JP5735012B2 - プラスチック容器 - Google Patents
プラスチック容器 Download PDFInfo
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- JP5735012B2 JP5735012B2 JP2012554024A JP2012554024A JP5735012B2 JP 5735012 B2 JP5735012 B2 JP 5735012B2 JP 2012554024 A JP2012554024 A JP 2012554024A JP 2012554024 A JP2012554024 A JP 2012554024A JP 5735012 B2 JP5735012 B2 JP 5735012B2
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- 239000004033 plastic Substances 0.000 title claims description 9
- 229920003023 plastic Polymers 0.000 title claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 description 23
- 238000000034 method Methods 0.000 description 14
- 229920000642 polymer Polymers 0.000 description 13
- 239000005020 polyethylene terephthalate Substances 0.000 description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 description 9
- 230000003068 static effect Effects 0.000 description 9
- 238000000465 moulding Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 235000013305 food Nutrition 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 238000009928 pasteurization Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- -1 polyethylene terephthalate Polymers 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000012174 carbonated soft drink Nutrition 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000010746 mayonnaise Nutrition 0.000 description 1
- 239000008268 mayonnaise Substances 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 235000021400 peanut butter Nutrition 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 235000021055 solid food Nutrition 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- B65D79/00—Kinds or details of packages, not otherwise provided for
- B65D79/005—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting
- B65D79/008—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting the deformable part being located in a rigid or semi-rigid container, e.g. in bottles or jars
- B65D79/0081—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting the deformable part being located in a rigid or semi-rigid container, e.g. in bottles or jars in the bottom part thereof
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/28—Blow-moulding apparatus
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/54—Moulds for undercut articles
- B29C49/541—Moulds for undercut articles having a recessed undersurface
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/56—Opening, closing or clamping means
-
- 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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
- B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
- B65D1/0261—Bottom construction
- B65D1/0276—Bottom construction having a continuous contact surface, e.g. Champagne-type bottom
-
- 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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/40—Details of walls
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C2049/4879—Moulds characterised by mould configurations
- B29C2049/4889—Mould halves consisting of an independent neck, main and bottom part
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C2049/4879—Moulds characterised by mould configurations
- B29C2049/4892—Mould halves consisting of an independent main and bottom part
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
- B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
- B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
- B29C2949/0771—Wide-mouth
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/08—Biaxial stretching during blow-moulding
- B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
- B29C49/12—Stretching rods
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
- B29C49/4812—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity and welding opposite wall parts of the parisons or preforms to each other
