CA1289898C - Biaxial-orientation blow-molded bottle-shaped container - Google Patents
Biaxial-orientation blow-molded bottle-shaped containerInfo
- Publication number
- CA1289898C CA1289898C CA000506845A CA506845A CA1289898C CA 1289898 C CA1289898 C CA 1289898C CA 000506845 A CA000506845 A CA 000506845A CA 506845 A CA506845 A CA 506845A CA 1289898 C CA1289898 C CA 1289898C
- Authority
- CA
- Canada
- Prior art keywords
- recesses
- grip
- container body
- shaped
- container
- 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 - Fee Related
Links
Landscapes
- Containers Having Bodies Formed In One Piece (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A blow-molded bottle-shaped container of biaxially oriented thermoplastic synthetic resin which comprises a pair of recesses depressed inwardly on the right and left side parts of a rear half portion substantially at the central height position of a cylindrical container body to form a grip in width to be grasped by one hand.
Thus, the bottle-shaped container can enhance the buckling strength of a grip integrally molded by providing reinforcing ribs at the grip by molding a pair of recesses at the rear halves of the body thereof for the grip having a width capable of grasping with one hand.
A blow-molded bottle-shaped container of biaxially oriented thermoplastic synthetic resin which comprises a pair of recesses depressed inwardly on the right and left side parts of a rear half portion substantially at the central height position of a cylindrical container body to form a grip in width to be grasped by one hand.
Thus, the bottle-shaped container can enhance the buckling strength of a grip integrally molded by providing reinforcing ribs at the grip by molding a pair of recesses at the rear halves of the body thereof for the grip having a width capable of grasping with one hand.
Description
2 BOTTL~-SHAPED CONTAINER
4 This invention relates to a blow-molded bottle-shaped container of biaxially oriented synthetic resin 6 such as polyethylene terephthalate resin.
7 Blow-molded bottle-shaped container of biaxially 8 oriented thermoplastic synthetic resin such as 9 polyethylene terephthalate resin have bben widely used.
Since the bottle-shaped containers are blow-molded from 11 biaxial-orientation synthetic resin, it is considerably 12 difficult to integrally form a ring-shaped grip, and 13 must be associated as a grip with other member made o~
14 a cardboard or synthetic resin at a rectilinear cylindrical body.
16 ~oweverJ the bottle-shaped containers of this 17 type have such disadvantages that complicates steps 18 are required in molding, costs increased and insufficient 19 strength is incorporated.
In order to obviate the difficulty of holding the 21 bottle-shaped container of this type, a bot~le-shpaed 22 container in which a pair of recesses are formed at 23 parts of the body of the container to construct a grip 24 by the both recesses has been developed. Since the grip is molded together with the body at biaxial-orientation 26 blow molding time, the bottle-shaped container of this 27 type can be readily molded to provide excellent holding 28 effect, but the grip portion communicates with the body ~9 in a hollow state and the bottle-shaped container is blow-molded in a considerably thin wall body.
1 Thus, the grip is feasibly deformed when the body is 2 grasped by inserting ~ingers into both the recesses 3 of the container body to be anxious to hold the container 4 body.
SUMMARY VF THE INVENTION
6 Accordingly, it is an object of this invention to 7 provide a blow-molded bottle-shape~ container of 8 biaxially oriented synthetic resin which can eliminate 9 the drawbacks and disadvantages of the conventional bottle-shaped container with both recesses for a grip 11 described above and can enhance the buckling strength of 12 a grip integrally molde~ by providing reinforcing ribs 13 at the grip by molding a pair of recesses at the rear 14 halves of the body thereof for the grip having a width capable of grasping with one hand.
16 The foregoing object and other objects as well as 17 the ~haracteristic features of the invention will become 18 more fully apparent and more readily understandable by 19 the following description and the appended claims when read in conjunction with the accompanying drawings.
21 BRIEF DESCRIPTION OF 1'HE DR~WINGS
22 Fig. l is a side view of a bottle-shaped container 23 showing first embodiment of a blow-molded bottle-shaped 24 container of biaxially oriented synthetic resin according to this invention;
26 Fig, 2 is a sectional view taken along the line 27 II-II of Fig. l;
28 Fig, 3 is abottom view of Fig. l;
29 Fig. 4 is a side view of second embodiment of this invention;
1 Fig. 5 is a bac~ view of the bottle-shaped 2 container of Fig. 4;
3 Fig, 6 is a sectional view taken along the line 4 VI-VI of Fig. 4;
Fig 7 is a side view of a third embodiment of 6 this invention; and 7 Fig 8 is a sectional view taken along the line 8 VIII-VIII of Fig. 7.
9 DESCRIPTION_OF THE PREFE~RED EMBODIMENTS
As shown in Fig. 1, a blow-molded bottle-shaped 11 container l o~ biaxially oriented polyethylene 12 terephthalate resin is molded with a cylindricai 13 container body 4 integrally through a shoulder 3 with 14 a short cylindrical neck 2, and with a bottom 5 formed at the lower end of the container body 4 together with a 16 pair of recesses 6 depressed inwardly oppositely at both 17 the right and left sides of a rear half portion 18 substantially in the central height position.
19 A grip 7 remains to be molded at the rear half portion of the container body 4 by forming the pair of 21 recesses 6 as described above, and the bottle-shaped 22 container l can be held by grasping the grip 7 by 23 disposing fingers in both the recesses 6 thus depressed 24 inwardly at both the right and left sides o~ the rear half portion 26 Therefore, the pair of recesses 6 for forming the 2? grip 7 must be disposed at the position in shape for 28 effectively and conveniently grasping the grip 7 by the 29 fingers inserted into the recesses 6.
More particularly, the recesses 6 must have axially 1 longitudinal length of the degree capable oY disposing 2 at least four fingers except a first finger and the 3 shape readily applying a force when grasping the grip 7 4 by inserting the first finger into one recess 6 and the other four fingers into the other recess 6.
6 As described above, as shown in Fig. 2, the tapered 7 parts 8 of the recesses 6 are disposed oppositely with 8 respect to the center line passing in the longitudinal 9 direction at the container body 4 as a center in the lateral cross-sectional shape of the container body 4 in 11 such a rnanner that the tapered parts 8 are inclined 12 slightly inwardly from the rear end of the container 13 body toward the center so that the interval between the 14 both tapered parts 8 is set to a predetermined numerical value for readily grasping the grip 7.
16 For exarmple, assume that the numerical value of the 17 interval between the both tapered parts 8 at the rear 18 end of the container body 4 is represented by d and the 19 numerical value of the interval at the center of the container body 4 is represented by d1, the both values 21 always have a relationship of d> d1 since the tapered 22 parts 8 are inclined.
23 The concrete nurnerical values d and d1 are 24 determined depending upon the shape of the bottle-shaped container 1 such as a circular-sectional cylindrical 26 shape or a square- or polygonal-sectional cylindrical 27 shape, or the capacity of the container body. For example, 28 in case of d=83 cm, d1-77 cm, in case of d=83 cm, d1=84 cm, 29 in case of d=77 cm, d1= 71 cm are experimentally obtained as desired intervals.
1 A plurality of longitudinal anti-slip strips 9 2 are formed on the tapered parts 8 so that the faces of 3 the fingers may be readily engaged in case of grasping 4 the grip 7.
Further, a crescent-shaped notch lO is formed at 6 the rear end of ~he lower end of the bottom 5 of the 7 container body 4 perpendicularly to the radial center 8 line so as to always direct the grip 7 formed at the 9 rear end in a predetermined direction in case of conveying the bot~le-shaped container 1 via a conveyor.
Il Fig. 4 to 6 show a second embodiment of this 12 invention. In the second embodiment, the bottle-shaped ~ -13 container 1 is molded in the same manner as the first 14 embodiment, but a pair of relatively wide recesses 19 are formed from the slightly rear portions frem the 16 center of both sides of the container body 4 over the 17 rear end.
18 The tapered parts 15 of the recesses 19 are opposed 19 to each other to form a grip 16 at the rear o~ the container body 4 by the both recesses 19.
21 Further, upper and lower rib grooves 17 are formed 22 circumferentially at the rear end of the grip 16, i.e., 23 on the peripheral surface of the container body 4 for 24 forming the grip 16. The tapered parts 15 of the recesses 19 are opposed substantially in parallel in 26 such a manner that the interval at the center is 27 ' siightly smaller than the interval at the rear and a 28 plurality of longitudinal anti-slip strips 18 are formed 29 on the tapered parts 15.
Thus, since the rib grooves 17 are formed on the R9~
1 rear end o~ the grip 16 ~ormed by oppositely forming a 2 pair oi recesses 19 on parts oX the container body 4, 3 the tapered parts lS are not inwardly deformed even if 4 the grip 16 is grasped by the fingers to eliminate the S external swelling deformation of the rear end of the 6 container body but can be remarkably readily grasped by 7 the fingers.
8 Further, since the tapered parts 15 are narrowed 9 at the interval at the center as compared with the interval at the rear end, the tapered parts 15 are l1 inclined from the rear end toward the center. Thus, the 12 grip 16 may be feasibly grasped by the fingers.
13 As described above, since the rear end of the grip 16 l4 is formed in the state hardly deformed even if pressures are applied from both sides, the i~ter~al between the 16 rear ends of the tapered parts 15 is not narrowed, but 17 the inclining shape of the tapered parts 15 may be 18 maiDtained.
19 ~igs. 7 and 8 show a third embodiment of the invention.
21 A bottle-shaped container 21 of this embodiment 22 is molded with recesses 24 formed at both sides of a 23 cylindrical container body 22 with tapered walls 26 24 inclined toward the less tapered walls of central portion of the container body 22 to form a grip 27 at 26 the rear of the container body 22.
27 , The less tapered walls 25 of the both recesses 24 28 are projected substantially in X shape over the entire 29 height and entire width of the less tapered walls 25 to form reinforcing ribs 29.
1 The ribs 29 are projected in X shape o~ capital 2 alphabet~c X to form more anti-slip strips so as to 3 resist against the pressure applied to the less tapered 4 walls 25 and further to ~orm rip strips 28 projected along the ribs 29 at the rear of the grip 27 to iurther 6 aid reinforcing of the less tapered wall 25 of the 7 recesses 24.
8 The rib strips 28 are not formed on the front of 9 the X-shpaed ribs 29 because thep part to be disposed with fingers is provided in case of grasping the grip 27 11 by the fingers so as to perform higher anti-slip effect 12 ~ by engaging the fingers with the ribs 29 to readily 13 grasp the grip 27 by the fingers.
14 According to the present invention as described above, the bottle-shaped container of this invention can 16 be much stably grasped by the fing~rs the.-reiDforcing 17 ribs resist the internal and external pressures acted on 18 the recesses if the bottle-shaped contained is dropped l9 in the state that the content li~uid is filled in the bottle-shaped container to cause impact internal 21 pressure to rise in the container to act strong internal 22 pressure to the recesses, or if the grip is grasped in 23 the heavy state that the content liquid is filled to act 24 strong external pressure to the recesses, the recesses are not bent nor projected to be drformed outward or 26 inward, ~hus~ the mechanical strength of the entire 27 bottle-shaped container can be remarkably increased.
28 Since the grip is molded integrally with the bottle-shaped 29 container, relatively large bottle-shaped container can be readiiy handled. Since the construction of the . .
; bottle-shaped container i9 simple as described above, 2 the molding of the container is not complicated but 3 can be per~ormed 61mply a6 the conventional method,
4 This invention relates to a blow-molded bottle-shaped container of biaxially oriented synthetic resin 6 such as polyethylene terephthalate resin.
7 Blow-molded bottle-shaped container of biaxially 8 oriented thermoplastic synthetic resin such as 9 polyethylene terephthalate resin have bben widely used.
Since the bottle-shaped containers are blow-molded from 11 biaxial-orientation synthetic resin, it is considerably 12 difficult to integrally form a ring-shaped grip, and 13 must be associated as a grip with other member made o~
14 a cardboard or synthetic resin at a rectilinear cylindrical body.
16 ~oweverJ the bottle-shaped containers of this 17 type have such disadvantages that complicates steps 18 are required in molding, costs increased and insufficient 19 strength is incorporated.
In order to obviate the difficulty of holding the 21 bottle-shaped container of this type, a bot~le-shpaed 22 container in which a pair of recesses are formed at 23 parts of the body of the container to construct a grip 24 by the both recesses has been developed. Since the grip is molded together with the body at biaxial-orientation 26 blow molding time, the bottle-shaped container of this 27 type can be readily molded to provide excellent holding 28 effect, but the grip portion communicates with the body ~9 in a hollow state and the bottle-shaped container is blow-molded in a considerably thin wall body.
1 Thus, the grip is feasibly deformed when the body is 2 grasped by inserting ~ingers into both the recesses 3 of the container body to be anxious to hold the container 4 body.
SUMMARY VF THE INVENTION
6 Accordingly, it is an object of this invention to 7 provide a blow-molded bottle-shape~ container of 8 biaxially oriented synthetic resin which can eliminate 9 the drawbacks and disadvantages of the conventional bottle-shaped container with both recesses for a grip 11 described above and can enhance the buckling strength of 12 a grip integrally molde~ by providing reinforcing ribs 13 at the grip by molding a pair of recesses at the rear 14 halves of the body thereof for the grip having a width capable of grasping with one hand.
16 The foregoing object and other objects as well as 17 the ~haracteristic features of the invention will become 18 more fully apparent and more readily understandable by 19 the following description and the appended claims when read in conjunction with the accompanying drawings.
21 BRIEF DESCRIPTION OF 1'HE DR~WINGS
22 Fig. l is a side view of a bottle-shaped container 23 showing first embodiment of a blow-molded bottle-shaped 24 container of biaxially oriented synthetic resin according to this invention;
26 Fig, 2 is a sectional view taken along the line 27 II-II of Fig. l;
28 Fig, 3 is abottom view of Fig. l;
29 Fig. 4 is a side view of second embodiment of this invention;
1 Fig. 5 is a bac~ view of the bottle-shaped 2 container of Fig. 4;
3 Fig, 6 is a sectional view taken along the line 4 VI-VI of Fig. 4;
Fig 7 is a side view of a third embodiment of 6 this invention; and 7 Fig 8 is a sectional view taken along the line 8 VIII-VIII of Fig. 7.
9 DESCRIPTION_OF THE PREFE~RED EMBODIMENTS
As shown in Fig. 1, a blow-molded bottle-shaped 11 container l o~ biaxially oriented polyethylene 12 terephthalate resin is molded with a cylindricai 13 container body 4 integrally through a shoulder 3 with 14 a short cylindrical neck 2, and with a bottom 5 formed at the lower end of the container body 4 together with a 16 pair of recesses 6 depressed inwardly oppositely at both 17 the right and left sides of a rear half portion 18 substantially in the central height position.
19 A grip 7 remains to be molded at the rear half portion of the container body 4 by forming the pair of 21 recesses 6 as described above, and the bottle-shaped 22 container l can be held by grasping the grip 7 by 23 disposing fingers in both the recesses 6 thus depressed 24 inwardly at both the right and left sides o~ the rear half portion 26 Therefore, the pair of recesses 6 for forming the 2? grip 7 must be disposed at the position in shape for 28 effectively and conveniently grasping the grip 7 by the 29 fingers inserted into the recesses 6.
More particularly, the recesses 6 must have axially 1 longitudinal length of the degree capable oY disposing 2 at least four fingers except a first finger and the 3 shape readily applying a force when grasping the grip 7 4 by inserting the first finger into one recess 6 and the other four fingers into the other recess 6.
6 As described above, as shown in Fig. 2, the tapered 7 parts 8 of the recesses 6 are disposed oppositely with 8 respect to the center line passing in the longitudinal 9 direction at the container body 4 as a center in the lateral cross-sectional shape of the container body 4 in 11 such a rnanner that the tapered parts 8 are inclined 12 slightly inwardly from the rear end of the container 13 body toward the center so that the interval between the 14 both tapered parts 8 is set to a predetermined numerical value for readily grasping the grip 7.
16 For exarmple, assume that the numerical value of the 17 interval between the both tapered parts 8 at the rear 18 end of the container body 4 is represented by d and the 19 numerical value of the interval at the center of the container body 4 is represented by d1, the both values 21 always have a relationship of d> d1 since the tapered 22 parts 8 are inclined.
23 The concrete nurnerical values d and d1 are 24 determined depending upon the shape of the bottle-shaped container 1 such as a circular-sectional cylindrical 26 shape or a square- or polygonal-sectional cylindrical 27 shape, or the capacity of the container body. For example, 28 in case of d=83 cm, d1-77 cm, in case of d=83 cm, d1=84 cm, 29 in case of d=77 cm, d1= 71 cm are experimentally obtained as desired intervals.
1 A plurality of longitudinal anti-slip strips 9 2 are formed on the tapered parts 8 so that the faces of 3 the fingers may be readily engaged in case of grasping 4 the grip 7.
Further, a crescent-shaped notch lO is formed at 6 the rear end of ~he lower end of the bottom 5 of the 7 container body 4 perpendicularly to the radial center 8 line so as to always direct the grip 7 formed at the 9 rear end in a predetermined direction in case of conveying the bot~le-shaped container 1 via a conveyor.
Il Fig. 4 to 6 show a second embodiment of this 12 invention. In the second embodiment, the bottle-shaped ~ -13 container 1 is molded in the same manner as the first 14 embodiment, but a pair of relatively wide recesses 19 are formed from the slightly rear portions frem the 16 center of both sides of the container body 4 over the 17 rear end.
18 The tapered parts 15 of the recesses 19 are opposed 19 to each other to form a grip 16 at the rear o~ the container body 4 by the both recesses 19.
21 Further, upper and lower rib grooves 17 are formed 22 circumferentially at the rear end of the grip 16, i.e., 23 on the peripheral surface of the container body 4 for 24 forming the grip 16. The tapered parts 15 of the recesses 19 are opposed substantially in parallel in 26 such a manner that the interval at the center is 27 ' siightly smaller than the interval at the rear and a 28 plurality of longitudinal anti-slip strips 18 are formed 29 on the tapered parts 15.
Thus, since the rib grooves 17 are formed on the R9~
1 rear end o~ the grip 16 ~ormed by oppositely forming a 2 pair oi recesses 19 on parts oX the container body 4, 3 the tapered parts lS are not inwardly deformed even if 4 the grip 16 is grasped by the fingers to eliminate the S external swelling deformation of the rear end of the 6 container body but can be remarkably readily grasped by 7 the fingers.
8 Further, since the tapered parts 15 are narrowed 9 at the interval at the center as compared with the interval at the rear end, the tapered parts 15 are l1 inclined from the rear end toward the center. Thus, the 12 grip 16 may be feasibly grasped by the fingers.
13 As described above, since the rear end of the grip 16 l4 is formed in the state hardly deformed even if pressures are applied from both sides, the i~ter~al between the 16 rear ends of the tapered parts 15 is not narrowed, but 17 the inclining shape of the tapered parts 15 may be 18 maiDtained.
19 ~igs. 7 and 8 show a third embodiment of the invention.
21 A bottle-shaped container 21 of this embodiment 22 is molded with recesses 24 formed at both sides of a 23 cylindrical container body 22 with tapered walls 26 24 inclined toward the less tapered walls of central portion of the container body 22 to form a grip 27 at 26 the rear of the container body 22.
27 , The less tapered walls 25 of the both recesses 24 28 are projected substantially in X shape over the entire 29 height and entire width of the less tapered walls 25 to form reinforcing ribs 29.
1 The ribs 29 are projected in X shape o~ capital 2 alphabet~c X to form more anti-slip strips so as to 3 resist against the pressure applied to the less tapered 4 walls 25 and further to ~orm rip strips 28 projected along the ribs 29 at the rear of the grip 27 to iurther 6 aid reinforcing of the less tapered wall 25 of the 7 recesses 24.
8 The rib strips 28 are not formed on the front of 9 the X-shpaed ribs 29 because thep part to be disposed with fingers is provided in case of grasping the grip 27 11 by the fingers so as to perform higher anti-slip effect 12 ~ by engaging the fingers with the ribs 29 to readily 13 grasp the grip 27 by the fingers.
14 According to the present invention as described above, the bottle-shaped container of this invention can 16 be much stably grasped by the fing~rs the.-reiDforcing 17 ribs resist the internal and external pressures acted on 18 the recesses if the bottle-shaped contained is dropped l9 in the state that the content li~uid is filled in the bottle-shaped container to cause impact internal 21 pressure to rise in the container to act strong internal 22 pressure to the recesses, or if the grip is grasped in 23 the heavy state that the content liquid is filled to act 24 strong external pressure to the recesses, the recesses are not bent nor projected to be drformed outward or 26 inward, ~hus~ the mechanical strength of the entire 27 bottle-shaped container can be remarkably increased.
28 Since the grip is molded integrally with the bottle-shaped 29 container, relatively large bottle-shaped container can be readiiy handled. Since the construction of the . .
; bottle-shaped container i9 simple as described above, 2 the molding of the container is not complicated but 3 can be per~ormed 61mply a6 the conventional method,
Claims (5)
1. A blow-molded bottle-shaped container of biaxially oriented thermoplastic synthetic resin comprising:
a cylindrical container body defining a longitudinal center line and having a shoulder and neck portion at an upper end thereof and a bottom portion at a lower end thereof;
a pair of recesses depressed inwardly on opposite sides of a rear half portion of the cylindrical container body substantially at a central height position of the cylindrical container body to form a grip to be grasped by one hand, said recesses including tapered parts disposed oppositely with respect to said longitudinal center line and having inclined surfaces substantially inclined in a direction from the rear half portion of said container body toward a center thereof and a plurality of longitudinal strips formed on said recesses.
a cylindrical container body defining a longitudinal center line and having a shoulder and neck portion at an upper end thereof and a bottom portion at a lower end thereof;
a pair of recesses depressed inwardly on opposite sides of a rear half portion of the cylindrical container body substantially at a central height position of the cylindrical container body to form a grip to be grasped by one hand, said recesses including tapered parts disposed oppositely with respect to said longitudinal center line and having inclined surfaces substantially inclined in a direction from the rear half portion of said container body toward a center thereof and a plurality of longitudinal strips formed on said recesses.
2. The container according to claim 1, wherein a notch is formed in the bottom portion at the rear half portion of the cylindrical container body and circumferentially extended between the recesses.
3. The container according to claim 1, wherein a plurality of parallel circumferential reinforcing rib grooves are formed in the grip between upper and lower limits of the recesses at a predetermined interval and extended between the tapered part of one recess and the tapered part of the opposite recess without extending into the recesses.
4. The container according to claim 1, wherein X-shaped reinforcing ribs are projected from the entire surface of the tapered parts of the recesses.
5. The container according to claim 5, wherein rib strips are projected along said X-shaped ribs at upper and lower parts of the X-shaped reinforcing ribs and at a rear part of the tapered parts of the recesses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000506845A CA1289898C (en) | 1986-04-16 | 1986-04-16 | Biaxial-orientation blow-molded bottle-shaped container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000506845A CA1289898C (en) | 1986-04-16 | 1986-04-16 | Biaxial-orientation blow-molded bottle-shaped container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1289898C true CA1289898C (en) | 1991-10-01 |
Family
ID=4132908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000506845A Expired - Fee Related CA1289898C (en) | 1986-04-16 | 1986-04-16 | Biaxial-orientation blow-molded bottle-shaped container |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1289898C (en) |
-
1986
- 1986-04-16 CA CA000506845A patent/CA1289898C/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |