JPH07315374A - Liquid paper container with stopper - Google Patents
Liquid paper container with stopperInfo
- Publication number
- JPH07315374A JPH07315374A JP6113031A JP11303194A JPH07315374A JP H07315374 A JPH07315374 A JP H07315374A JP 6113031 A JP6113031 A JP 6113031A JP 11303194 A JP11303194 A JP 11303194A JP H07315374 A JPH07315374 A JP H07315374A
- Authority
- JP
- Japan
- Prior art keywords
- peripheral wall
- ring
- wall plate
- stopper
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cartons (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、果汁飲料、牛乳、清酒
などの食品や、シャンプー、繊維柔軟剤などの非食品な
どに用いられる口栓付き液体用紙容器に関するもので、
詳しくは、口栓を紙容器の口栓挿通孔の内側から挿着し
た内付けの口栓付き液体用紙容器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid paper container with a stopper for use in foods such as fruit juices, milk and sake, and non-foods such as shampoos and textile softeners.
More specifically, the present invention relates to an internal liquid container with a stopper, in which a stopper is inserted from the inside of a stopper insertion hole of a paper container.
【０００２】[0002]
【従来の技術】最近、液体を収容する液体用紙容器に
は、使用時の使いやすさから、図５に示すように、頂部
（２０１）に、内容物を注出するための各種の口栓（１
００）を取り付けた口栓付き液体用紙容器（２００）
が、多く用いられるようになってきた。この口栓付き液
体用紙容器（２００）は、例えば、〔外層〕低密度ポリ
エチレン層／紙層／低密度ポリエチレン層／アルミニウ
ム箔層／ポリエチレンテレフタレート層／低密度ポリエ
チレン層〔内層〕構成の積層材料からなる図６に示すブ
ランク（３００）（折り畳んで紙容器を作製する板状の
材料）の容器頂部（３０１）の口栓挿通孔（３２０）
に、図４に示すように、注出口部（１１１）の周壁の内
側が閉鎖し、その閉鎖部に、Ｖ字形切り込み（１１５）
を設けて形成された薄肉脆弱線リング（１１６）が周設
する切取部（１１４）と、その切取部（１１４）に支柱
（１１７）で連結された引張リング（１１８）をもつ低
密度ポリエチレン製の口栓本体（１１０）を、注出口部
（１１１）を突出させて取り付け、この口栓本体（１１
０）の下部に設けられた台座リング（１１３）の上面
と、紙容器の周壁板（２１０）の最内層（２１３）の低
密度ポリエチレン層との接触面（２０２）を、超音波シ
ール法で熱融着させ、そして、口栓本体（１１０）に、
キャップ（１２０）を螺合させて装着したものであっ
た。2. Description of the Related Art Recently, liquid paper containers for containing liquids have various types of spouts for pouring contents on the top (201), as shown in FIG. 5, for ease of use. (1
(00) attached liquid container with stopper (200)
However, it has become widely used. This liquid paper container with a stopper (200) is made of, for example, a laminated material of [outer layer] low density polyethylene layer / paper layer / low density polyethylene layer / aluminum foil layer / polyethylene terephthalate layer / low density polyethylene layer [inner layer]. A blank (300) shown in FIG. 6 (a plate-like material that is folded to produce a paper container) has a plug insertion hole (320) at the top (301) of the container.
As shown in FIG. 4, the inside of the peripheral wall of the spout (111) is closed, and a V-shaped cut (115) is formed in the closed portion.
Made of low-density polyethylene having a cutout portion (114) around which a thin-walled weakened wire ring (116) formed by providing is provided, and a tension ring (118) connected to the cutout portion (114) by a column (117) The spout body (110) is attached with the spout (111) protruding.
The contact surface (202) between the upper surface of the pedestal ring (113) provided in the lower part of (0) and the low density polyethylene layer of the innermost layer (213) of the peripheral wall plate (210) of the paper container is ultrasonically sealed. Heat seal and then to the spout body (110),
The cap (120) was attached by screwing.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前述の
従来の口栓付き液体用紙容器は、使用時に口栓の口部か
ら外側に垂れた内容物が注出口部の周壁を伝わって下降
し、口栓本体（１１０）と紙容器の頂部周壁板（２１
０）の口栓挿通孔の打抜断面とで形成される図４（ｂ）
に示すリング状の間隙（２０３）に侵入することがあっ
た。このリング状の間隙に内容物が侵入すると、周壁板
の口栓挿通孔の打抜断面がブランク作製時に打抜加工さ
れたままの切断面であり、なんら保護されていないた
め、内容物が周壁板の積層構成材料の紙層などに浸透し
て、著しく口栓取付部の強度を低下させたり、または、
内容物が積層構成材料の金属箔層や金属蒸着層などを腐
食して、著しく外観を損なうことなどがあった。However, in the above-described conventional liquid paper container with a spigot, the contents hanging outward from the mouth of the spigot descend along the peripheral wall of the spout when the mouth is closed, The stopper body (110) and the top peripheral wall plate (21) of the paper container
Fig. 4 (b) formed by the punching cross section of the spigot insertion hole of Fig. 0).
There was a case where it penetrated into the ring-shaped gap (203) shown in. When the contents enter the ring-shaped gap, the punching cross section of the spigot insertion hole of the peripheral wall plate is a cut surface that has been punched at the time of blank production, and the contents are not protected. Penetrates into the paper layer of the laminated constituent material of the plate and significantly reduces the strength of the spigot mounting part, or
In some cases, the contents corroded the metal foil layer, the metal vapor deposition layer, etc. of the laminated constituent material and significantly impaired the appearance.