- B29C49/4815—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity and welding opposite wall parts of the parisons or preforms to each other by means of movable mould parts
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/02—Combined thermoforming and manufacture of the preform
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7158—Bottles
- B29L2031/716—Bottles of the wide mouth type, i.e. the diameters of the bottle opening and its body are substantially identical
-
- 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
- B65D2501/00—Containers having bodies formed in one piece
- B65D2501/0009—Bottles or similar containers with necks or like restricted apertures designed for pouring contents
- B65D2501/0018—Ribs
- B65D2501/0036—Hollow circonferential ribs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Description
容器が陽圧下にある場合(図19)、約6.8cm(2.678インチ)の起立リング直径を有する容器について、距離A”は約1.27mm〜約2.79mm(約0.050インチ〜約0.110インチ)になる。したがって、(A−A”)/起立リング直径の比は約27:1〜約38:1になる。さらに、A”とA’との間の差は、前記パネルの屈曲範囲を画定し、約6.8cm(2.678インチ)の起立リングの直径を有する容器については、起立リング直径に対する屈曲範囲の比が約4:1〜約6:1になるように、前記屈曲範囲は約1.14cm〜約1.63cm(0.450インチ〜約0.640インチ)になる。
Claims (24)
- プラスチック容器であって、
チャンバを画定し、かつ、第1端部および第2端部と、第1端部において前記チャンバへの開口とを有する側壁と、
前記側壁から延びて第2端部を閉鎖する基部であって、前記基部は、支持構造を画定する外周部分と、前記支持構造から半径方向内側に離間されて、水平線と90°より小さい角度を形成する軸線方向内方に延びる周壁と、前記周壁の端部を閉鎖する圧力補償パネルとを有し、前記圧力補償パネルは、容器の容積を変化させるために、(i)前記パネルの中央部分が前記周壁の頂部より下方に位置する第1位置から、(ii)前記中央部分が周壁の頂部より上方に位置する第2位置へ、さらに(iii)第1位置から軸線方向外方であって、外周部分の底を通る面よりも内側に位置する第3位置へ該容器の軸線に沿って可動である、基部と、
前記パネル上の複数の周方向に離間された半径方向溝であって、前記溝は、複数の細線からなり、前記溝の反対面において前記パネルの表面を中断することなく前記パネルの厚さの一部分を通るヒンジを形成し、前記パネルに対して可撓性を付与する、半径方向溝と、
を備えるプラスチック容器。 - 前記パネル上に第1周方向溝をさらに備える、請求項1に記載の容器。
- 第1周方向溝は前記複数の半径方向溝のうちの少なくとも1本と交差する、請求項2に記載の容器。
- 少なくとも2本の半径方向溝が存在する、請求項2に記載の容器。
- 第1周方向溝は、前記半径方向溝のうちの少なくとも2本と、それらの中間部分で交差する、請求項4に記載の容器。
- 前記支持構造は、円形、楕円形および多角形のいずれか1つの形状を有する、請求項1に記載の容器。
- 前記周壁は、円形、楕円形および多角形のいずれか1つの形状を有する、請求項6に記載の容器。
- 前記支持構造は略円形形状を有し、かつ、前記周壁は略円形形状を有する、請求項1に記載の容器。
- 前記周壁は前記支持構造に関して同心的に配置されている、請求項8に記載の容器。
- 前記外周部分は第1直径を有し、前記圧力補償パネルは第2直径を有し、第2直径は第1直径の少なくとも75%である、請求項9に記載の容器。
- 少なくとも6本の半径方向溝が存在する、請求項9に記載の容器。
- 8本の半径方向溝が存在する、請求項9に記載の容器。
- 第2周方向溝をさらに備える、請求項2に記載の容器。
- 第2周方向溝は、第1周方向溝に関して同心的に配置されている、請求項13に記載の容器。
- 前記容器はPET材からなる、請求項1に記載の容器。
- 前記圧力補償パネルの厚さは、前記側壁の厚さよりも30%〜60%薄い、請求項1に記載の容器。
- 前記圧力補償パネルは、常に前記チャンバ内に配置される、請求項1に記載の容器。
- 前記容器は側壁において圧力補償フィーチャを含まない、請求項1に記載の容器。
- プラスチック容器であって、
チャンバを画定し、かつ、第1端部および第2端部と、第1端部において前記チャンバへの開口とを有する側壁と、
前記側壁から延びて第2端部を閉鎖する基部であって、前記基部は、支持構造を画定する外周部分と、前記支持構造から半径方向内側に離間されて、水平線と90°より小さい角度を形成する軸線方向内方に延びる周壁と、前記周壁の端部を閉鎖する圧力補償パネルとを有し、前記圧力補償パネルは、容器の容積を変化させるために、(i)前記パネルの中央部分が前記周壁の頂部より下方に位置する第1位置から、(ii)前記中央部分が周壁の頂部より上方に位置する第2位置へ、さらに(iii)第1位置から軸線方向外方であって、外周部分の底を通る面よりも内側に位置する第3位置へ該容器の軸線に沿って可動であるとともに、前記側壁の厚さよりも30%〜60%薄い厚さを有する、基部と、
前記パネル上の複数の周方向に離間された半径方向溝であって、前記溝は、複数の細線からなり、前記溝の反対面において前記パネルの表面を中断することなく前記パネルの厚さの一部分を通るヒンジを形成し、前記パネルに対して可撓性を付与する、半径方向溝と、
を備えるプラスチック容器。 - 前記パネル上に第1周方向溝をさらに備える、請求項19に記載の容器。
- 前記圧力補償パネルは、常に前記チャンバ内に配置される、請求項19に記載の容器。
- 前記容器は側壁において圧力補償フィーチャを含まない、請求項19に記載の容器。
- プラスチック容器であって、
圧力補償フィーチャを含んでおらず、チャンバを画定し、さらに、第1端部および第2端部と、第1端部において前記チャンバへの開口とを有する側壁と、
前記側壁から延びて第2端部を閉鎖する基部であって、前記基部は、支持構造を画定する外周部分と、前記支持構造から半径方向内側に離間されて、水平線と90°より小さい角度を形成する軸線方向内方に延びる周壁と、前記周壁の端部を閉鎖する圧力補償パネルとを有し、前記圧力補償パネルは、容器の容積を変化させるために、(i)前記パネルの中央部分が前記周壁の頂部より下方に位置する第1位置から、(ii)前記中央部分が周壁の頂部より上方に位置する第2位置へ、さらに(iii)第1位置から軸線方向外方であって、外周部分の底を通る面よりも内側に位置する第3位置へ該容器の軸線に沿って可動であるとともに、常に前記チャンバ内に配置され、かつ、前記側壁の厚さよりも30%〜60%薄い厚さを有する、基部と、
前記パネル上の第1周方向溝と、
前記パネル上の複数の周方向に離間された半径方向溝であって、前記溝は、複数の細線からなり、前記溝の反対面において前記パネルの表面を中断することなく前記パネルの厚さの一部分を通るヒンジを形成し、前記パネルに対して可撓性を付与する、半径方向溝と、
を備えるプラスチック容器。 - 前記軸線方向内方に延びる周壁の角度は、80°〜90°未満である、請求項1、19および23のいずれか一項に記載の容器。
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US12/709,302 US8444002B2 (en) | 2010-02-19 | 2010-02-19 | Pressure compensating bases for polymeric containers |
PCT/US2011/025254 WO2011103296A2 (en) | 2010-02-19 | 2011-02-17 | Pressure compensating bases for polymeric containers |
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