JPH0520688Y2 - - Google Patents
Info
- Publication number
- JPH0520688Y2 JPH0520688Y2 JP1987151392U JP15139287U JPH0520688Y2 JP H0520688 Y2 JPH0520688 Y2 JP H0520688Y2 JP 1987151392 U JP1987151392 U JP 1987151392U JP 15139287 U JP15139287 U JP 15139287U JP H0520688 Y2 JPH0520688 Y2 JP H0520688Y2
- Authority
- JP
- Japan
- Prior art keywords
- lower cap
- container
- cap
- partition plate
- outer cylinder
- 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.)
- Expired - Lifetime
Links
- 238000005192 partition Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 239000004604 Blowing Agent Substances 0.000 description 11
- -1 polyethylene Polymers 0.000 description 11
- 239000003599 detergent Substances 0.000 description 8
- 239000004594 Masterbatch (MB) Substances 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 150000007524 organic acids Chemical class 0.000 description 6
- 238000005187 foaming Methods 0.000 description 5
- 239000004088 foaming agent Substances 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- MWRWFPQBGSZWNV-UHFFFAOYSA-N Dinitrosopentamethylenetetramine Chemical compound C1N2CN(N=O)CN1CN(N=O)C2 MWRWFPQBGSZWNV-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 235000015165 citric acid Nutrition 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 150000004677 hydrates Chemical class 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- HWPKGOGLCKPRLZ-UHFFFAOYSA-M monosodium citrate Chemical compound [Na+].OC(=O)CC(O)(C([O-])=O)CC(O)=O HWPKGOGLCKPRLZ-UHFFFAOYSA-M 0.000 description 2
- 239000002524 monosodium citrate Substances 0.000 description 2
- 235000018342 monosodium citrate Nutrition 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- 239000004156 Azodicarbonamide Substances 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 1
- 235000019399 azodicarbonamide Nutrition 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 description 1
- 229910000020 calcium bicarbonate Inorganic materials 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000002526 disodium citrate Substances 0.000 description 1
- 235000019262 disodium citrate Nutrition 0.000 description 1
- CEYULKASIQJZGP-UHFFFAOYSA-L disodium;2-(carboxymethyl)-2-hydroxybutanedioate Chemical compound [Na+].[Na+].[O-]C(=O)CC(O)(C(=O)O)CC([O-])=O CEYULKASIQJZGP-UHFFFAOYSA-L 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 229940086066 potassium hydrogencarbonate Drugs 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 235000011044 succinic acid Nutrition 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- 229940038773 trisodium citrate Drugs 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Landscapes
- Closures For Containers (AREA)
Description
【考案の詳細な説明】
「産業上の利用分野」
本考案は、液体洗剤、仕上げ剤、飲料あるいは
化粧品などを収容する容器に関するものである。[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a container for containing liquid detergents, finishing agents, beverages, cosmetics, etc.
「従来の技術」
液体洗剤等を使用する際に、その使用量を簡便
に計量できる容器として、第２図に示すものが提
供されている。``Prior Art'' A container shown in FIG. 2 has been provided as a container that can easily measure the amount of liquid detergent used.
この容器は、内容液が収容される容器本体１と
その口部１ａに螺着された下キヤツプ２と、この
下キヤツプ２に螺着された合成樹脂製の上キヤツ
プ３とからなるものである。下キヤツプ２は、容
器本体１の口部１ａと係合する外筒部２ａと、容
器本体１内を外気から遮断するように外筒部２ａ
内を仕切る仕切板部２ｂによつて形成されてい
る。そして、この仕切板部２ｂには、容器本体１
内と外気を連通するように注出管２ｃおよび液戻
り口２ｄが設けられている。また上キヤツプ３
は、天板部３ａとその周縁から垂下する周壁部３
ｂによつてカツプ状に形成されており、その開口
端側の外周にはねじ３ｃが形成されている。この
上キヤツプ３の周壁部３ｂのねじ３ｃが設けられ
た部分より若干上方には断面逆Ｌ字状のシールリ
ング部３ｄが形成れている。 This container consists of a container body 1 in which the liquid content is accommodated, a lower cap 2 screwed onto the mouth 1a of the container body 1, and an upper cap 3 made of synthetic resin screwed onto the lower cap 2. . The lower cap 2 includes an outer cylindrical portion 2a that engages with the mouth portion 1a of the container body 1, and an outer cylindrical portion 2a that isolates the inside of the container body 1 from outside air.