【０００４】本発明は、前述の従来の口栓付き液体用紙
容器の口栓取付部に発生する問題を解決したものであ
り、使用時に口栓の口部から外側に垂れた内容物が注出
口部の周壁を伝わって下降しても、口栓本体と紙容器の
周壁板の口栓挿通孔の打抜断面とで形成されるリング状
の間隙に、内容物が侵入する危惧のない口栓付き液体用
紙容器を提供するものである。The present invention solves the above-described problem that occurs in the mouthpiece mounting portion of the conventional liquid paper container with a mouthpiece, in which the contents dripping outside from the mouthpiece of the mouthpiece during use are spouted. Even if it goes down along the peripheral wall of the part, there is no danger that the contents will enter the ring-shaped gap formed by the main body of the stopper and the punched section of the stopper insertion hole of the peripheral wall plate of the paper container. And a liquid paper container with a cover.
【０００５】[0005]
【課題を解決するための手段】第１の発明は、内容物を
注出するための口栓付き液体用紙容器において、紙容器
の周壁板の口栓挿通孔に口栓本体の注出口部を突出さ
せ、前記口栓本体の下部に設けられた台座リングの上面
と前記周壁板の最内層との接触面を熱融着し、かつ、前
記口栓本体と前記周壁板の口栓挿通孔の打抜断面とで形
成されるリング状の間隙を、保護リングで覆い、この保
護リングの下面と前記口栓本体及び前記周壁板の最外層
との接触面を熱融着したことを特徴とする口栓付き液体
用紙容器である。According to a first aspect of the present invention, in a liquid paper container with a stopper for pouring out contents, a spout insertion portion of a peripheral wall plate of a paper container is provided with a spout portion of a spout body. The contact surface between the upper surface of the pedestal ring provided at the lower part of the spout body and the innermost layer of the peripheral wall plate is heat-sealed, and the spout body and the spigot insertion hole of the peripheral wall plate A ring-shaped gap formed by the punching cross section is covered with a protective ring, and the contact surface between the lower surface of the protective ring and the outermost layer of the spout body and the peripheral wall plate is heat-sealed. A liquid paper container with a spout.
【０００６】第２の発明は、内容物を注出するための口
栓付き液体用紙容器において、図１（ａ）及び（ｂ）に
示すように、紙容器の周壁板（２１０）の口栓挿通孔に
ポリエチレン製の口栓本体（１１０）の注出口部（１１
１）を突出させ、前記口栓本体（１１０）の下部に設け
られた台座リング（１１３）の上面と前記周壁板（２１
０）の最内層（２１３）のポリエチレン層との接触面
（２０２）を熱融着し、かつ、前記口栓本体（１１０）
と前記周壁板（２１０）の口栓挿通孔の打抜断面とで形
成されるリング状の間隙（２０３）を、ポリエチレン製
の保護リング（１３０）で覆い、この保護リング（１３
０）の下面と前記口栓本体（１１０）及び前記周壁板
（２１０）の最外層（２１１）のポリエチレン層との接
触面（２０２）を熱融着したことを特徴とする口栓付き
液体用紙容器（２００）である。A second invention relates to a liquid paper container with a stopper for pouring out contents, as shown in FIGS. 1 (a) and 1 (b), a stopper of a peripheral wall plate (210) of the paper container. The spout (11) of the polyethylene plug body (110) is inserted into the insertion hole.
1) is projected, and the upper surface of the pedestal ring (113) provided at the lower portion of the spout body (110) and the peripheral wall plate (21).
0) The innermost layer (213) of (0) is heat-sealed on the contact surface (202) with the polyethylene layer, and the spout body (110) is
The protective ring (130) made of polyethylene covers the ring-shaped gap (203) formed by the cross section of the peripheral wall plate (210) and the punched cross section of the plug insertion hole.
0) and the contact surface (202) between the lower surface of the mouthpiece body (110) and the polyethylene layer of the outermost layer (211) of the peripheral wall plate (210) are heat-sealed, and the liquid paper with a mouthpiece. It is a container (200).
【０００７】第３の発明は、内容物を注出するための口
栓付き液体用紙容器において、図２（ａ）及び（ｂ）に
示すように、紙容器の周壁板（２１０）の最外層（２１
１）がポリエチレン層で最内層（２１３）がポリエステ
ル樹脂層である周壁板（２１０）の口栓挿通孔に、ポリ
エチレン製の口栓本体（１１０）の注出口部（１１１）
を突出させ、前記口栓本体（１１０）の下部に設けられ
た台座リング（１１３）の上面と前記周壁板（２１０）
の最内層（２１３）のポリエステル樹脂層との間に、上
側層（１４１）がポリエステル樹脂層で下側層（１４
２）がポリエチレン層からなる接着用リングフィルム
（１４０）を挿入して熱融着し、かつ、前記口栓本体
（１１０）と前記周壁板（２１０）の口栓挿通孔の打抜
断面とで形成されるリング状の間隙（２０３）を、ポリ
エチレン製の保護リング（１３０）で覆い、この保護リ
ング（１３０）の下面と前記口栓本体（１１０）及び前
記周壁板（２１０）の最外層（２１１）のポリエチレン
層との接触面（２０２）を熱融着したことを特徴とする
口栓付き液体用紙容器（２００）である。A third aspect of the invention is a liquid paper container with a spout for pouring out contents, as shown in FIGS. 2 (a) and 2 (b), the outermost layer of the peripheral wall plate (210) of the paper container. (21
1) is a polyethylene layer, and the innermost layer (213) is a polyester resin layer. The spout insertion hole (111) of the polyethylene plug body (110) is inserted into the plug insertion hole of the peripheral wall plate (210).
The upper surface of the pedestal ring (113) provided at the lower part of the spout body (110) and the peripheral wall plate (210).
Between the innermost layer (213) and the polyester resin layer, the upper layer (141) is a polyester resin layer and the lower layer (14).
2) is an adhesive ring film (140) made of a polyethylene layer, which is inserted and heat-sealed, and the cross section of the plug body (110) and the plug insertion hole of the peripheral wall plate (210) is punched. The formed ring-shaped gap (203) is covered with a protective ring (130) made of polyethylene, and the lower surface of the protective ring (130) and the outermost layer of the spout body (110) and the peripheral wall plate (210) ( A liquid paper container (200) with a stopper, characterized in that a contact surface (202) with a polyethylene layer of (211) is heat-sealed.
