WO2004009332A1 - 熱可塑性樹脂容器の製造方法 - Google Patents
熱可塑性樹脂容器の製造方法 Download PDFInfo
- Publication number
- WO2004009332A1 WO2004009332A1 PCT/JP2003/009005 JP0309005W WO2004009332A1 WO 2004009332 A1 WO2004009332 A1 WO 2004009332A1 JP 0309005 W JP0309005 W JP 0309005W WO 2004009332 A1 WO2004009332 A1 WO 2004009332A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thermoplastic resin
- container
- sheet
- flange
- resin container
- Prior art date
Links
Classifications
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- 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
- B29C51/08—Deep drawing or matched-mould forming, i.e. using mechanical means only
-
- 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
- B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/006—Using vacuum
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/007—Using fluid under pressure
-
- 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
- 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
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/261—Handling means, e.g. transfer means, feeding means
- B29C51/262—Clamping means for the sheets, e.g. clamping frames
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- 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
- B29L2031/7132—Bowls, Cups, Glasses
Definitions
- thermoplastic resin container Description Manufacturing method of thermoplastic resin container
- thermoplastic resin have excellent impact resistance and are easy to handle.
- thermoplastic polyesters such as polyethylene terephthalate have been widely used in various containers because of their excellent impact resistance, excellent transparency, and gas barrier properties.
- a sheet of softened polyethylene terephthalate is drawn using a male plug into a female mold heated above the glass transition point of the sheet, There is a method of manufacturing by contacting, heat setting, shrinking back on a male plug and cooling (Japanese Patent Laid-Open No. 58-89319). According to this molding method, transparency can be imparted by stretching the polyethylene terephthalate sheet, and heat resistance can be improved by heat setting.
- an object of the present invention is to provide a method for manufacturing a thermoplastic resin container in which the thickness of the container bottom is increased and the warpage of the flange is improved.
- the present inventors have conducted intensive research and have found that a plug In the step of molding the thermoplastic resin sheet into a container, first, the thermoplastic resin sheet is pre-molded with a plug, then the pre-molded portion of the thermoplastic resin sheet is clamped, and then the plug is stroked.
- the present inventors have found that by performing the main forming (stretch forming) of the container body into the sheet up to the end, the thickness of the container bottom can be increased and the warpage of the flange portion can be improved, and the present invention has been completed. Disclosure of the invention
- the present invention relates to a method of thermoforming a reinforced container from a thermoplastic resin sheet by means of a plug, wherein the thermoplastic resin sheet is preformed by a plug, and then the preformed part of the thermoplastic resin sheet is This is a method of manufacturing a thermoplastic resin container that is fully molded by clamping.
- the resin sheet does not have to be stretched by pre-molding, but it is more preferable to stretch a portion of the resin sheet corresponding to the mouth or flange of the container by pre-molding.
- the mouth is oriented and crystallized, and the warpage after the molding can be improved.
- the portion corresponding to the container mouth before forming the container body, it is possible to draw the transcript from the portion that has been conventionally treated as a skeleton to the container side. Therefore, the bottom of the container is made thicker.
- the flange portion is oriented and crystallized, and the warpage after molding can be improved.
- the resin can be drawn into the container side from the part that was conventionally treated as a skeleton, and the thickness of the bottom of the container can be reduced. You can flesh.
- the resin flows into the flange inside (inner circumferential direction) and outside the flange (outer circumferential direction) from the portion corresponding to the flange of the clamped sheet. Flow orientation occurs in the part, and oriented crystallization is promoted, so that warpage after molding can be improved.
- flange portion includes the flange portion and its periphery.
- a step of fixing the outer periphery of the portion to be molded that is, the outer periphery of the portion corresponding to the mouth portion or the flange portion of the container at the time of pre-molding with a plug (hereinafter, referred to as a pre-clamping step) may be provided.
- a pre-clamping step a step of fixing the outer periphery of the portion to be molded, that is, the outer periphery of the portion corresponding to the mouth portion or the flange portion of the container at the time of pre-molding with a plug.
- a mold apparatus 90 in which a large number of molding dies 91 are arranged adjacent to each other is used as shown in FIG.
- a resin sheet is interposed between adjacent dies.