It is formed by a partition plate portion 2b that partitions the inside. This partition plate part 2b has a container main body 1.
A spout pipe 2c and a liquid return port 2d are provided to communicate the inside and outside air. Also upper cap 3
is a top plate part 3a and a peripheral wall part 3 hanging from its periphery.
b is formed into a cup shape, and a screw 3c is formed on the outer periphery of the open end side. A seal ring portion 3d having an inverted L-shaped cross section is formed slightly above the portion of the peripheral wall portion 3b of the upper cap 3 where the screw 3c is provided.
そして、この容器にあつては、上キヤツプ３を
下キヤツプ２に螺着すると、上キヤツプ３のシー
ルリング部３ｄが下キヤツプ２の周壁部３ｂ上端
内面（以下、シール面と略称する）２ｅに内接し
て、容器内部が外気から遮断され、これにより内
容液の流出が防止されるようになつている。 In the case of this container, when the upper cap 3 is screwed onto the lower cap 2, the seal ring portion 3d of the upper cap 3 contacts the inner surface of the upper end (hereinafter abbreviated as seal surface) 2e of the peripheral wall portion 3b of the lower cap 2. By being inscribed, the inside of the container is isolated from the outside air, thereby preventing the contents from flowing out.
この容器に収容された液体洗剤を使用する際に
は、まず上キヤツプ３を取り外した後、容器を傾
け、取り外した上キヤツプ３に下キヤツプ２の注
出管２ｃから洗剤を注ぎ込んで液体洗剤を計量す
る。 When using the liquid detergent stored in this container, first remove the upper cap 3, then tilt the container, pour the detergent into the removed upper cap 3 from the spout pipe 2c of the lower cap 2, and pour the liquid detergent into the removed upper cap 3. Weigh.
そして、このように計量した液体洗剤を洗濯機
等に注いだ後、上キヤツプ３を下キヤツプ２に再
び装着すると、上キヤツプ３の内面に残留した液
体洗剤や、下キヤツプ２の注出管２ｃから垂れた
液体洗剤は、液戻り口２ｄを経て容器本体１に回
収される。 After pouring the measured liquid detergent into the washing machine etc., when the upper cap 3 is reattached to the lower cap 2, the liquid detergent remaining on the inner surface of the upper cap 3 and the spout pipe 2c of the lower cap 2 are removed. The liquid detergent dripping from the container body 1 is collected through the liquid return port 2d.
「考案が解決しようとする問題点」
ところで上記従来の容器の下キヤツプ２は、通
常、ポリエチレン等の合成樹脂を射出成形するこ
とによつて製造されている。``Problems to be Solved by the Invention'' By the way, the conventional lower cap 2 of the container described above is usually manufactured by injection molding a synthetic resin such as polyethylene.
ところが、このような合成樹脂からなる下キヤ
ツプ２の外筒部２ａは、仕切板部２ｂとの連設部
分２ｆが厚肉となつておりヒケ易いため、この部
分２ｆを境に外筒部２ａが外方（第２図中、矢印
Ｆの方向）に反つたり、外筒部２ａが楕円形に形
成される場合が多く、その結果、設計上は密接す
るはずの下キヤツプ２のシール面２ｅと上キヤツ
プ３のシールリング部３ｄとの間（以下シール部
Ａと記す）に間隙Ｄが生じて、容器の密閉性が損
なわれる問題があつた。 However, the outer cylindrical portion 2a of the lower cap 2 made of such synthetic resin has a thick portion 2f that is connected to the partition plate portion 2b and is prone to sink. In many cases, the outer cylindrical portion 2a is warped outward (in the direction of arrow F in FIG. 2), or the outer cylinder portion 2a is formed in an elliptical shape. There was a problem in that a gap D was created between the seal ring part 2e and the seal ring part 3d of the upper cap 3 (hereinafter referred to as seal part A), and the sealing performance of the container was impaired.
特に、口径の大きな大形液体容器になると、製
造時、良好な寸法精度を維持することがより困難
となるので、上キヤツプ３と下キヤツプ２のシー
ル部Ａに間隙が生じ易く、密封性能の安定した容
器を生産するにはシール部Ａに複雑な設計を施す
必要が生じたり、外筒部２のデザインを変更せざ
るを得なかつたり、キヤツプ２，３間のシール部
Ａに別途緩衝部材を設ける必要が生じて、容器の
製造コストの高騰を招く不満があつた。 In particular, when it comes to large-sized liquid containers with large diameters, it becomes more difficult to maintain good dimensional accuracy during manufacturing, so gaps are likely to form between the seals A of the upper cap 3 and lower cap 2, resulting in poor sealing performance. In order to produce a stable container, it may be necessary to create a complicated design for the seal part A, change the design of the outer cylinder part 2, or add a separate buffer material to the seal part A between the caps 2 and 3. This created the need to provide a container, which caused dissatisfaction with the rise in the manufacturing cost of the container.
「問題点を解決するための手段」
本考案の容器においては、下キヤツプを発泡プ
ラスチツクを用いて成形し、少なくとも外筒部と
仕切板部の連設部分に微細な気泡を形成すること
により、上記問題点の解決を図つた。"Means for Solving the Problems" In the container of the present invention, the lower cap is molded using foamed plastic, and fine air bubbles are formed at least in the continuous part of the outer cylinder part and the partition plate part. We attempted to solve the above problems.
発泡プラスチツクは、ポリエチレン、ポリプロ
ピレン、ABS樹脂、ポリスチレン等の合成樹脂
が発泡されてなるものである。これらの樹脂を発
泡させるには、各種の手段を利用できるが、中で
も発泡剤が好適に利用される。発泡剤としては、
分解性発泡剤が好適に利用される。分離性発泡剤
には、アゾジカルボンアミド系発泡剤や、Ｎ，
N′−ジニトロソペンタメチレンテトラミン
（DNPT）や、オキシビススルホニルヒドラジド
系発泡剤等を用いることができるが、特に炭酸
塩／有機酸系あるいは炭酸塩／有機酸塩系の発泡
剤を用いることが望ましい。炭酸塩としては炭酸
水素ナトリウム（NaHCO3）、炭酸ナトリウム
（Na2CO3）、炭酸水素カリウム（KHCO3）、炭酸
カリウム（KCO3）、炭酸水素カルシウム
（CaHCO3）等種々のものを用いることができる
が、中でも炭酸水素ナトリウムが好ましく用いら
れる。また、有機酸、有機酸塩としては、多価カ
ルボン酸であるクエン酸、酒石酸、リンゴ酸、コ
ハク酸等を用いることができるが、中でもクエン
酸やその水和物、あるいはクエン酸モノナトリウ
ム、クエン酸トリナトリウム、クエン酸ジナトリ
ウム等の水和物が好適に用いられる。これら炭酸
塩と有機酸（あるいは有機酸塩）からなる発泡剤
は、ガス発生時の熱分解反応が吸熱反応である点
で好適である。炭酸塩と有機酸（あるいは有機酸
塩）の配合比は、モル比で、９：１〜１：２、特
に４：１〜１：１程度であることが望ましい。有
機酸の割合が多いと、発泡倍率が低くなつて合成
樹脂を発泡させることが難しくなる。また、有機
酸の割合が少ない場合は得られる成形品中のセル
構造が粗雑になつてしまう不都合がある。 Foamed plastic is made by foaming synthetic resins such as polyethylene, polypropylene, ABS resin, and polystyrene. Various means can be used to foam these resins, among which foaming agents are preferably used. As a foaming agent,
Degradable blowing agents are preferably used. Separable blowing agents include azodicarbonamide blowing agents, N,
N′-dinitrosopentamethylenetetramine (DNPT), oxybissulfonyl hydrazide blowing agents, etc. can be used, but carbonate/organic acid blowing agents or carbonate/organic acid salt blowing agents are especially recommended. desirable. Various carbonates can be used such as sodium hydrogen carbonate (NaHCO 3 ), sodium carbonate (Na 2 CO 3 ), potassium hydrogen carbonate (KHCO 3 ), potassium carbonate (KCO 3 ), and calcium hydrogen carbonate (CaHCO 3 ). Among them, sodium hydrogen carbonate is preferably used. In addition, as organic acids and organic acid salts, polycarboxylic acids such as citric acid, tartaric acid, malic acid, and succinic acid can be used, but among them, citric acid and its hydrates, monosodium citrate, Hydrates of trisodium citrate, disodium citrate, etc. are preferably used. A blowing agent composed of a carbonate and an organic acid (or an organic acid salt) is suitable because the thermal decomposition reaction during gas generation is an endothermic reaction. The molar ratio of the carbonate to the organic acid (or organic acid salt) is preferably about 9:1 to 1:2, particularly about 4:1 to 1:1. When the proportion of organic acid is high, the foaming ratio becomes low and it becomes difficult to foam the synthetic resin. Furthermore, when the proportion of the organic acid is small, there is a disadvantage that the cell structure in the obtained molded product becomes rough.
