JPH0374171B2 - - Google Patents

Info

Publication number
JPH0374171B2
JPH0374171B2 JP59088206A JP8820684A JPH0374171B2 JP H0374171 B2 JPH0374171 B2 JP H0374171B2 JP 59088206 A JP59088206 A JP 59088206A JP 8820684 A JP8820684 A JP 8820684A JP H0374171 B2 JPH0374171 B2 JP H0374171B2
Authority
JP
Japan
Prior art keywords
plastic bottle
base cup
elastic bag
rod
attaching
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
Application number
JP59088206A
Other languages
Japanese (ja)
Other versions
JPS60230831A (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP59088206A priority Critical patent/JPS60230831A/en
Publication of JPS60230831A publication Critical patent/JPS60230831A/en
Publication of JPH0374171B2 publication Critical patent/JPH0374171B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
    • B29C66/5452—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other joining hollow bottoms to bottom of bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81455—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps being a fluid inflatable bag or bladder, a diaphragm or a vacuum bag for applying isostatic pressure
    • 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
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/001—Supporting means fixed to the container

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は、丸底のプラスチツクボトルの底部に
ベースカツプを取付ける方法に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for attaching a base cup to the bottom of a round-bottomed plastic bottle.

（従来技術） 近年、炭酸飲料、ビール等の容器としてポリエ
チレンテレフタレート等を素材とするいわゆる２
軸延伸プラスチツクボトルが普及しつつある。こ
れらのボトルは耐内圧性を高めるために略球面状
に膨出した丸底を有し、自立性を付与するために
底部にベースカツプを取付けている。これまでボ
トルの底部は比較的厚肉で剛性に富んでいたので
ボトル底部にベースカツプを接着剤等によつて取
り付ける場合にボトルを上から押圧すれば底部も
良好に圧接することができたが、底部の延伸倍率
を大きくして薄肉化する傾向のある最近のボトル
ではベースカツプと圧接する場合に底部が変形す
るという問題があつた。(Prior art) In recent years, containers for carbonated drinks, beer, etc. have been made using materials such as polyethylene terephthalate.
Axially stretched plastic bottles are becoming popular. These bottles have a round bottom that bulges out into a substantially spherical shape to increase internal pressure resistance, and a base cup is attached to the bottom to give them independence. Until now, the bottoms of bottles were relatively thick and rigid, so when attaching a base cup to the bottom of a bottle with adhesive, etc., if you pressed the bottle from above, you could make good pressure contact with the bottom. In recent bottles, which tend to be made thinner by increasing the stretching ratio of the bottom part, there is a problem in that the bottom part deforms when it comes into pressure contact with the base cup.

（発明の目的） 本発明は、底部の薄いプラスチツクボトルであ
つても底部に変形を生ずることなく良好にベース
カツプを取付ける方法を提供せんとするものであ
る。(Object of the Invention) An object of the present invention is to provide a method for attaching a base cup to a plastic bottle with a thin bottom without causing deformation of the bottom.

（発明の構成） 本発明の要旨は丸底のプラスチツクボトルの底
部にベースカツプを取付けるにあたり、伸縮自在
な弾性袋を先端に装着したロツドを、該弾性袋が
収縮した状態でプラスチツクボトル口部より挿入
し、このロツドを通じて弾性袋内部に圧力流体を
送り込んで膨張させることによりプラスチツクボ
トル底部を内面から押圧してベースカツプに圧接
することを特徴とするベースカツプ取付方法であ
る。(Structure of the Invention) The gist of the present invention is that when attaching a base cup to the bottom of a round-bottomed plastic bottle, a rod with a stretchable elastic bag attached to the tip is inserted through the mouth of the plastic bottle with the elastic bag contracted. This method of attaching a base cup is characterized in that pressure fluid is sent into the elastic bag through the rod to cause the bag to expand, thereby pressing the bottom of the plastic bottle from the inside and press-contacting the bottom of the plastic bottle to the base cup.

本発明におけるプラスチツクボトルとしては、
ポリエチレンテレフタレート、ポリアクリロニト
リル、ポリ塩化ビニル等のプラスチツクからなる
プリフオームを、その軟化点以上融点以下の温度
において、圧力流体を吹き込んで成形型内面に押
し付けて成形するいわゆるブロー成形法による丸
底のものが好適に使用できる。 The plastic bottle in the present invention includes:
Round-bottomed products are produced by the so-called blow molding method, in which a preform made of plastic such as polyethylene terephthalate, polyacrylonitrile, or polyvinyl chloride is molded by blowing pressure fluid into it and pressing it against the inner surface of a mold at a temperature above its softening point and below its melting point. It can be used suitably.