【０００８】第４の発明は、内容物を注出するための口
栓付き液体用紙容器において、図３（ａ）及び（ｂ）に
示すように、紙容器の周壁板（２１０）の最外層（２１
１）がポリエチレン層で最内層（２１３）がポリエステ
ル樹脂層である周壁板（２１０）の口栓挿通孔に、ポリ
エステル樹脂製の口栓本体（１１０）の注出口部（１１
１）を突出させ、前記口栓本体（１１０）の下部に設け
られた台座リング（１１３）の上面と前記周壁板（２１
０）の最内層（２１３）のポリエステル樹脂層との接触
面（２０２）を熱融着し、かつ、前記口栓本体（１１
０）と前記周壁板（２１０）の口栓挿通孔の打抜断面と
で形成されるリング状の間隙（２０３）を、ポリエチレ
ンとポリエステル樹脂との共重合体製の保護リング（１
３０）で覆い、この保護リング（１３０）の下面と前記
口栓本体（１１０）及び前記周壁板（２１０）の最外層
（２１１）のポリエチレン層との接触面（２０２）を熱
融着したことを特徴とする口栓付き液体用紙容器（２０
０）である。A fourth invention is a liquid paper container with a spout for pouring out contents, as shown in FIGS. 3 (a) and 3 (b), the outermost layer of the peripheral wall plate (210) of the paper container. (21
1) is a polyethylene layer, and the innermost layer (213) is a polyester resin layer. The spout insertion hole (11) of the polyester resin spigot body (110) is inserted into the spigot insertion hole of the peripheral wall plate (210).
1) is projected, and the upper surface of the pedestal ring (113) provided at the lower portion of the spout body (110) and the peripheral wall plate (21).
The contact surface (202) of the innermost layer (213) of (0) with the polyester resin layer is heat-sealed, and the spout body (11).
0) and the punched cross section of the spigot insertion hole of the peripheral wall plate (210), a ring-shaped gap (203) is provided with a protective ring (1) made of a copolymer of polyethylene and polyester resin.
30), and the lower surface of the protection ring (130) and the contact surface (202) of the contact between the lower surface of the plug body (110) and the polyethylene layer of the outermost layer (211) of the peripheral wall plate (210) are heat-sealed. Liquid paper container with spout (20
0).
【０００９】上述の口栓本体の下部に設けられた台座リ
ングの上面と紙容器の周壁板の最内層、周壁板の最内層
と接着用リングフィルムの上側層、接着用リングフィル
ムの下側層と台座リングの上面及び保護リングの下面と
周壁板の最外層及び口栓本体との接触面を熱融着する方
法は、一般的にはヒートシール法や超音波シール法など
を用いる。The upper surface of the pedestal ring provided in the lower part of the above-mentioned spigot body, the innermost layer of the peripheral wall plate of the paper container, the innermost layer of the peripheral wall plate and the upper layer of the adhesive ring film, and the lower layer of the adhesive ring film. As a method for heat-sealing the contact surface between the upper surface of the pedestal ring, the lower surface of the protection ring, the outermost layer of the peripheral wall plate, and the spout body, generally, a heat sealing method, an ultrasonic sealing method, or the like is used.
【００１０】また、保護リング（１３０）は、口栓本体
と紙容器の周壁板とに跨がって間隙を覆うものである。The protection ring (130) extends over the spout body and the peripheral wall plate of the paper container to cover the gap.
【００１１】そして、紙容器の周壁板は、紙、プラスチ
ック、金属箔、金属蒸着フィルムなどを積層した積層基
材の両側面にプラスチック層を形成したものである。The peripheral wall plate of the paper container is formed by forming plastic layers on both sides of a laminated base material in which paper, plastic, metal foil, metal vapor deposition film and the like are laminated.
【００１２】[0012]
【作用】本発明の口栓付き液体用紙容器は、使用時に口
栓の口部から外側に垂れた内容物が注出口部の周壁を伝
わって下降しても、口栓本体と紙容器の頂部周壁板の口
栓挿通孔の打抜断面とで形成されるリング状の間隙が保
護リングで覆われているため、垂れ下がった内容物が、
上述のリング状の間隙に侵入することがない。The liquid paper container with a stopper according to the present invention is such that, even when the contents hanging outward from the mouth portion of the stopper at the time of use descend along the peripheral wall of the spout, the main body of the stopper and the top portion of the paper container. Since the ring-shaped gap formed by the punched cross section of the plug insertion hole of the peripheral wall plate is covered with the protective ring,
It does not enter the ring-shaped gap described above.
【００１３】[0013]
＜実施例１＞まず、〔外層側〕低密度ポリエチレン層
（２５μｍ）／紙層（４００ｇ/m2 ）／低密度ポリエチ
レン層（２５μｍ）／アルミニウム箔層（９μｍ）／二
軸延伸ポリエチレンテレフタレートフィルム層（１２μ
ｍ）／低密度ポリエチレン層（６０μｍ）〔内層側〕構
成の積層材料を用いて、図６に示すように、折り目線
（３１０）と頂部（３０１）に口栓挿通孔（３２０）を
もつブランク（３００）を、打抜加工により作製し、こ
のブランク（３００）を、サック貼り機で背貼りしてス
リーブを作製した。これとは別個に、図１（ａ）に示す
ように、注出口部（１１１）の周壁の外側に雄ねじ（１
１２）をもち、内側が閉鎖し、その閉鎖部に、Ｖ字形切
り込み（１１５）を設けて形成された薄肉脆弱線リング
（１１６）が周設する切取部（１１４）と、その切取部
（１１４）に支柱（１１７）で連結された引張リング
（１１８）をもち、下方に台座リング（１１３）をもつ
口栓本体（１１０）を、低密度ポリエチレンを用いて射
出成形して作製した。さらに、保護リング（１３０）
を、低密度ポリエチレンを用いて射出成形して作製し、
また、天板（１２１）にインナーリング（１２２）をも
ち、側壁（１２３）内壁に雌ねじ（１２４）をもつキャ
ップ（１２０）を、ポリプロピレンを用いて射出成形し
て作製した。<Example 1> First, [outer layer side] low-density polyethylene layer (25 μm) / paper layer (400 g / m 2 ) / low-density polyethylene layer (25 μm) / aluminum foil layer (9 μm) / biaxially stretched polyethylene terephthalate film layer (12μ
m) / low-density polyethylene layer (60 μm) [inner layer side] using a laminated material, a blank having a fold line (310) and a spigot insertion hole (320) at the top (301) as shown in FIG. (300) was produced by punching, and the blank (300) was back-attached with a sack applicator to produce a sleeve. Separately from this, as shown in FIG. 1A, a male screw (1) is attached to the outside of the peripheral wall of the spout (111).
