to temperature dissipation, and the thick chain surface required for bonding can be provided, which is an effective problem to improve the conventional techniques, except that it can be shortened to 7 ψ heat sealing step. It takes time to improve the bonding strength of the joint edge. It is only a preferred embodiment of the present invention, and any modifications, alterations, and replacements, such as a simple change, are made without departing from the spirit of the invention. The trough-like configuration' or the step of cutting the paper substrate or the step of the laminating step between the steps, or the pair of joint edges are set on different plates (such as the main part and the bottom plate), etc. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a flow chart of a manufacturing method of the present invention. FIG. 2 is a schematic view of a paper substrate of the present invention. Fig. 4 is a combination view of a paper container of the present invention. Fig. 5 is a schematic cross-sectional view of the joint edge of the crotch portion. Fig. 6 is a schematic cross-sectional view of the joint portion (I) of the crotch portion and the bottom plate. Sectional illustration of the joint pattern of the bottom plate (II) Fig. 8 is an exploded view of a paper container in the form of a carton according to the present invention. Fig. 9 is a combination view of a paper container in the form of a carton according to the present invention. [Description of main components] 1: Paper container 2: 胴Part 3: bottom plate 4, 4': joint edge 5: groove 6: waterproof hot film 10: paper substrate 20: joint edge 30: groove 7

Claims (1)

201038450 七、申請專利範圍: 1. 一種紙製容器之製造方法,包括下列步驟: 打印·-紙製基板’具有至少 合緣,於該對接合緣中 ^ f肜成一或一以上之凹槽; 淋膜:在該紙製基板中,至少於 熱_; ^凹槽之—面鋪淋-防水 熱封··在加溫條件下,使該防水熱黏膜產生黏性,隨後令該 具有凹槽之接合緣及與其職之接合緣轉結合者。 2·如請求们所述之紙製容器之製造方法,其中該防水熱黏膜 為^乙烯膜料烯膜、聚乳酸膜、聚乙内醋膜或聚對苯二 曱酸乙二酯膜。 3.如請求項2騎之紙製容器之製造雜,其中雜封之加溫 條件係指加溫至攝氏250度以上。 4·如睛求項1至3中任一項所述之紙製容器之製造方法,其中 於該對接合緣巾至少-者軸有複數非穿透⑽,且該些凹 槽呈斜向間隔排列者。 5. —種紙製容器,係利用請求項丨至3中任一項所述之紙製容 器之製造方法所製成者,該紙製容器包括一胴部及一位於胴 部底端之底板。 6· —種紙製容器,係利用請求項4所述之紙製容器之製造方法 所製成者,該紙製容器包括一胴部及一位於胴部底端之底 201038450201038450 VII. Patent application scope: 1. A method for manufacturing a paper container, comprising the following steps: printing · paper substrate 'having at least a rim, and forming one or more grooves in the pair of joint edges; Lamination: in the paper substrate, at least in the heat_; ^ groove-surface-waterproof heat seal · under heating conditions, the waterproof thermal adhesive film is viscous, and then the groove The joint edge and the joint edge of the job are combined. 2. The method of producing a paper container according to the above, wherein the waterproof thermal adhesive film is a vinyl film olefin film, a polylactic acid film, a polyethylene vinegar film or a polyethylene terephthalate film. 3. The manufacturing of the paper-made container of claim 2, wherein the heating condition of the miscellaneous seal refers to heating to above 250 degrees Celsius. 4. The method of manufacturing a paper container according to any one of claims 1 to 3, wherein at least one of the pair of joined edges has a non-penetration (10), and the grooves are obliquely spaced Arranged. 5. A paper-made container produced by the method of manufacturing a paper container according to any one of the preceding claims, wherein the paper container comprises a crotch portion and a bottom plate at the bottom end of the crotch portion . 6. A paper-made container produced by the method of manufacturing a paper container according to claim 4, wherein the paper container comprises a crotch portion and a bottom portion at the bottom end of the crotch portion 201038450 7. —種紙製容器,其具有一胴部及一位於胴部底端之底板,其 中至少於胴部内面形成有一防水熱黏膜,且該胴部具有至少 一對接合緣,於該接合緣之至少一者形成有一或一以上之凹 槽者。 8. 如請求項7所述之紙製容器,其中該凹槽係呈非穿透狀者。 97. A paper container having a crotch portion and a bottom plate at a bottom end of the crotch portion, wherein at least a waterproof thermal adhesive film is formed on the inner surface of the crotch portion, and the crotch portion has at least one pair of engaging edges at the joint edge At least one of the ones forms one or more grooves. 8. The paper container of claim 7, wherein the groove is non-penetrating. 9
TW98112770A 2009-04-17 2009-04-17 Method of paper based container production and a paper based container TW201038450A (en)

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