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公开(公告)号：EP3533584A1
公开(公告)日：2019-09-04
申请号：EP17863901.9
申请日：2017-08-09
摘要： A liquid blow molding method of molding a preform (1) into a liquid-containing container (C) comprises: a first nozzle descending step of descending a blow nozzle (17) to a first position at which the blow nozzle (17) does not seal the mouth part (2); a gas-liquid replacement step of supplying a liquid (L) into the preform (1) from the blow nozzle (17) at the first position and discharging air inside the preform (1) to outside; a second nozzle descending step of descending the blow nozzle (17) to a second position at which the blow nozzle (17) seals the mouth part (2), after the gas-liquid replacement step; and a blow molding step of supplying the liquid (L) into the preform (1) from the blow nozzle (17) at the second position to blow mold the preform (1) into the predetermined shape.
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公开(公告)号：EP3492236A1
公开(公告)日：2019-06-05
申请号：EP17833828.1
申请日：2017-05-30
发明人： OKUYAMA Yuichi
摘要： Provided is synthetic resin preform (1) having a cylindrical mouth portion (11) provided with a male thread (11b) on an outer peripheral surface (11a), a cylindrical body portion (12) continuous with the mouth portion (11) and a bottom portion (13) configured to close a lower end of the body portion (12), the preform being formed into a container (40) of a predetermined shape by blow molding, the synthetic resin preform (1) further including, between the mouth portion (11) and the body portion (12), a holding surface (14) continuous with the outer peripheral surface (11a) of the mouth portion (11) and extending radially inward relative to the outer peripheral surface (11a). Provided also is a container containing contents (50) having a container (40) filled with contents and configured to close the mouth portion (11) with a cap (43), the container (40) being formed by blow molding the preform (1).
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公开(公告)号：EP3782795A1
公开(公告)日：2021-02-24
申请号：EP19788946.2
申请日：2019-03-06
发明人： HOSHINO Hideaki , OKUYAMA Yuichi , SUYAMA Kenichi
摘要： A liquid container manufacturing method includes: a liquid blow molding step of molding a preform (2) into a liquid container (C); and a headspace formation step of forming a headspace (H), by discharging, in a state in which a liquid supply path is closed, a liquid (L) out of the liquid container (C) through a discharge port (28a), the discharge accomplished by drawing-in by a liquid drawing source (33). In the headspace formation step, a pressurized gas is supplied from a pressurized gas supply source (38) into the liquid container (C) through a gas supply port (23c) to thereby assist the discharge, by the drawing-in, of the liquid (L) out of the liquid container (C) through the discharge port (28a), and, when a pressure in a discharge path has increased to a set value, the supply of the pressurized gas by the pressurized gas supply source (38) is stopped.
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公开(公告)号：EP3392016A1
公开(公告)日：2018-10-24
申请号：EP16875235.0
申请日：2016-10-17
发明人： OKUYAMA Yuichi
CPC分类号： B29C49/22 , B29C49/0005 , B29C49/02 , B29C49/46 , B29C2049/027 , B29K2027/06 , B29K2029/14 , B29K2067/003 , B29K2995/0026 , B29L2031/7158
摘要： By coating an inner surface of a preform (PF), in which at least an inner surface is made of polyester and which has transparency, with a coating layer (S), which has elongation capacity and water insolubility, the inner surface of the preform (PF) is protected against a pressurized liquid (L) by the coating layer (S) when the pressurized liquid (L) is supplied to the preform (PF), and occurrence of cloudiness on an inner surface of a container (C) after molding is prevented even in a case where a liquid having properties of eroding polyester and causing cloudiness on a polyester surface is used as the pressurized liquid (L) during liquid blow molding.