- the distance between the peripheral mold 91 and the frame 92 differs, and the amount of resin between them also differs.
- the thickness of the container varies between the containers and the container itself due to the difference.
- thermoplastic resin sheet corresponding to the flange portion is made of a plant material such as silicone oil, palm oil, glamor wax, or the like. It is preferable to apply a lubricant such as an oil or fat. If you want to reduce the effect on the contents, you only need to apply it to the outer surface.
- thermoforming is a process of pressure-forming the thermoplastic resin sheet into a lower mold heated to a temperature higher than the crystallization temperature of the thermoplastic resin sheet and heat-setting the same. It is preferable to employ a molding method in which the pressure is reduced by reducing the pressure, the plug is shaped into the final container shape, and the plug is cooled.
- thermoplastic polyester resin By doing so, the mechanical strength, transparency and heat resistance of the thermoplastic polyester resin are improved.
- the cup-shaped container is formed so that the H / D (height / inner diameter of the mouth portion) is 1.3 to 2.1.
- the ratio is smaller than 1.3, the stretching becomes insufficient, the orientation and crystallization may not be performed, and the transparency of the container may be reduced. If the ratio is larger than 2.1, shaping becomes difficult. In particular, 1.3 to 1.8 force is preferable. In other words, it is suitable for manufacturing deep drawn containers.
- the area stretching ratio of the container bottom is 3.5 to 10 times. In particular, 3.5 to 9 times is preferable.
- FIG. 1 is a side sectional view of a molding apparatus for carrying out the production method of the present invention.
- FIG. 2 is a side sectional view when the thermoplastic resin sheet is fixed (pre-clamped).
- FIG. 3 is a side sectional view showing a pre-molding step.
- FIG. 4 is a side cross-sectional view showing a step of clamping and forming a stretched portion of a thermoplastic resin sheet.
- FIG. 5 is a side sectional view showing the stretching step.
- FIG. 6 is a side sectional view showing a heat setting step.
- FIG. 7 is a side sectional view showing a cooling / shaping process.
- FIG. 8 is a side cross-sectional view showing a releasing step.
- FIG. 9 is a plan view of a molding apparatus for producing a container having an opal cross-sectional shape.
- FIGS. 1 to 10 are drawings for explaining an embodiment in which the manufacturing method of the present invention is applied to a solid phase molding method.
- the plug 11 is for stretching and molding the thermoplastic resin sheet 16. In addition, in order to shrink and shape the stretched and heat-set (heat-set) sheet, it has the outer shape of the final molded body.
- the plug 11 is provided with a gas passage 111 for compressed air and decompression in the axial direction.
- the lower mold 12 is for heat setting the sheet away from the plug.
- a flange holding surface 122 for forming a flange in cooperation with the upper mold 13 is provided on the upper end surface of the lower mold 12.
- a gas passage 121 for discharging and supplying gas is formed in the center of the lower mold 12.
- the lower mold 12 and the plug 11 are coaxially arranged, and are relatively movable in the axial direction so that the plug 11 is inserted into the lower mold 12 and is separated therefrom.
- the upper mold 13 cooperates with the lower mold 12 to form a flange (mouth) and is a short hollow cylindrical body. Therefore, the upper mold 13 has an inner surface 13 1 having substantially the same diameter as the cylindrical inner surface of the lower mold 12, and the lower end surface thereof has a flange holding surface 1 2 2 of the lower mold 12.
- a grip surface 1 32 of the same shape is provided.
- the upper and lower mold flange holding surfaces may be flat, or if necessary, one or both of the molds may have irregularities.
- the upper pre-clamp mold 14 and the lower pre-clamp mold 15 are provided coaxially on the outer periphery of the upper mold 13 and the lower mold 12, and cooperate to fix the thermoplastic resin sheet. Further, the lower pre-clamp mold 15 operates independently of the plug 11 and the lower mold 12.
- the sheet 16 is clamped on four sides or two sides (not shown) and fixed between the upper mold 13 and the lower mold 12 and the like.