なお、このように二成分からなる発泡剤では、
発泡剤の化学的安定性を高めるために、少なくと
も一方の成分を、ワツクス類、デンプン類、、金
属石けん様の粉状物質、あるいは鉱物油、植物
油、可塑剤等の油状物質でコーテイングして、両
成分の接触を防止しておくことが望ましい。 In addition, in a blowing agent consisting of two components like this,
In order to increase the chemical stability of the blowing agent, at least one component is coated with waxes, starches, powdery substances such as metal soaps, or oily substances such as mineral oil, vegetable oil, and plasticizers. It is desirable to prevent contact between both components.
上記発泡剤は、パウダー状で用いることもでき
るが、マスターバツチの状態で用いる方が発泡剤
の分散性や成形性を向上できる点で望ましい。マ
スターバツチ中には発泡剤を10〜20％程度の混合
しておくことが望ましい。また、このマスターバ
ツチの添加量は1.0〜2.4％程度であることが望ま
しい。マスターバツチの添加量が上記範囲未満に
なると発泡剤の分散性が悪くなる。また、マスタ
ーバツチの添加量が上記範囲を越えると気泡及び
未発泡のマスターバツチが成形品の表面に出て成
形品の外観が低下する問題が生じる。 The above-mentioned foaming agent can be used in powder form, but it is preferable to use it in the form of a masterbatch, since the dispersibility and moldability of the foaming agent can be improved. It is desirable to mix about 10 to 20% of a blowing agent into the masterbatch. Further, it is desirable that the amount added to this masterbatch is about 1.0 to 2.4%. If the amount of masterbatch added is less than the above range, the dispersibility of the blowing agent will deteriorate. Furthermore, if the amount of masterbatch added exceeds the above range, air bubbles and unfoamed masterbatch will appear on the surface of the molded product, resulting in a problem that the appearance of the molded product will deteriorate.
このような発泡プラスチツクによつて成形され
る下キヤツプの発泡倍率は1.4〜1.5倍程度である
ことが望ましい。 The foaming ratio of the lower cap molded from such foamed plastic is preferably about 1.4 to 1.5 times.
「作用」
下キヤツプを発泡性プラスチツクによつて製造
すると、外筒部と仕切板部とが連設した肉厚の部
分に微細な気泡が集中的に生成される。これは、
下キヤツプを成形する際に、この連設部分の中心
部を形成する樹脂の冷却が外面より徐々に冷却す
る関係で一番最後になり、この部分が高温に長時
間保持されるためと思われる。``Operation'' When the lower cap is manufactured from foamed plastic, fine air bubbles are generated intensively in the thick part where the outer cylinder part and the partition plate part are connected. this is,
When molding the lower cap, the resin that forms the center of this continuous part is cooled last as it gradually cools down from the outer surface, and this seems to be because this part is kept at a high temperature for a long time. .
そして、この部分に集中して生成した均一微細
な気泡によつて体積収縮が抑えられて、外筒部と
仕切板部との連設部分が材料の成形収縮で凹む現
象が防止される。その結果、外筒部の外面側が連
設部分に向かつて引つ張られ、外筒部が外方に反
るのを防止できる。 Then, the volumetric shrinkage is suppressed by the uniform fine bubbles generated in a concentrated manner in this portion, and the phenomenon in which the continuous portion of the outer cylinder portion and the partition plate portion is dented due to molding shrinkage of the material is prevented. As a result, the outer surface side of the outer cylindrical portion is stretched toward the continuous portion, and it is possible to prevent the outer cylindrical portion from warping outward.