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公开(公告)号：EP4424492A1
公开(公告)日：2024-09-04
申请号：EP22886418.7
申请日：2022-08-09
发明人： ISHII Yusuke , OKUYAMA Yuichi
摘要： A synthetic resin container (1) that includes a mouth (10), a body (30) and a bottom (40), wherein
the body (30) includes:
an upper end portion (31);
a lower end portion (32); and
an intermediate portion (33) with a polygonal cross-sectional shape having, at vertices thereof, 6 to 12 inclined ridge lines (33a) spirally extending around the axis line (O) with a twist angle of 30° or more and 90° or less, the intermediate portion being disposed between the upper end portion (31) and the lower end portion (32), and wherein
when a width of a portion of the body (30) with a greatest diameter is W, and a height from ground to a boundary between the shoulder (20) and the body (30) is H, the synthetic resin container has a shape that satisfies W/H = 0.20 to 0.35.-
公开(公告)号：EP3718740A1
公开(公告)日：2020-10-07
申请号：EP18883542.5
申请日：2018-10-03
发明人： SHIOKAWA Mitsuru , OKUYAMA Yuichi
IPC分类号： B29C49/46
摘要： Provided is a liquid blow molding method of molding a synthetic resin preform (2) having a mouth portion(2a) into a liquid container (C) of a predetermined shape, the method including: an air-liquid replacement step of exhausting the air inside the preform (2) to the outside while a liquid (L) is supplied into the preform (2) from the mouth portion (2a) through a blow nozzle (23); an air-liquid separation step of separating the air from the liquid (L) inside the preform (2) by rotating the preform (2) about an axial center of the mouth portion (2a); and a blow molding step of molding the preform (2) into a container of a predetermined shape by supplying a pressurized liquid (L) into the preform (2) from the mouth portion (2a) through the blow nozzle (23), after the air-liquid separation step.
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公开(公告)号：EP3508326A1
公开(公告)日：2019-07-10
申请号：EP17845818.8
申请日：2017-06-07
发明人： OKUYAMA Yuichi , SUYAMA Kenichi
IPC分类号： B29C49/46
摘要： A liquid blow molding method includes: a preliminary pressurizing step of operating a pressure feeding source (30) to preliminary pressurize a liquid (L) between the pressure feeding source (30) and a blow nozzle (23); an operating condition setting step of setting an operating condition of the pressure feeding source (30) on the basis of data acquired by the preliminary pressurizing step; a blow molding step of liquid blow molding a preform (2) into a container of a predetermined shape; and a suck-back step of operating the pressure feeding source (30) in a reverse direction on the operating condition set in the operating condition setting step to suck back the liquid (L) from inside of the container molded into a predetermined shape in the blow molding step toward inside of the blow nozzle (23).
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8.发明公开
公开(公告)号：EP3733538A1
公开(公告)日：2020-11-04
申请号：EP18893503.5
申请日：2018-11-01
摘要： Provided are a synthetic resin-made container, a preform, and a method of manufacturing a synthetic resin-made container that can easily secure an air passage from an outside air introduction hole to a barrel portion. A synthetic resin-made container 1 has an outer layer body 2 and an inner layer body 3 separably laminated on an inner surface of the outer layer body 2 and is formed by stretch blow molding, and comprises: a tubular mouth portion 4; a shoulder portion 7 located below the mouth portion 4 and increasing in diameter downward; a barrel portion 5 connected to and located below the shoulder portion 7; and a bottom portion 6 closing a lower end of the barrel portion 5, wherein the mouth portion 4 has an outside air introduction hole 4b for introducing outside air into a space between the outer layer body 2 and the inner layer body 3, and the inner layer body 3 is made of a crystalline resin, and has, in at least a part of the mouth portion 4 in the inner layer body 3, a crystallized region 9 having a higher degree of crystallinity than other regions.
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公开(公告)号：EP3733375A1
公开(公告)日：2020-11-04
申请号：EP18893494.7
申请日：2018-10-25
摘要： Provided is a method of manufacturing a liquid container, in which, a nozzle unit (20) includes a blow nozzle (23) having a supply port (23a) and a spare supply tube (28) having, at a lower end thereof, a spare supply port (28a). The method includes: an air exhausting step of exhausting the air in the preform (2) to the outside by supplying a liquid (L) into the preform (2) from the spare supply port (28a) located at a bottom portion (2c) of the preform (2); a liquid blow molding step of molding the preform(2) into a liquid container (C) by supplying a pressurized liquid (L) from the supply port (23a) into the preform (2); and a headspace forming step of forming a headspace (H) by exhausting the liquid (L) from the inside of the liquid container (C).
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公开(公告)号：EP3616881A1
公开(公告)日：2020-03-04
申请号：EP18791682.0
申请日：2018-01-23
摘要： A liquid container manufacturing method includes: a nozzle fitting step of fitting a blow nozzle (23) into a mouth (2a) of a preform (2); a liquid replacing step of replacing the air in the preform (2) with a liquid (L) by supplying a predetermined amount of liquid (L) from a liquid supply port (23a) to the preform (2) with a discharge port (23b) open; and a liquid blow molding step of molding the preform (2) into a liquid container (C) by supplying a pressurized liquid (L) from the liquid supply port (23a) into the preform (2) after the discharge port (23b) is closed.
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