- the temperature of the sheet at this time depends on the resin used, but in the case of a polyester resin sheet, it is set at a glass transition point (Tg) to (Tg + 45) ° C. If the temperature of the sheet is higher than (Tg + 45) ° C, the orientation crystallization does not sufficiently occur, and a whitening phenomenon due to thermal crystallization may occur in the subsequent heat setting step. If it is low, not only a high molding force is required, but also the molding itself becomes difficult, and the resin may be in an overstretched state at the time of molding and cause a whitening phenomenon.
- the temperature of the pre-clamp mold is preferably equal to or lower than the softening point or the melting point of the sheet resin, and may be cooled if necessary. By cooling the pre-clamp mold, it is possible to suppress deformation of the container caused by thermal deformation of the sheet when the sheet is solidified after the release step.
- the temperature of the pre-clamp mold is, for example, when the sheet is obtained as being substantially amorphous or low-crystalline, such as polyester resin, the pre-clamp mold is cooled below the glass transition temperature of the resin. Is preferred. On the other hand, when the sheet is substantially crystallized as in the case of polypropylene, the pre-clamp mold is preferably cooled to a temperature lower than the softening point of the resin.
- the gripping surface of the pre-clamp may be flat, or a rib-like shape such as a mountain-cut shape or an uneven shape may be provided.
- a rib-like shape such as a mountain-cut shape or an uneven shape.
- FIG. 3 is a side cross-sectional view showing a process (a pre-molding process) of extending a portion corresponding to a container mouth portion or a flange portion and drawing resin from an outer periphery of the mouth portion.
- the plug 11 pushes the seat 16 downward by a predetermined amount. As a result, a portion to be a flange portion (mouth portion) in a later step is stretched. Therefore, since the flange portion is oriented and crystallized, it is possible to prevent warpage after shaping.
- the resin is drawn into the area (molding area) inside the mouth or the flange from the outer periphery of the portion to be the mouth or the flange.
- the resin at the outer periphery of the container mouth or flange which has not been conventionally used for containers, can be effectively used, and the thickness of the bottom of the container can be increased.
- the temperature of the plug 11 is, for example, 70 ° C. to 110 ° C., preferably 80 ° C. to 100 ° C. in the case of a polyester resin sheet.
- the amount of the plug 11 to be pushed is appropriately determined in consideration of the shape (wall thickness, height, bottom area, etc.) of the container to be manufactured, the pre-clamped area, and the thickness of the resin sheet. adjust.
- the stretching may be insufficient, the improvement of the warpage of the flange portion may not be achieved, and the resin may be insufficiently drawn, so that the bottom of the manufactured container may not be thickened.
- the pre-forming amount is too large too much pull-in amount of the resin, full 1 after; entire container at a stretching process using lug, you to impart sufficient stretch, particularly for container bottom portion of the resin
- the molded container may not have sufficient oriented crystallization and may be whitened at the bottom.
- FIG. 4 is a side sectional view showing a step of clamping and forming the stretched portion of the thermoplastic resin sheet.
- the lower mold 12 rises, cooperating with the upper mold 13 to clamp the flange (mouth) with the gripping surfaces 12 2 and 13 2 respectively. Molding.
- the flange portion is flow-oriented.
- a lubricant such as vegetable oil such as silicone oil, palm oil, or glamor wax is applied to at least a portion corresponding to the flange portion of the thermoplastic resin sheet, the inner corner of the gripping surface 122 and the sheet are coated. Slip between the sides is improved, and damage to the outer surface of the side wall immediately below the flange is reduced.
- the clamped portion is crushed, and a portion of the resin is extruded from the crushed portion, so that the resin easily flows into and out of the flange portion, so that the flow orientation of the resin in the clamped flange portion is remarkable.
- the orientation crystallization is promoted, and the warpage of the flange portion is further improved.
- the temperature of the upper mold is, for example, in the case of a polyester resin sheet, preferably from room temperature to 150 ° C, particularly preferably from 50 ° C to 130 ° C.
- FIG. 5 is a side sectional view showing a stretching step for molding the container body.
- the plug 11 is inserted into the lower mold 1 2 until the stroke end.
- the sheet 16 is stretched and oriented and crystallized.
- FIG. 6 is a side sectional view showing a heat setting process.
- compressed air is supplied (compressed air) through the gas passage 111 of the plug 11 to bring the sheet 16 into contact with the inner surface of the lower mold 12.
- the lower mold 12 is heated, and heat is applied to the sheet to heat set.
- air may be taken in from the gas passages 12 1 of the lower mold 1 2. In this case, the sheet and the lower mold 1 2 are in close contact with each other, and heat setting can be performed effectively. It becomes.
- the temperature of the lower mold 12 during heat setting is preferably 120 ° C to 200 ° C (: particularly preferably 140 ° C to 180 ° C for a polyester resin sheet). is there.
- FIG. 7 is a side sectional view showing a cooling / shaping process.
- the compressed air supplied from the passage 11 of the plug 11 is stopped to cause the sheet to self-shrink.
- intake air through the gas passage 1 1 1 !? A vacuum is applied between the sheet and the plug, and the sheet is shaped into the shape of the outer surface of the plug 11.
- compressed air may be supplied from the gas passages 12 1 of the lower mold 12, whereby the close contact is improved and the formability is improved.
- the mold and the pre-clamp mold are opened, the plug 11 is raised, and the final molded body is taken out.
- FIG. 9 is a plan view of a forming apparatus when manufacturing a container having an opal cross-sectional shape
- FIG. 10 is a plan view of the forming apparatus when manufacturing a container having a square cross-sectional shape.
- the thickness distribution of the container is controlled by adjusting the shape of the pre-clamp area.
- the pre-clamp area is similar to the inner end of the flange of the cup-shaped container when the thickness and weight of the container are made uniform, as described above. It needs to be shaped.
- the inside of the flange of the cup-shaped container and the pre-clamp are used to draw a large amount of resin into the large-curvature portion where the thickness of the container tends to be thin.
- the thickness distribution can be controlled by increasing the distance from the rear.
- the distance between the straight part at the inner end of the flange of the cup-shaped container and the pre-clamp area should be as shown in Fig. 10.
- the thickness distribution can be controlled by making it larger.
- the distance between the inner end of the flange of the cup-shaped container and the pre-clamp area is larger on the long side than on the short side.
- the sheet exhibits mechanical anisotropy due to molecular orientation, etc., it is possible to control the thickness distribution by adjusting the pre-clamp area taking this into account.
- the container manufacturing method of the present invention includes a sheet made of a crystalline resin such as a polyolefin resin such as polyethylene, polypropylene, and polystyrene; a polyamide resin such as polyamide 6, polyamide 66, and polyamide 46; or polyethylene terephthalate.
- a crystalline resin such as a polyolefin resin such as polyethylene, polypropylene, and polystyrene
- a polyamide resin such as polyamide 6, polyamide 66, and polyamide 46
- polyethylene terephthalate polyethylene terephthalate.
- the present invention can be applied to both sheets made of amorphous resin such as (PET), polyester resin such as polybutylene terephthalate, polyacrylonitrile, polyarylate, and cyclic olefin copolymer.
- These sheets may be not only single-layer sheets but also sheets having a plurality of layers.
- polyester resin sheet having at least one polyester layer.
- the polyester used is a polyester derived from a carboxylic acid component mainly composed of an aromatic dicarboxylic acid and an alcohol component mainly composed of an aliphatic diol, preferably 50 mol% of the carboxylic acid component.
- the polyesters described above are composed of a terephthalic acid component, and 50 mol% or more of the alcohol component is composed of an ethylene glycol component.
- alcohol components other than ethylene glycol include 1,4-butanediol, propylene glycol, neopentyl glycol, 1,6-hexylene glycol, diethylene glycol, triethylene glycol, cyclohexane dimethanol, and bisphenol A
- alcohol components such as glycerol, trimethylolpropane, pentaerythritol, dipentaerythritol, and sorbitan.
- thermoplastic polyesters include, for example, polyethylene terephthalate, which is most preferred, and polyethylene / butylene terephthalate, polyethylene terephthalate Z 2,6-naphthalate, polyethylene terephthalate Z isophthalate, These and polybutylene terephthalate, polybutylene terephthalate / isophthalate, polyethylene 1,6-naphthalate, polybutylene terephthalate / adipate, polyethylene 1,2,6-naphthalate / isophthalate, polybutylene terephthalate / adipate Or a blend of two or more of these.
- the polyester may contain at least one modified resin component such as an ethylene-based polymer, a thermoplastic elastomer, a polyarylate, and a polyacrylonitrile.
- This modified resin component is generally used in an amount of 50 parts by weight or less, preferably 5 to 35 parts by weight, per 100 parts by weight of the polyester.
- thermoplastic resin sheet may have a gas barrier resin layer, a recycled polyester resin layer, an oxygen-absorbing resin layer, and the like as layers other than the polyester layer in order to impart various functions to the container to be manufactured.
- the other resin layer can be used as an inner layer or an outer layer in a two-layer configuration, or can be used as an intermediate layer in a three-layer configuration.
- the thickness of the thermoplastic resin sheet varies depending on the size of the container and the like, but it is preferably 0.5 to 5 mm, particularly 1 to 3 mm in terms of the strength and moldability of the container. Good.
- the container manufactured by the manufacturing method of the present invention has a thick bottom, and the container has good self-sustainability and self-standing stability. Also, since the area stretching ratio is moderate, transparency, impact resistance and heat resistance are excellent.
- Pre-clamp gripping surface inner diameter 94 mm
- Pre-clamp gripping surface cross section flat surface (width 1 mm)
- Plug insertion amount (pre-molding amount) in the first stretching 23 mm
- Shape of cup-shaped container manufactured Inside diameter of mouth (D) 6 7 mm,
- the cup was placed in an oven controlled at 100 ° C., and after the surface temperature of the lip reached 100 ° C., the cup was left for 10 seconds and removed from the oven.
- Example Example 2 Example 3
- Example 4 Example 5
- H / D Container height / mouth inner diameter 1. 6 1. 6 1. 6 1. 3 2. 1 1. Bottom wall thickness (mm) 0.28 0.28 0.28 0.28 0.23 0. Bottom area stretch ratio 4.3 3 4. 3 4 3 3 4 3 3 5 2 3 3. Evaluation Formability of the bottom Good Good Good Good Good Price
- a cup-shaped container was manufactured under the same conditions as in Example 1 except that the amount of plug inserted in the first stretching was set to 15 mm without performing pre-clamping. The same evaluation as in Example 1 was performed, and the results are shown in Table 1.
- the molding conditions were good except that a small scratch like an abrasion was found on the outer surface of the side wall immediately below the flange.
- the height of the plug is 90 mm
- the dimension of the lower mold is adjusted so that the clearance between the plug and each part is about l mm
- the H / D container height / inner diameter of the mouth
- the height of the plug is set to 14.5 mm, the dimension of the lower mold is adjusted so that the clearance with the plug is about 1 mm in each part, the HZD is set to 2.1, and the insertion amount of the plug in the first extension is set to 4
- a cup-shaped container was produced under the same conditions as in Example 1 except that the pre-clamp gripping surface inner diameter was 120 mm, and the pre-clamp gripping surface inner diameter was 120 mm. The same evaluation as in Example 1 was performed, and the results are shown in Table 1.
- a cup-shaped container was manufactured under the same conditions as in Example 1 except that the amount of plug inserted in the first stretching was 31 mm. The same evaluation as in Example 1 was performed, and the results are shown in Table 1. Under these molding conditions, a good cup-shaped container was obtained as in Example 1.
- Example 1 Same as Example 1 except that the plug insertion amount in the first stretching was set to 5.4 mm. Thus, a cup-shaped container was manufactured. The same evaluation as in Example 1 was performed, and the results are shown in Table 1.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60332742T DE60332742D1 (de) | 2002-07-19 | 2003-07-16 | Verfahren zur herstellung eines behälters aus thermoplastischem harz |
AT03765298T ATE468962T1 (de) | 2002-07-19 | 2003-07-16 | Verfahren zur herstellung eines behälters aus thermoplastischem harz |
EP03765298A EP1541318B1 (en) | 2002-07-19 | 2003-07-16 | Method of manufacturing thermoplastic resin container |
CN038171570A CN1668445B (zh) | 2002-07-19 | 2003-07-16 | 热塑性树脂容器的制造方法 |
KR1020057000213A KR100937695B1 (ko) | 2002-07-19 | 2003-07-16 | 열가소성 수지 용기의 제조방법 |
AU2003252511A AU2003252511A1 (en) | 2002-07-19 | 2003-07-16 | Method of manufacturing thermoplastic resin container |
US10/521,594 US7582249B2 (en) | 2002-07-19 | 2003-07-16 | Method of manufacturing thermoplastic resin container |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-211660 | 2002-07-19 | ||
JP2002211660A JP3870867B2 (ja) | 2002-07-19 | 2002-07-19 | 熱可塑性樹脂容器の製造方法 |
Publications (1)
Publication Number | Publication Date |
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WO2004009332A1 true WO2004009332A1 (ja) | 2004-01-29 |
Family
ID=30767780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2003/009005 WO2004009332A1 (ja) | 2002-07-19 | 2003-07-16 | 熱可塑性樹脂容器の製造方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7582249B2 (ja) |
EP (1) | EP1541318B1 (ja) |
JP (1) | JP3870867B2 (ja) |
KR (1) | KR100937695B1 (ja) |
CN (1) | CN1668445B (ja) |
AT (1) | ATE468962T1 (ja) |
AU (1) | AU2003252511A1 (ja) |
DE (1) | DE60332742D1 (ja) |
WO (1) | WO2004009332A1 (ja) |
Families Citing this family (14)
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JP4425536B2 (ja) * | 2001-10-30 | 2010-03-03 | 株式会社吉野工業所 | 容器とその熱成形装置および熱成形方法 |
JP4686132B2 (ja) * | 2004-03-18 | 2011-05-18 | 株式会社東芝 | 保護カバー付き光半導体装置の製造方法 |
DE102006020673A1 (de) * | 2006-05-04 | 2007-11-08 | Illig Maschinenbau Gmbh & Co. Kg | Verfahren zum Tiefziehen eines Behälters aus einer erwärmten thermoplastischen Kunststofffolie und Formwerkzeug zum Durchführen des Verfahrens |
US20090078669A1 (en) * | 2006-06-13 | 2009-03-26 | Toshiki Sakaguchi | Wide-Mouth Plastic Container and Method for Crystallization of Mouth Portion of Plastics Container |
JP2008284837A (ja) * | 2007-05-21 | 2008-11-27 | Yoshimura Kasei Kk | 樹脂容器の製造方法 |
US7985062B2 (en) * | 2007-07-09 | 2011-07-26 | Benjamin Chesney | Apparatus and process for two-sided thermoforming |
US8926310B2 (en) * | 2007-10-23 | 2015-01-06 | Jere F. Irwin | Cup thermoforming machine |
WO2011129709A2 (en) * | 2010-04-12 | 2011-10-20 | Tarvis Technology Limited | Cup, cup forming apparatus and related methods |
CN102069591A (zh) * | 2010-11-03 | 2011-05-25 | 林聪实 | 一种高脚杯成型工艺 |
CN104149324A (zh) * | 2014-07-24 | 2014-11-19 | 杨进 | 一种高分子薄膜热压成型装置及其工艺步骤 |
GB2552023B (en) * | 2016-07-08 | 2020-03-25 | Gr8 Eng Ltd | Container and manufacture thereof |
CN107139436B (zh) * | 2017-07-11 | 2023-03-21 | 马鞍山福亨汽车内饰有限公司 | 吸塑成型方法、吸塑成型机及其辅助装置 |
CN112959604B (zh) * | 2021-02-02 | 2022-09-30 | 西安双健包装有限公司 | 一种塑料杯成型机及其成型工艺 |
KR102300658B1 (ko) | 2021-04-19 | 2021-09-08 | 정명규 | 식용작물을 이용한 일회용 농작물 컵 제조용 사출 금형 |
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JPS4332236Y1 (ja) * | 1968-06-10 | 1968-12-27 | ||
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EP0344331A1 (en) * | 1987-12-15 | 1989-12-06 | Toyo Seikan Kaisha, Ltd. | Method of manufacturing deep-drawn plastic container |
JPH0414430A (ja) * | 1990-05-08 | 1992-01-20 | Kuwabara Yasunaga | 深絞りプラスチック容器の製造方法及び装置 |
JPH04301429A (ja) * | 1991-03-29 | 1992-10-26 | Toppan Printing Co Ltd | シートの成形方法およびシート成形容器の製造方法、これに使用するシート成形装置 |
JP2001139014A (ja) * | 1999-11-12 | 2001-05-22 | Kanegafuchi Chem Ind Co Ltd | ポリプロピレン系樹脂発泡成形容器 |
EP1213125A1 (en) * | 2000-03-10 | 2002-06-12 | Toyo Seikan Kaisya, Ltd. | Heat-resistant resin container and method of producing the same |
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FR2238669B1 (ja) | 1973-07-26 | 1978-10-27 | Cit Alcatel | |
US4239727A (en) * | 1978-09-15 | 1980-12-16 | Mobil Oil Corporation | Method and apparatus for thermoforming thermoplastic foam articles |
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US4563325A (en) * | 1983-05-20 | 1986-01-07 | Shell Oil Company | Forming plastic articles in solid state |
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GB8801599D0 (en) * | 1988-01-25 | 1988-02-24 | Du Pont Canada | Process for injection moulding of multi-layered articles |
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-
2002
- 2002-07-19 JP JP2002211660A patent/JP3870867B2/ja not_active Expired - Fee Related
-
2003
- 2003-07-16 AU AU2003252511A patent/AU2003252511A1/en not_active Abandoned
- 2003-07-16 WO PCT/JP2003/009005 patent/WO2004009332A1/ja active Application Filing
- 2003-07-16 EP EP03765298A patent/EP1541318B1/en not_active Expired - Lifetime
- 2003-07-16 CN CN038171570A patent/CN1668445B/zh not_active Expired - Fee Related
- 2003-07-16 AT AT03765298T patent/ATE468962T1/de not_active IP Right Cessation
- 2003-07-16 DE DE60332742T patent/DE60332742D1/de not_active Expired - Lifetime
- 2003-07-16 US US10/521,594 patent/US7582249B2/en not_active Expired - Fee Related
- 2003-07-16 KR KR1020057000213A patent/KR100937695B1/ko active IP Right Grant
Patent Citations (8)
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JPS4332236Y1 (ja) * | 1968-06-10 | 1968-12-27 | ||
JPS5071576U (ja) * | 1973-11-07 | 1975-06-24 | ||
JPS5923536B2 (ja) * | 1978-11-28 | 1984-06-02 | 住友ベークライト株式会社 | プラスチック容器の製造方法及び製造装置 |
EP0344331A1 (en) * | 1987-12-15 | 1989-12-06 | Toyo Seikan Kaisha, Ltd. | Method of manufacturing deep-drawn plastic container |
JPH0414430A (ja) * | 1990-05-08 | 1992-01-20 | Kuwabara Yasunaga | 深絞りプラスチック容器の製造方法及び装置 |
JPH04301429A (ja) * | 1991-03-29 | 1992-10-26 | Toppan Printing Co Ltd | シートの成形方法およびシート成形容器の製造方法、これに使用するシート成形装置 |
JP2001139014A (ja) * | 1999-11-12 | 2001-05-22 | Kanegafuchi Chem Ind Co Ltd | ポリプロピレン系樹脂発泡成形容器 |
EP1213125A1 (en) * | 2000-03-10 | 2002-06-12 | Toyo Seikan Kaisya, Ltd. | Heat-resistant resin container and method of producing the same |
Also Published As
Publication number | Publication date |
---|---|
EP1541318B1 (en) | 2010-05-26 |
ATE468962T1 (de) | 2010-06-15 |
EP1541318A1 (en) | 2005-06-15 |
KR100937695B1 (ko) | 2010-01-20 |
JP3870867B2 (ja) | 2007-01-24 |
EP1541318A4 (en) | 2006-12-27 |
KR20050021439A (ko) | 2005-03-07 |
CN1668445A (zh) | 2005-09-14 |
CN1668445B (zh) | 2010-11-10 |
US7582249B2 (en) | 2009-09-01 |
US20060151924A1 (en) | 2006-07-13 |
JP2004050641A (ja) | 2004-02-19 |
DE60332742D1 (de) | 2010-07-08 |
AU2003252511A1 (en) | 2004-02-09 |
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