「実施例」
以下、図面に示す実施例を参照して本考案の容
器を詳しく説明する。なお、上記従来例と同一構
成部分には同一符号を付して、説明を簡略化す
る。"Embodiments" Hereinafter, the container of the present invention will be described in detail with reference to embodiments shown in the drawings. Note that the same reference numerals are given to the same components as in the above conventional example to simplify the explanation.
第１図は、本考案の容器の要部を拡大して示す
ものである。 FIG. 1 shows an enlarged view of the main parts of the container of the present invention.
この容器の下キヤツプ２は、ポリプロピレンに
炭酸水素ナトリウムとクエン酸モノナトリウムと
からなる発泡剤が添加された発泡プラスチツクを
射出成形して製造されたものである。このものの
発泡倍率は1.4倍であつた。 The lower cap 2 of this container is manufactured by injection molding a foamed plastic made of polypropylene to which a foaming agent consisting of sodium bicarbonate and monosodium citrate is added. The foaming ratio of this product was 1.4 times.
この下キヤツプ２の外筒部２ａは、略円筒状に
形成されており、その下端部分は外方に拡径され
ている。また、この下キヤツプ２の注出管２ｃに
は、縦に切り込み2gが形成されており、この切
り込み2gは液戻り口２ｄに連設されている。 The outer cylindrical portion 2a of the lower cap 2 is formed into a substantially cylindrical shape, and its lower end portion is expanded in diameter outward. Further, a vertical notch 2g is formed in the spout pipe 2c of the lower cap 2, and this notch 2g is connected to the liquid return port 2d.
この下キヤツプ２の外筒部２ａと仕切板部２ｂ
との連設部分２ｆには、集中して微細な気泡５…
が形成されている。 The outer cylinder part 2a and the partition plate part 2b of this lower cap 2
In the continuous part 2f, fine air bubbles 5 are concentrated.
is formed.
この下キヤツプ２を100個検査した。検査した
下キヤツプ２は、外筒部２ａの上部Ｂの高さが31
mm、外筒部２ａの上端の外径が48mm、下端の外径
が50mmのものであつた。 100 of these lower caps 2 were inspected. The lower cap 2 that was inspected had a height of 31 mm at the upper part B of the outer cylinder part 2a.
mm, the outer diameter of the upper end of the outer cylinder portion 2a was 48 mm, and the outer diameter of the lower end was 50 mm.
まず製造された下キヤツプ２の外筒部２ａに定
規を当てて調べたところ、外筒部２ａと定規との
間に形成されたすき間は、最大でも0.2mm弱であ
り、外筒部が上端から下端にかけて設計どおり真
つ直ぐに形成されていることが確認された。ちな
みに、この下キヤツプ２をポリプロピレンで形成
して調べたところ、すき間は最小でも0.3mm、最
大では0.5mmであつた。 First, when we examined the outer cylinder part 2a of the manufactured lower cap 2 by applying a ruler to it, we found that the gap formed between the outer cylinder part 2a and the ruler was a little less than 0.2 mm at most, and the outer cylinder part was located at the upper end. It was confirmed that it was formed straight from the top to the bottom end as designed. By the way, when this lower cap 2 was made of polypropylene and examined, the minimum gap was 0.3 mm, and the maximum gap was 0.5 mm.
ついで、下キヤツプ２の外筒部２ａの上端の径
を測定したところ、最大径部分と最小径部分との
外径の差は最大で0.4mmであつた。これに対して、
ポリプロピレンで形成された下キヤツプ２は、最
大径と最小径との差が0.5〜0.8mm程度であつた。
この結果から、この容器の下キヤツプ２の外筒部
２ａは、良好な円形に形成されていることが確認
された。 Then, when the diameter of the upper end of the outer cylindrical portion 2a of the lower cap 2 was measured, the difference in outer diameter between the maximum diameter portion and the minimum diameter portion was 0.4 mm at maximum. On the contrary,
The lower cap 2 made of polypropylene had a difference between the maximum diameter and the minimum diameter of about 0.5 to 0.8 mm.