また、ベースカツプとしては、前記丸底を支え
る支持壁と自立性を得るための平坦な底面を有す
るものであれば良く、その材質もポリエチレン、
ポリエチレンテレフクレート等からなるもので、
射出成形、シートの加圧成形等により製造され
る。 Further, the base cup may be made of any material as long as it has a support wall that supports the round bottom and a flat bottom surface to obtain independence, and its material may be polyethylene,
Made of polyethylene terephragm, etc.
Manufactured by injection molding, sheet pressure molding, etc.

以下、添付図面を参照しながら説明する。 The following description will be made with reference to the accompanying drawings.

第１図は、本発明のベースカツプ取付方法の一
例を実施する様子を示す部分正面断面図である。 FIG. 1 is a partial front cross-sectional view showing an example of the base cup attaching method of the present invention.

第１図に示すように、プラスチツクボトル１１
の底部１１にベースカツプ２を取り付ける方法と
しては、通常ベースカツプ内面２１に加熱溶融し
たホツトメルト接着剤をアプリケーターにより塗
着し、その上にプラスチツクボトル１を置いて底
部１１を嵌合させる。そしてプラスチツクボトル
の上端口部１２を押棒３により押圧して、プラス
チツクボトル底部１２とベースカツプ内面２１と
を圧接する。 As shown in FIG.
The method for attaching the base cup 2 to the bottom part 11 of the plastic bottle is usually to apply hot melt adhesive to the inner surface 21 of the base cup using an applicator, place the plastic bottle 1 on top of the hot melt adhesive, and fit the bottom part 11 thereon. Then, the upper end mouth portion 12 of the plastic bottle is pressed by the push rod 3 to press the bottom portion 12 of the plastic bottle and the inner surface 21 of the base cup into pressure contact.

この時に、伸縮自在な弾性袋４を先端に装着し
たロツド５を、点線４１で示すように弾性袋４が
収縮した状態でプラスチツクボトルの口部１２よ
り挿入し、ロツド５内部の通路５１を通じて弾性
袋４内に圧送を送り込んで実線４に示すように膨
張させることによりプラスチツクボトル底部１１
を内面から押圧してベースカツプ２の上面２１に
圧接する。この圧接力がプラスチツクボトル底部
１１に働くので、底部の肉厚が薄くて変形し易い
場合であつても、前記押棒３の押圧力が効率的に
底部１１とベースカツプ２との圧接力として伝わ
るのである。 At this time, the rod 5 with the stretchable elastic bag 4 attached to its tip is inserted through the mouth 12 of the plastic bottle with the elastic bag 4 contracted as shown by the dotted line 41, and the elastic bag 4 is inserted through the passage 51 inside the rod 5. The plastic bottle bottom 11 is made by feeding pressure into the bag 4 and inflating it as shown by the solid line 4.
is pressed from the inner surface to press against the upper surface 21 of the base cup 2. Since this pressing force acts on the bottom part 11 of the plastic bottle, even if the bottom part is thin and easily deformed, the pressing force of the push rod 3 is efficiently transmitted as a pressing force between the bottom part 11 and the base cup 2. be.

ここで弾性袋４としてはゴム製のもの等適宜で
あるが、要するに内圧を抜いた時に縮んでプラス
チツクボトルの口部１２から挿入可能であれば良
い。 Here, the elastic bag 4 may be made of rubber or the like, but in short, any elastic bag 4 may be used as long as it shrinks when the internal pressure is released and can be inserted through the mouth 12 of the plastic bottle.

ベースカツプ上面２１に添着した溶融状態のホ
ツトメルト接着剤が冷却固化するまでに、その熱
がプラスチツクボトル底部１１に移動してこれを
軟化させて変形し易くさせる場合でも、上記弾性
袋４により底部１１を押圧して変形を防ぐととも
に、内部から冷却して底部１１の軟化を防ぐ作用
がある。 Even if the molten hot melt adhesive attached to the top surface 21 of the base cup is cooled and solidified, the heat transfers to the plastic bottle bottom 11 and softens it, making it easily deformable. It has the effect of not only pressing to prevent deformation but also cooling from the inside to prevent the bottom portion 11 from softening.