12) having a closed inside and a cutout portion (114) around which a thin-walled weakened wire ring (116) formed by forming a V-shaped cutout (115) is provided in the closed portion, and the cutout portion (114). ) Has a tension ring (118) connected to a column () by a pillar (117), and a spout body (110) having a pedestal ring (113) below is manufactured by injection molding using low density polyethylene. Furthermore, a protective ring (130)
By injection molding using low density polyethylene,
A cap (120) having an inner ring (122) on the top plate (121) and an internal thread (124) on the inner wall of the side wall (123) was injection-molded using polypropylene.
【００１４】次に、上述したスリーブの口栓挿通孔（３
２０）に上述の低密度ポリエチレン製の口栓本体（１１
０）の注出口部（１１１）を挿通し、図１（ｂ）に示す
ように、口栓本体（１１０）の下部に設けられた台座リ
ング（１１３）の上面と紙容器の周壁板（２１０）の最
内層（２１３）との接触面（２０２）を超音波シール法
で熱融着して、口栓本体（１１０）を紙容器の周壁板
（２１０）に取り付けたのち、さらに、上述した低密度
ポリエチレン製の保護リング（１３０）で、口栓本体
（１１０）と紙容器の周壁板（２１０）の口栓挿通孔の
打抜断面とで形成されるリング状の間隙（２０３）を覆
い、この保護リング（１３０）の下面と紙容器の周壁板
（２１０）と口栓本体（１１０）との接触面を超音波シ
ール法で熱融着して、口栓本体（１１０）の注出口部
（１１１）に、上述したポリプロピレン製のキャップ
（１２０）を螺合して装着した。次に、この口栓付き液
体用紙容器のスリーブを、液体用充填機に装填し、製
箱、内容物充填、密封を行い、図５に示す頂部が切り妻
屋根形の本実施例の口栓付き液体用紙容器（２００）を
作製した。Next, the above-mentioned sleeve plug insertion hole (3
20) is a plug body (11) made of the above-mentioned low density polyethylene.
0) through the spout (111), and as shown in FIG. 1 (b), the upper surface of the pedestal ring (113) provided at the bottom of the spout body (110) and the peripheral wall plate (210) of the paper container. The contact surface (202) with the innermost layer (213) of (1) is heat-sealed by an ultrasonic sealing method to attach the plug body (110) to the peripheral wall plate (210) of the paper container, and then the above-mentioned. A protective ring (130) made of low-density polyethylene covers the ring-shaped gap (203) formed by the cap body (110) and the punched cross section of the cap insertion hole of the peripheral wall plate (210) of the paper container. The bottom surface of the protective ring (130) and the contact surface between the peripheral wall plate (210) of the paper container and the spout body (110) are heat-sealed by an ultrasonic sealing method to spout the spout body (110). The above-mentioned polypropylene cap (120) is screwed onto the part (111) and attached. It was. Next, the sleeve of the liquid paper container with the stopper was loaded into a liquid filling machine, box-making, filling of contents and sealing were performed, and the stopper of this embodiment having a gable roof top shape shown in FIG. The attached liquid paper container (200) was produced.
【００１５】次に、本発明の口栓付き液体用紙容器を評
価するため、口栓のキャップを外し、口栓本体の注出口
部の周壁内側に設けられた引張リングを上方に引っ張っ
て切取部を切り離して容器を開封し、内容物を繰り返し
て注出させ、口栓の口部から外側に内容物を垂れさせ
て、その内容物を注出口部の周壁に沿って下降させた
が、口栓本体と紙容器の頂部周壁板の口栓挿通孔の打抜
断面とで形成されるリング状の間隙が、保護リングで覆
われているため、垂れ下がった内容物がリング状の間隙
に侵入することがなく、口栓取付部の強度が低下した
り、外観を損なわれるようなことは、全くなかった。Next, in order to evaluate the liquid paper container with a stopper according to the present invention, the cap of the stopper is removed, and the pulling ring provided on the inner side of the peripheral wall of the spout of the stopper body is pulled upward to cut out the cut portion. , The container was opened, the contents were repeatedly poured out, the contents were hung down from the mouth of the spout, and the contents were lowered along the peripheral wall of the spout. The ring-shaped gap formed by the stopper body and the punching cross-section of the mouth plug insertion hole of the top peripheral wall plate of the paper container is covered with the protective ring, so that the hanging contents enter the ring-shaped gap. No deterioration of the strength of the spout attachment portion or deterioration of the appearance was observed at all.