From this result, it was confirmed that the outer cylindrical portion 2a of the lower cap 2 of this container was formed into a good circular shape.
「考案の効果」
以上説明したように本考案の容器は、下キヤツ
プが発泡プラスチツクによつて形成されているの
で、成形後に、発泡によつて少なくとも外筒部と
仕切板部の連設部分内に微細な気泡が形成され、
下キヤツプの外筒部の形状精度が良好なものとな
る。``Effects of the Invention'' As explained above, in the container of the present invention, since the lower cap is formed of foamed plastic, after molding, at least the portion where the outer cylinder part and the partition plate part are connected is formed by foaming. fine bubbles are formed in the
The shape accuracy of the outer cylindrical portion of the lower cap is improved.
従つて、本考案の容器は、下キヤツプと上キヤ
ツプとシール部が良好に密着し得る密封性が極め
て良好なものとなる。 Therefore, the container of the present invention has an extremely good sealing property in which the lower cap, the upper cap, and the seal portion can be brought into close contact with each other.
第１図は本考案の容器の一実施例の要部を示す
断面図、第２図は従来の容器を示す断面図であ
る。
１……容器本体、１ａ……口部、２……下キヤ
ツプ、２ａ……外筒部、２ｂ……仕切板部、２ｅ
……シール面、３……上キヤツプ、３ａ……天板
部、３ｂ……周壁部、３ｄ……シールリング部。
FIG. 1 is a sectional view showing essential parts of an embodiment of the container of the present invention, and FIG. 2 is a sectional view showing a conventional container. DESCRIPTION OF SYMBOLS 1... Container body, 1a... Mouth part, 2... Lower cap, 2a... Outer cylinder part, 2b... Partition plate part, 2e
... Seal surface, 3 ... Upper cap, 3a ... Top plate part, 3b ... Peripheral wall part, 3d ... Seal ring part.
Claims (1)
着され外筒部と該外筒部に連設して外筒部内を仕
切る仕切板部からなる下キヤツプ、およびこの下
キヤツプに装着され天板部とその周縁から垂下す
る周壁部とからなる合成樹脂製の上キヤツプによ
り構成され、前記上キヤツプの周壁部が前記下キ
ヤツプの外筒部の仕切板部より上部側に密接して
容器内部を外気から遮断するようになされた容器
において、 前記下キヤツプは、発泡プラスチツクを成形し
てなるもので外筒部と仕切板部の連設部分内に微
細な気泡が形成されていることを特徴とする容
器。[Scope of Claim for Utility Model Registration] A container body that accommodates the liquid content, a lower cap that is attached to the container body and consists of an outer cylindrical part and a partition plate part that is connected to the outer cylindrical part and partitions the inside of the outer cylindrical part, and this lower cap. The upper cap is made of synthetic resin and is attached to the lower cap and consists of a top plate part and a peripheral wall part hanging from the periphery of the top plate part, and the peripheral wall part of the upper cap is located above the partition plate part of the outer cylinder part of the lower cap. The lower cap is made of foamed plastic, and fine air bubbles are formed in the continuous portion of the outer cylinder and the partition plate. A container characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987151392U JPH0520688Y2 (en) | 1987-10-02 | 1987-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987151392U JPH0520688Y2 (en) | 1987-10-02 | 1987-10-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6455254U JPS6455254U (en) | 1989-04-05 |
| JPH0520688Y2 true JPH0520688Y2 (en) | 1993-05-28 |
Family
ID=31425396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987151392U Expired - Lifetime JPH0520688Y2 (en) | 1987-10-02 | 1987-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0520688Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59152160A (en) * | 1982-11-17 | 1984-08-30 | ザ，プロクタ−，エンド，ギヤンブル，カンパニ− | Pour-out and weighing package of liquid product |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6287044U (en) * | 1985-11-18 | 1987-06-03 |
-
1987
- 1987-10-02 JP JP1987151392U patent/JPH0520688Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59152160A (en) * | 1982-11-17 | 1984-08-30 | ザ，プロクタ−，エンド，ギヤンブル，カンパニ− | Pour-out and weighing package of liquid product |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6455254U (en) | 1989-04-05 |
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