また、弾性袋を膨張させる圧力流体としては圧
空でも、水を圧入してもよい。 Furthermore, the pressure fluid for inflating the elastic bag may be air or water.

このようにして、プラスチツクボトル１にベー
スカツプ２を取り付けた後は、ロツド内の通路５
１から弾性袋４内の圧力流体を排出させて、再び
点線４１で示すように弾性袋４を収縮させてから
ロツド５をプラスチツクボトルの口部１２から抜
き出せばよい。 After attaching the base cup 2 to the plastic bottle 1 in this way, the passage 5 inside the rod is
1, the pressure fluid in the elastic bag 4 is discharged, the elastic bag 4 is contracted again as shown by the dotted line 41, and then the rod 5 is pulled out from the mouth 12 of the plastic bottle.

（発明の効果） 以上のように、本発明のベースカツプ取付方法
によれば、伸縮自在な弾性袋を先端に装着したロ
ツドを該弾性袋が収縮した状態でプラスチツクボ
トル口部より挿入し、このロツドを通じて弾性袋
内部に圧力流体を送り込んで膨張させることによ
りプラスチツクボトル底部を内面から押圧してベ
ースカツプに圧接するようにしたから、底部の薄
いプラスチツクボトルであつても底部に変形を生
ずることなく、確実にベースカツプに圧接して取
り付けることができるとともに細い口部からでも
ロツドの出入が自由に行なえ、さらに、ベースカ
ツプの取付に加熱を伴う場合でも底部を内面から
冷却してその軟化を防ぐという優れた作用効果を
奏するものである。(Effects of the Invention) As described above, according to the base cup attaching method of the present invention, a rod with a stretchable elastic bag attached to the tip is inserted through the mouth of a plastic bottle with the elastic bag contracted, and the rod is attached to the base cup. By injecting pressure fluid into the elastic bag through the elastic bag and inflating it, the bottom of the plastic bottle is pressed from the inside and comes into pressure contact with the base cup, so even if the bottom of the plastic bottle is thin, the bottom will not be deformed and the bottom will not deform. It can be attached to the base cup by pressure contact, and the rod can be inserted and removed freely even through the narrow mouth.Furthermore, even when attaching the base cup requires heating, it has an excellent effect of cooling the bottom from the inside to prevent it from softening. It is effective.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本発明のベースカツプ取付方法の一
例を実施する様子を示す部分正面断面図である。 １……プラスチツクボトル、１１……底部、１
２……口部、２……ベースカツプ、４……弾性
袋、５……ロツド。 FIG. 1 is a partial front cross-sectional view showing an example of the base cup attaching method of the present invention. 1...Plastic bottle, 11...Bottom, 1
2... Mouth part, 2... Base cup, 4... Elastic bag, 5... Rod.

Claims (1)

【特許請求の範囲】[Claims] １ 丸底のプラスチツクボトルの底部にベースカ
ツプを取付けるにあたり、伸縮自在な弾性袋を先
端に装着したロツドを、該弾性袋が収縮した状態
でプラスチツクボトル口部より挿入し、このロツ
ドを通じて弾性袋内部に圧力流体を送り込んで膨
張させることによりプラスチツクボトル底部を内
面から押圧してベースカツプに圧接することを特
徴とするベースカツプ取付方法。1. To attach a base cup to the bottom of a round-bottomed plastic bottle, insert a rod with a stretchable elastic bag at its tip through the mouth of the plastic bottle with the elastic bag contracted, and insert the rod into the inside of the elastic bag through this rod. A method for attaching a base cup, characterized in that the bottom of the plastic bottle is pressed from the inside by inflating it by feeding pressure fluid into the base cup.
JP59088206A 1984-05-01 1984-05-01 Attachment of base cup Granted JPS60230831A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59088206A JPS60230831A (en) 1984-05-01 1984-05-01 Attachment of base cup

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59088206A JPS60230831A (en) 1984-05-01 1984-05-01 Attachment of base cup

Publications (2)

Publication Number Publication Date
JPS60230831A JPS60230831A (en) 1985-11-16
JPH0374171B2 true JPH0374171B2 (en) 1991-11-26

Family

ID=13936424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59088206A Granted JPS60230831A (en) 1984-05-01 1984-05-01 Attachment of base cup

Country Status (1)

Country Link
JP (1) JPS60230831A (en)

Also Published As

Publication number Publication date
JPS60230831A (en) 1985-11-16

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