【００１６】＜実施例２＞まず、〔外層側〕低密度ポリ
エチレン層（２０μｍ）／紙層（４００ｇ/m2 ）／低密
度ポリエチレン層（２５μｍ）／アルミニウム箔層（９
μｍ）／低密度ポリエチレン層（２０μｍ）／熱接着性
ポリエステル樹脂層（３５μｍ）〔内層側〕構成の積層
材料を用いて、図６に示すように、折り目線（３１０）
と頂部（３０１）に口栓挿通孔（３２０）をもつブラン
ク（３００）を、打抜加工により作製し、このブランク
（３００）を、サック貼り機で背貼りしてスリーブを作
製した。なお、熱接着性ポリエステル樹脂としては、香
気成分などの吸着性の低いものであれば、結晶性ポリエ
ステル、非結晶性ポリエステル、延伸結晶（配向）性ポ
リエステルなどのいずれのタイプのものでもよいが、具
体的には、ポリエチレンテレフタレート、ポリブチレン
テレフタレート、酸変性ポリエステル（デュポン社製，
ＳＥＬＡＲ−Ｘ２０７）、グリコール変性ポリエステル
（イーストマンコダック社製，ＰＥＴＧ５１１６，ＰＥ
ＴＧ６７６３など）などのポリエステル樹脂が好ましく
用いられる。これとは別個に、図２（ａ）に示すよう
に、注出口部（１１１）の周壁の外側に雄ねじ（１１
２）をもち、内側が閉鎖し、その閉鎖部に、Ｖ字形切り
込み（１１５）を設けて形成された薄肉脆弱線リング
（１１６）が周設する切取部（１１４）と、その切取部
（１１４）に支柱（１１７）で連結された引張リング
（１１８）をもち、下方に台座リング（１１３）をもつ
口栓本体（１１０）を、低密度ポリエチレンを用いて射
出成形して作製した。さらに、保護リング（１３０）
を、低密度ポリエチレンを用いて射出成形して作製し、
また、〔上側〕ポリエステル樹脂層（２０μｍ）／低密
度ポリエチレン（３０μｍ）〔下側〕構成の接着用リン
グフィルムを作製し、そして、天板（１２１）にインナ
ーリング（１２２）をもち、側壁（１２３）内壁に雌ね
じ（１２４）をもつキャップ（１２０）を、ポリプロピ
レンを用いて射出成形して作製した。Example 2 First, [outer layer side] low density polyethylene layer (20 μm) / paper layer (400 g / m 2 ) / low density polyethylene layer (25 μm) / aluminum foil layer (9
[mu] m) / low density polyethylene layer (20 [mu] m) / thermoadhesive polyester resin layer (35 [mu] m) [inner layer side], as shown in FIG. 6, a crease line (310)
A blank (300) having a plug insertion hole (320) at the top (301) was produced by punching, and the blank (300) was back-attached with a sack applicator to produce a sleeve. The heat-adhesive polyester resin may be any type such as crystalline polyester, non-crystalline polyester, stretched crystal (orientation) polyester, etc., as long as it has low adsorbability of aroma components and the like. Specifically, polyethylene terephthalate, polybutylene terephthalate, acid-modified polyester (manufactured by DuPont,
SELAR-X207), glycol modified polyester (Eastman Kodak Company, PETG5116, PE
Polyester resins such as TG6763) are preferably used. Separately from this, as shown in FIG. 2 (a), a male screw (11) is attached to the outside of the peripheral wall of the spout (111).
2), the inside of which is closed, and a cutout portion (114) around which a thin-walled weakened wire ring (116) formed by providing a V-shaped cutout (115) is provided in the closed portion, and the cutout portion (114). ) Has a tension ring (118) connected to a column () by a pillar (117), and a spout body (110) having a pedestal ring (113) below is manufactured by injection molding using low density polyethylene. Furthermore, a protective ring (130)
By injection molding using low density polyethylene,
Also, an adhesive ring film having an [upper] polyester resin layer (20 μm) / low-density polyethylene (30 μm) [lower] is prepared, and an inner ring (122) is provided on the top plate (121) and side walls ( 123) A cap (120) having an internal thread (124) on the inner wall was injection molded using polypropylene.
【００１７】次に、上述したスリーブの口栓挿通孔（３
２０）に上述の低密度ポリエチレン製の口栓本体（１１
０）の注出口部（１１１）を挿通し、図２（ｂ）に示す
ように、口栓本体（１１０）の下部に設けられた台座リ
ング（１１３）の上面と紙容器の周壁板（２１０）の最
内層（２１３）との間に上述した接着用リングフィルム
（１４０）を挿入して超音波シール法で熱融着して、口
栓本体（１１０）を紙容器の周壁板（２１０）に取り付
けたのち、さらに、上述した低密度ポリエチレン製の保
護リング（１３０）で、口栓本体（１１０）と紙容器の
周壁板（２１０）の口栓挿通孔の打抜断面とで形成され
るリング状の間隙（２０３）を覆い、この保護リング
（１３０）の下面と紙容器の周壁板（２１０）と口栓本
体（１１０）との接触面を超音波シール法で熱融着し
て、口栓本体（１１０）の注出口部（１１１）に、上述
したポリプロピレン製のキャップ（１２０）を螺合して
装着した。次に、この口栓付き液体用紙容器のスリーブ
を、液体用充填機に装填し、製箱、内容物充填、密封を
行い、図５に示す頂部が切り妻屋根形の本実施例の口栓
付き液体用紙容器（２００）を作製した。Next, the above-mentioned sleeve plug insertion hole (3
20) is a plug body (11) made of the above-mentioned low density polyethylene.
2), the upper surface of the pedestal ring (113) provided at the lower portion of the spout body (110) and the peripheral wall plate (210) of the paper container are inserted. ) Is inserted between the innermost layer (213) and the adhesive ring film (140) and heat-sealed by an ultrasonic sealing method, and the cap body (110) is attached to the peripheral wall plate (210) of the paper container. Then, the protective ring (130) made of low-density polyethylene is formed on the main body (110) of the cap and the punched cross-section of the cap insertion hole of the peripheral wall plate (210) of the paper container. The ring-shaped gap (203) is covered, and the lower surface of the protection ring (130) and the contact surface between the peripheral wall plate (210) of the paper container and the plug body (110) are heat-sealed by an ultrasonic sealing method, The spout (111) of the spout body (110) is made of polypropylene described above. It mounted screwed cap (120). Next, the sleeve of the liquid paper container with the stopper was loaded into a liquid filling machine, box-making, filling of contents and sealing were performed, and the stopper of this embodiment having a gable roof top shape shown in FIG. The attached liquid paper container (200) was produced.
【００１８】次に、実施例１と同様に、本発明の口栓付
き液体用紙容器を評価してみたが、注出口部の周壁の外
側を垂れ下がった内容物は、保護リングによって、口栓
本体と紙容器の頂部周壁板の口栓挿通孔の打抜断面とで
形成されるリング状の間隙に侵入することがなく、口栓
取付部の強度が低下したり、外観を損なわれるようなこ
とは、全くなかった。Next, in the same manner as in Example 1, the liquid paper container with a stopper according to the present invention was evaluated. The contents hanging down the outside of the peripheral wall of the spout were protected by a protective ring. Do not enter the ring-shaped gap formed by the punched cross section of the mouth plug insertion hole of the top peripheral wall plate of the paper container, and the strength of the mouth cap attachment part may be reduced or the appearance may be impaired. Was not at all.
【００１９】＜実施例３＞まず、〔外層側〕低密度ポリ
エチレン層（２０μｍ）／紙層（４００ｇ/m2 ）／低密
度ポリエチレン層（２５μｍ）／アルミニウム箔層（９
μｍ）／低密度ポリエチレン層（２０μｍ）／熱接着性
ポリエステル樹脂層（３５μｍ）〔内層側〕構成の積層
材料を用いて、図６に示すように、折り目線（３１０）
と頂部（３０１）に口栓挿通孔（３２０）をもつブラン
ク（３００）を、打抜加工により作製し、このブランク
（３００）を、サック貼り機で背貼りしてスリーブを作
製した。これとは別個に、図３（ａ）に示すように、注
出口部（１１１）の周壁の外側に雄ねじ（１１２）をも
ち、下方に台座リング（１１３）をもつ口栓本体（１１
０）を、ポリエステル樹脂を用いて射出成形して作製し
た。さらに、保護リング（１３０）を、ポリエチレンと
ポリエステル樹脂との共重合体を用いて射出成形して作
製し、また、天板（１２１）にインナーリング（１２
２）をもち、側壁（１２３）内壁に雌ねじ（１２４）を
もつキャップ（１２０）を、ポリエチレンンを用いて射
出成形して作製した。Example 3 [Outer layer side] Low density polyethylene layer (20 μm) / paper layer (400 g / m 2 ) / low density polyethylene layer (25 μm) / aluminum foil layer (9)
[mu] m) / low density polyethylene layer (20 [mu] m) / thermoadhesive polyester resin layer (35 [mu] m) [inner layer side], as shown in FIG. 6, a crease line (310)
A blank (300) having a plug insertion hole (320) at the top (301) was produced by punching, and the blank (300) was back-attached with a sack applicator to produce a sleeve. Separately from this, as shown in FIG. 3A, a spout body (11) having a male screw (112) on the outer side of the peripheral wall of the spout (111) and having a pedestal ring (113) below.
0) was produced by injection molding using a polyester resin. Further, the protective ring (130) is injection-molded using a copolymer of polyethylene and polyester resin, and the inner ring (12) is attached to the top plate (121).
A cap (120) having 2) and having an internal thread (124) on the inner wall of the side wall (123) was injection-molded using polyethylene.
【００２０】次に、上述したスリーブの口栓挿通孔（３
２０）に上述のポリエステル樹脂製の口栓本体（１１
０）の注出口部（１１１）を挿通し、図３（ｂ）に示す
ように、口栓本体（１１０）の下部に設けられた台座リ
ング（１１３）の上面と紙容器の周壁板（２１０）の最
内層（２１３）との接触面（２０２）を超音波シール法
で熱融着して、口栓本体（１１０）を紙容器の周壁板
（２１０）に取り付けたのち、さらに、上述したポリエ
チレンとポリエステル樹脂との共重合体製の保護リング
（１３０）で、口栓本体（１１０）と紙容器の周壁板
（２１０）の口栓挿通孔の打抜断面とで形成されるリン
グ状の間隙（２０３）を覆い、この保護リング（１３
０）の下面と紙容器の周壁板（２１０）と口栓本体（１
１０）との接触面を超音波シール法で熱融着して、口栓
本体（１１０）の注出口部（１１１）に、上述したポリ
エチレン製のキャップ（１２０）を螺合して装着した。
次に、この口栓付き液体用紙容器のスリーブを、液体用
充填機に装填し、製箱、内容物充填、密封を行い、図５
に示す頂部が切り妻屋根形の本実施例の口栓付き液体用
紙容器（２００）を作製した。Next, the above-mentioned sleeve plug insertion hole (3
20) The above-mentioned polyester resin plug body (11)
0) through the spout (111), and as shown in FIG. 3 (b), the upper surface of the pedestal ring (113) provided at the bottom of the spout body (110) and the peripheral wall plate (210) of the paper container. The contact surface (202) with the innermost layer (213) of (1) is heat-sealed by an ultrasonic sealing method to attach the plug body (110) to the peripheral wall plate (210) of the paper container, and then the above-mentioned. A ring-shaped protective ring (130) made of a copolymer of polyethylene and polyester resin, which is formed by the stopper body (110) and the punched cross section of the stopper insertion hole of the peripheral wall plate (210) of the paper container. Covering the gap (203), this guard ring (13
0) lower surface, the peripheral wall plate (210) of the paper container, and the plug body (1
The contact surface with 10) was heat-sealed by an ultrasonic sealing method, and the above-mentioned polyethylene cap (120) was screwed onto the spout (111) of the spout body (110).
Next, the sleeve of the liquid paper container with the stopper is loaded into the liquid filling machine, and the box is made, the contents are filled, and the container is sealed.
A liquid paper container (200) with a spout of the present example having a gable roof shape as shown in FIG.
【００２１】次に、実施例１と同様に、本発明の口栓付
き液体用紙容器を評価してみたが、注出口部の周壁の外
側を垂れ下がった内容物は、保護リングによって、口栓
本体と紙容器の頂部周壁板の口栓挿通孔の打抜断面とで
形成されるリング状の間隙に侵入することがなく、口栓
取付部の強度が低下したり、外観を損なわれるようなこ
とは、全くなかった。Next, the liquid paper container with a stopper of the present invention was evaluated in the same manner as in Example 1, but the contents hanging down the outside of the peripheral wall of the spout were protected by a protective ring. Do not enter the ring-shaped gap formed by the punched cross-section of the mouth plug insertion hole of the top peripheral wall plate of the paper container, and reduce the strength of the mouth plug attachment part or impair the appearance. Was not at all.
【００２２】[0022]
【発明の効果】本発明の口栓付き液体用紙容器は、使用
時に口栓の口部から外に垂れた内容物が注出口部の周壁
を伝わって下降しも、口栓本体と紙容器の頂部周壁板の
口栓挿通孔の打抜断面とで形成されるリング状の間隙
が、保護リングで覆われているため、垂れ下がった内容
物が、上述のリング状の間隙に侵入することがなく、口
栓取付部の強度が低下したり、外観を損なわれるなどの
危惧がない。EFFECTS OF THE INVENTION The liquid paper container with a stopper according to the present invention, even when the contents hanging from the mouth portion of the stopper at the time of use descends along the peripheral wall of the spout, the stopper and the paper container Since the ring-shaped gap formed by the punching cross-section of the plug insertion hole of the top peripheral wall plate is covered with the protective ring, the hanging contents do not enter the ring-shaped gap described above. , There is no fear that the strength of the spigot mounting part will decrease or the appearance will be impaired.
【図１】（ａ）は、実施例１の口栓付き液体用紙容器の
口栓を取り付けた部分の断面図であり、（ｂ）は、その
Ａ部分の拡大図である。FIG. 1A is a sectional view of a portion of a liquid paper container with a stopper according to a first embodiment to which a stopper is attached, and FIG. 1B is an enlarged view of a portion A thereof.
【図２】（ａ）は、実施例２の口栓付き液体用紙容器の
口栓を取り付けた部分の断面図であり、（ｂ）は、その
Ａ部分の拡大図である。2A is a cross-sectional view of a portion of the liquid paper container with a stopper of Example 2 to which a stopper is attached, and FIG. 2B is an enlarged view of a portion A thereof.
【図３】（ａ）は、実施例３の口栓付き液体用紙容器の
口栓を取り付けた部分の断面図であり、（ｂ）は、その
Ａ部分の拡大図である。FIG. 3A is a sectional view of a portion of the liquid paper container with a stopper of Example 3 to which a stopper is attached, and FIG. 3B is an enlarged view of a portion A thereof.
【図４】（ａ）は、従来例の一例の口栓付き液体用紙容
器の口栓を取り付けた部分の断面図であり、（ｂ）は、
そのＡ部分の拡大図である。FIG. 4A is a cross-sectional view of a portion of a liquid paper container with a stopper of a conventional example, to which a stopper is attached, and FIG.
It is the enlarged view of the A part.
【図５】口栓付き液体用紙容器の一例の斜視図である。FIG. 5 is a perspective view of an example of a liquid paper container with a stopper.
【図６】口栓付き液体用紙容器の一例のブランクの展開
平面図である。FIG. 6 is a developed plan view of a blank of an example of a liquid paper container with a spout.
１００……口栓 １１０……口栓本体 １１１……注出口部（１１１） １１２……雄ねじ １１３……台座リング １１４……切取部 １１５……Ｖ字形切り込み １１６……薄肉脆弱線リング １１７……支柱 １１８……引張リング １２０……キャップ １２１……天板 １２２……インナーリング １２３……側壁 １２４……雌ねじ １３０……保護リング １４０……接着用リングフィルム １４１……上側層 １４２……下側層 ２００……口栓付き液体用紙容器 ２０１，３０１……頂部 ２０２……接触面 ２０３……間隙 ２１０……周壁板 ２１１……最外層 ２１２……基材層 ２１３……最内層 ３００……ブランク ３１０……折り目線 ３２０……口栓挿通孔 100 ... Plug 110 ... Plug body 111 ... Spout (111) 112 ... Male screw 113 ... Pedestal ring 114 ... Cutout 115 ... V-shaped notch 116 ... Thin-walled weak line ring 117 ... Strut 118 …… Tensing ring 120 …… Cap 121 …… Top plate 122 …… Inner ring 123 …… Sidewall 124 …… Female thread 130 …… Protection ring 140 …… Adhesive ring film 141 …… Upper layer 142 …… Lower side Layer 200 ... Liquid paper container 201 with spouts 201,301 ... Top 202 ... Contact surface 203 ... Gap 210 ... Plane wall 211 ... Outermost layer 212 ... Base material layer 213 ... Innermost layer 300 ... Blank 310: Crease line 320: Plug insertion hole
Claims (4)
容器において、紙容器の周壁板の口栓挿通孔に口栓本体
の注出口部を突出させ、前記口栓本体の下部に設けられ
た台座リングの上面と前記周壁板の最内層との接触面を
熱融着し、かつ、前記口栓本体と前記周壁板の口栓挿通
孔の打抜断面とで形成されるリング状の間隙を、保護リ
ングで覆い、この保護リングの下面と前記口栓本体及び
前記周壁板の最外層との接触面を熱融着したことを特徴
とする口栓付き液体用紙容器。1. A liquid paper container with a stopper for pouring out contents, wherein a spout main body has a spout insertion hole formed in a peripheral wall plate of the paper container, and a spout of the main body of the spout is protruded to a lower portion of the main body of the spout. A ring shape formed by heat-sealing the contact surface between the upper surface of the pedestal ring and the innermost layer of the peripheral wall plate, and the cross section of the plug body and the plug insertion hole of the peripheral wall plate. The liquid paper container with a stopper is characterized in that the gap between the above is covered with a protective ring, and the contact surface between the lower surface of the protective ring and the outermost layer of the stopper main body and the peripheral wall plate is heat-sealed.
容器において、紙容器の周壁板の口栓挿通孔にポリエチ
レン製の口栓本体の注出口部を突出させ、前記口栓本体
の下部に設けられた台座リングの上面と前記周壁板の最
内層のポリエチレン層との接触面を熱融着し、かつ、前
記口栓本体と前記周壁板の口栓挿通孔の打抜断面とで形
成されるリング状の間隙を、ポリエチレン製の保護リン
グで覆い、この保護リングの下面と前記口栓本体及び前
記周壁板の最外層のポリエチレン層との接触面を熱融着
したことを特徴とする口栓付き液体用紙容器。2. A liquid paper container with a spout for pouring out contents, wherein the spout body of polyethylene is made to project into a spout insertion hole of a peripheral wall plate of the paper container, and the spout body is formed. Of the pedestal ring provided in the lower part of the peripheral wall plate and the contact surface between the innermost polyethylene layer of the peripheral wall plate by heat fusion, and the punching cross-section of the plug body and the plug insertion hole of the peripheral wall plate. The ring-shaped gap formed by is covered with a polyethylene protective ring, and the contact surface between the lower surface of the protective ring and the outermost polyethylene layer of the spout body and the peripheral wall plate is heat-sealed. Liquid paper container with a stopper.
容器において、紙容器の周壁板の最外層がポリエチレン
層で最内層がポリエステル樹脂層である周壁板の口栓挿
通孔に、ポリエチレン製の口栓本体の注出口部を突出さ
せ、前記口栓本体の下部に設けられた台座リングの上面
と前記周壁板の最内層のポリエステル樹脂層との間に、
上側層がポリエステル樹脂層で下側層がポリエチレン層
からなる接着用リングフィルムを挿入して熱融着し、か
つ、前記口栓本体と前記周壁板の口栓挿通孔の打抜断面
とで形成されるリング状の間隙を、ポリエチレン製の保
護リングで覆い、この保護リングの下面と前記口栓本体
及び前記周壁板の最外層のポリエチレン層との接触面を
熱融着したことを特徴とする口栓付き液体用紙容器。3. A liquid paper container with a stopper for pouring out contents, wherein a peripheral wall plate of the paper container has a polyethylene layer as an outermost layer and a polyester resin layer as an innermost layer, into a plug insertion hole of the peripheral wall plate, Projecting the spout of the stopper body made of polyethylene, between the upper surface of the pedestal ring provided in the lower portion of the stopper body and the innermost polyester resin layer of the peripheral wall plate,
The upper layer is a polyester resin layer and the lower layer is a polyethylene layer, and an adhesive ring film is inserted and heat-sealed, and formed by the plug body and the punched cross-section of the plug insertion hole of the peripheral wall plate. The ring-shaped gap to be formed is covered with a polyethylene protective ring, and the contact surface between the lower surface of the protective ring and the outermost polyethylene layer of the spout body and the peripheral wall plate is heat-sealed. Liquid paper container with spout.
容器において、紙容器の周壁板の最外層がポリエチレン
層で最内層がポリエステル樹脂層である周壁板の口栓挿
通孔に、ポリエステル樹脂製の口栓本体の注出口部を突
出させ、前記口栓本体の下部に設けられた台座リングの
上面と前記周壁板の最内層のポリエステル樹脂層との接
触面を熱融着し、かつ、前記口栓本体と前記周壁板の口
栓挿通孔の打抜断面とで形成されるリング状の間隙を、
ポリエチレンとポリエステル樹脂との共重合体製の保護
リングで覆い、この保護リングの下面と前記口栓本体及
び前記周壁板の最外層のポリエチレン層との接触面を熱
融着したことを特徴とする口栓付き液体用紙容器。4. A liquid paper container with a stopper for pouring out contents, wherein a peripheral wall plate of the paper container has a polyethylene layer as an outermost layer and a polyester resin layer as an innermost layer, into a plug insertion hole of the peripheral wall plate, Projecting the spout of the stopper body made of polyester resin, heat-sealing the contact surface between the upper surface of the pedestal ring provided at the bottom of the stopper body and the innermost polyester resin layer of the peripheral wall plate, And, a ring-shaped gap formed by the plug body and the punching cross section of the plug insertion hole of the peripheral wall plate,
It is characterized in that it is covered with a protective ring made of a copolymer of polyethylene and polyester resin, and the contact surface between the lower surface of this protective ring and the outermost polyethylene layer of the spout body and the peripheral wall plate is heat-sealed. Liquid paper container with spout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11303194A JP3248346B2 (en) | 1994-05-26 | 1994-05-26 | Liquid paper container with spout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11303194A JP3248346B2 (en) | 1994-05-26 | 1994-05-26 | Liquid paper container with spout |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07315374A true JPH07315374A (en) | 1995-12-05 |
| JP3248346B2 JP3248346B2 (en) | 2002-01-21 |
Family
ID=14601727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11303194A Expired - Fee Related JP3248346B2 (en) | 1994-05-26 | 1994-05-26 | Liquid paper container with spout |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3248346B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3892564A1 (en) * | 2020-04-09 | 2021-10-13 | Tetra Laval Holdings & Finance S.A. | Spout for a package, lid-spout assembly for a package and package having a spout |
-
1994
- 1994-05-26 JP JP11303194A patent/JP3248346B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3892564A1 (en) * | 2020-04-09 | 2021-10-13 | Tetra Laval Holdings & Finance S.A. | Spout for a package, lid-spout assembly for a package and package having a spout |
| WO2021204675A1 (en) * | 2020-04-09 | 2021-10-14 | Tetra Laval Holdings & Finance S.A. | Spout for a package, lid-spout assembly for a package and package having a spout |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3248346B2 (en) | 2002-01-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |