CA2065342C - Cap structure with elastically turnover cover - Google Patents
Cap structure with elastically turnover coverInfo
- Publication number
- CA2065342C CA2065342C CA 2065342 CA2065342A CA2065342C CA 2065342 C CA2065342 C CA 2065342C CA 2065342 CA2065342 CA 2065342 CA 2065342 A CA2065342 A CA 2065342A CA 2065342 C CA2065342 C CA 2065342C
- Authority
- CA
- Canada
- Prior art keywords
- cover
- cap structure
- wall
- circumferential wall
- circumferential
- 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
- 230000007306 turnover Effects 0.000 title abstract description 5
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 7
- 239000000057 synthetic resin Substances 0.000 claims abstract description 7
- 239000004698 Polyethylene Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 230000000630 rising effect Effects 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
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
- B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
- B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
- B65D47/0809—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions
- B65D47/0814—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions by at least three hinge sections, at least one having a length different from the others
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
Herein disclosed is a cap structure having an elastically turnover cover. The body 1 of the cap structure is closed at the top of its first circum-ferential wall 2 with the cover 5 having a second cir-cumferential wall 7 depending from the outer circum-ference of the top wall 6 by placing the lower end of the second circumferential wall 7 on the upper end of the first circumferential wall 1. The first and sec-ond circumferential walls 2 and 7 have their individ-ual backs connected at their upper and lower ends by a hinge 10. The upper and lower portions of the backs of the first and second circumferential walls are so connected through the elastic band 12 that the cover 5 can be opened or closed on the hinge 10. The hinge 10 is integrally molded of a synthetic resin at the back of the elastic band. The main object is to eliminate the notches as the mold parting mark, which might otherwise be left in the cover when the cap structure of this kind is to be integrally molded of a synthetic resin in accordance with the prior art.
Description
~0 ~?
S P E C I F I C A T I O N
TITLE OF THE INVENTION
Cap Structure with Elastically Turnover Cover TECHNICAL FIELD
The present invention relates to a cap structure having an elastically turnover cover. The "cap struc-ture" used herein is meant to include a cap and a con-tainer with a cap.
BACKGROUND ART
As the cap having the elastically turnover cover, there is known a cap which is integrally molded o~ a synthetic resin and having its cap body and cover hinged at three points, as called so, as is used in the container of Japanese Utility Model Laid-Open No.
34049/1988, for example. This cap is formed by in-tegrally connecting a cap body and a cap opening cover into one piece by means of the three-point hinge.
This three-point hinge structure is composed o~: first two hinges for connecting the upper end of the rear portion of the circumferential wall of the cap body and the lower end of the rear portion of the circum-Z06~4~
ferential wall of the cover placed on the cap body;and second and third hinges for connecting L-shaped elastic plates between the first circumferential wall portion below those the first hinges and the front portion of the top wall of the cover at the upper end of the circumferential wall portion of the cover be-tween the two hinges.
In order that the three-point hinged cap may be integrally molded o~ a synthetic resin, both the cir-cumferential wall portion of the cover in front of the rising portions of the L-shaped elastic plates and the top wall portion of the cover below the horizontal portion are notched for parting the mold. Especially, the notched portions of the top wall of the cover de-teriorate the appearance of the cover. Still the worse, the notches makes it incomplete to shut off the mouth of the cap body with the cover.
In order to eliminate the defects of the afore-mentioned example of the prior art, in which the hor-izontal plates are attached to the elastic plates and are extended to the central portion of the top wall of the cover, the present invention contemplates to pro-vide a cap structure which can be formed of only the individual rear portions of the circumferential walls of the cap body and the cover without notching the -~ 2065342 clrcumferentlal wall and top wall of the cover, so that the cover may have lts appearance lmproved and may seal up the mouth of the cap body when ln the closlng operatlon.
In summary, accordlng to a flrst broad aspect, the present lnventlon provldes a snap-type cap structure made of synthetic resln comprlslng: a body havlng a flrst clrcumferentlal wall; a cover havlng a second clrcumferentlal wall whlch ls placed on the flrst clrcumferentlal wall, sald flrst and second clrcumferentlal walls belng connected by a pair of hlnges, and an elastlc band connectlng the body and the cover; characterlzed ln that sald flrst and second clrcumferentlal walls each havlng a vertlcal wall at one slde thereof, and a groove extendlng vertlcally at the wldthwlse center of the vertlcal wall, whereln sald vertlcal walls meet each other and are connected by the hlnges at both sldes of the grooves, and bottom walls of the grooves merge lnto sald elastlc band.
Accordlng to a second broad aspect, the present lnventlon provldes a snap-type cap structure made of synthetlc resln comprlslng a body havlng a flrst clrcumferentlal wall, a cover havlng a second clrcumferentlal wall placed on the flrst clrcumferentlal wall, a flrst hlnge for connectlng sald flrst and second clrcumferentlal walls, and a pair of elastlc bands whlch are provlded on both sldes of the flrst hlnge for connectlng sald flrst and second clrcumferentlal walls, characterlzed by a palr of recesses each belng formed by a lower recess portlon on the flrst clrcumferentlal wall and an upper recess portlon on the 2û5~3~2 second circumferential wall, which are provlded at positions corresponding to said elastlc bands, whereln ends of the elastlc bands are connected through second and thlrd hlnges to outer edges of the upper and lower ends of the recesses, and the elastlc bands have C-shaped longitudinal sections in a closed state and an open state in which the cover is turned over, while the elastic bands being fitted into the recesses in the closed state.
BRIEF DES~RIPTION OF THE DRAWINGS
Of Flgs. 1 to 5 showlng one embodlment of the cap structure of the present invention: Fig. 1 is a perspective view showing the open state; Fig. 2 is a perspective view showing the closed state from the back; Fig. 3 is a top plan vlew showing the same; Fig. 4 is an enlarged sectlon showlng an essential portion; and Fig. 5 is an enlarged section showing an essential portion in the open state. Of Flgs. 6 to 8 showing a second embodlment Flg. 6 ls a perspective vlew showlng the closed state from the back; Flg. 7 ls a perspectlve vlew showlng the open state; and Flg. 8 is an enlarged sectlon showlng an essentlal portlon. Of Flgs. 9 to 11 showlng a thlrd embodlment: Flg. 9 is a perspective view showing the open state; Flg. 10 is a perspective vlew showing the closed state from the back; and Fig. 11 is an enlarged side elevatlon showing an essential portion.
In case of an embodiment shown in Figs. 1 to 5, if a cover 5 is pushed up from the open state of Fig. 5, each of curved elastic bands 12 is to have its cover slde end 12b moved along an arc a, whlch has a radlus of a stralght ` 2~5~3~2 distance from the body side end 12a to the cover side end 12b of the elastic band 12. Since, however, the cover 5 ls turned on hlnges 10, lt ls allowed to move along an arc b whlch has a radlus of a stralght dlstance from the hlnges 10 to the cover slde end 12b. If the polnt of intersection between a stralght llne c contalnlng the body slde end 12a and the hinges 10 and the aforementloned arc b is designated at a dead center A, the elastic band 12 is extended tlll the dead center A agalnst lts elastlclty and is shrunken after the dead center A by its elastic controlllng force so that the cover ls elastlcally turned over to establlsh the closed state. The cover openlng operatlon could be llkewlse understood.
Incldentally, the elastic band 12 may have its lntermedlate portlon curved to the front ln the closed state of Flg. 4.
Another embodlment shown ln Flgs. 6 to 8 mlght be thought llke the case of the foregolng flrst embodlment.
A slmllar dlscussion applles to the case of a thlrd embodlment shown ln Flgs. g to 11. In thls embodlment, each of the elastlc bands 12 ls curved ln a letter "C" not only ln the open state but also ln the closed state, ln whlch lt ls recelved ln a recess 13. Accordlng to thls embodlment, the elastlc bands can be prevented from belng forclbly extended more than thelr llmlts even when they pass through the dead center A at whlch they are extended to thelr maxlmum strokes.
Flrst of all, the flrst embodlment wlll be descrlbed wlth reference to Flgs. 1 to 5.
- ~653~
Reference numeral 1 designates the body of a cap structure havlng a first clrcumferential wall 2. Thls flrst clrcumferentlal wall 2 ls formed lnto a clrcumferentlal wall to be fltted on the outer clrcumference of the neck of a container, ln case the body 1 is a cap, and has lts lower end shut out with a bottom wall in case the cap structure ls a contalner body. In the shown embodlment, the flrst clrcumferentlal wall has lts top covered wlth a top plate 4 havlng a pourlng port 3, but thls top plate 4 can be elimlnated.
Indlcated at reference numeral 5 ls a cover whlch ls molded of polyethylene or the llke lntegrally wlth the aforementloned body 1. Thls cover 5 can be turned - 5a -X06~;34~
on later-descrlbed hlnges to open or elose the top o~
the first elreumferenee. In the cover 5, a seeond eireumferentlal wall 7 depends from the outer elreum-ferenee of a top wall 6 and ean have its lower end plaeed on the upper end o~ the flrst elreumferentlal wall 2. The flrst circum-~erentlal wall 2 and the seeond elrcumferentlal wall 7 are shaped lnto a true clrele, as seen ln a top plan view, and have thelr baeks formed lnto a vertlcal wall 8 whlch ln turn ls ~ormed wlth a groove 9 at lts wldthwlse eenter.
The vertieal walls of the flrst and seeond elr-eumferentlal walls 2 and 7, whlch are divided by the groove, have tllelr respectlve upper and lower ends conneeted by eurved hlnges 10 and 10, as better seen from Fig. 4. Moreover, the upper end o~ the groove bottom of the flrst elrcumferentlal wall and the lower end of the groove bottom of the second clrcumferentlal wall are formed to merge lnto each other, and the ~lrst and second clrcum~erentlal wall portlons are formed in front of thelr merging portions wlth holes 11 and 11, whlch are extended downward and upward from the upper and lower ends o~ ~he lndlvldual circum-ferential walls to leave an elastlc band 12 at the bottom of the groove 9 at tlle back Or the holes 11 and 11. This elastie band 12 is prellminarily eurved sueh 2~6~i3~
that the body 1 and the cover 5 are integrally molded o~ a synthetic resin such as polyethylene, as shown in Fig. 5, with the cover 5 being opened with respect to the body 1 and with the elastic band 12 being curved upward. The connecting portions between the upper and lower ends of the elastic band and the second and ~irst circum~erentlal walls are so ~ormed that they cannot be bent angularly.
The second embodiment, as shown in Figs. 6 to 8, is not ~ormed with the a~orementioned vertical wall 8 and groove 9 of the ~oregoing ~irst embodiment. In this second embodiment, the righthand and le~thand portions o~ the back o~ the ~irst and second circum-ferential walls 2 and 7, which are shaped into a true circle in a top plan view, are pro~ected backward ~rom their upper end lower end portions to ~orm triangular pro~ections 13 and 13. These pro~ections 13 and 13 are connected at their rear ends by the hinges 10 and 10 to connect the upper and lower ends o~ the first and second circum~erential walls. Moreover, the elas-tic band 12 is extended between the hinges 10 and 10 and so tensed between the lower ~irst circum~erential portion and the upper second circumferential portion that its upper and lower ends merge into the two cir-cum~erential walls in an unbendable manner. Like the 2Q~
case of the first embodiment, the second embodiment has its cap structure molded of the body and the cover in the closed state.
Figs. 9 to 11 show the third embodiment. In this embodiment, the first and second circumferential walls 2 and 7 having a top plan view of a true circle are connected at their rear upper and lower ends by the hinge 10 and at the righthand and lefthand sides of the hinge 10 by a pair of C-shaped elastic bands 12 and 12. These elastic bands are fitted in the re-cesses 13, which are formed to extend between the up-per and lower portions of the individual backs of the first and second circumferential walls 2 and 7, The recesses 13 have their lower end rear edges and upper end rear edges connected to the lower and upper ends of the elastic bands 12 through second and third hin-ges 14 and 15.
Like the foregoing other embodiments, the third embodiment is also formed in the open state, as shown in Fig. 9.
INDUSTRIAL APPLICABILITY
According to the construction thus far described, the cap structure of the present invention can be pre-vented from having its appearance deteriorated because of no notch and can have lts body top sealed up by the cover.
Unllke the three-polnt hlnged cap of the prlor art, the elastlc plates need not be mounted by notchlng the back of the clrcumferentlal wall of the cover and the top wall of the cover partlally. Moreover, ln one embodlment the elastlc bands are glven the C-shaped longltudlnal sectlons so that they can have thelr cover slde ends passlng over the dead centers whlle leavlng a margln of further elastlc deformatlons. Slnce, moveover, the C-shaped elastlc bands are fltted ln the recesses 13 formed ln the backs of the flrst and second clrcumferentlal walls of the body and the cover when ln the closed state, the elastic bands wlll not deterlorate the appearance of the cap structure.
S P E C I F I C A T I O N
TITLE OF THE INVENTION
Cap Structure with Elastically Turnover Cover TECHNICAL FIELD
The present invention relates to a cap structure having an elastically turnover cover. The "cap struc-ture" used herein is meant to include a cap and a con-tainer with a cap.
BACKGROUND ART
As the cap having the elastically turnover cover, there is known a cap which is integrally molded o~ a synthetic resin and having its cap body and cover hinged at three points, as called so, as is used in the container of Japanese Utility Model Laid-Open No.
34049/1988, for example. This cap is formed by in-tegrally connecting a cap body and a cap opening cover into one piece by means of the three-point hinge.
This three-point hinge structure is composed o~: first two hinges for connecting the upper end of the rear portion of the circumferential wall of the cap body and the lower end of the rear portion of the circum-Z06~4~
ferential wall of the cover placed on the cap body;and second and third hinges for connecting L-shaped elastic plates between the first circumferential wall portion below those the first hinges and the front portion of the top wall of the cover at the upper end of the circumferential wall portion of the cover be-tween the two hinges.
In order that the three-point hinged cap may be integrally molded o~ a synthetic resin, both the cir-cumferential wall portion of the cover in front of the rising portions of the L-shaped elastic plates and the top wall portion of the cover below the horizontal portion are notched for parting the mold. Especially, the notched portions of the top wall of the cover de-teriorate the appearance of the cover. Still the worse, the notches makes it incomplete to shut off the mouth of the cap body with the cover.
In order to eliminate the defects of the afore-mentioned example of the prior art, in which the hor-izontal plates are attached to the elastic plates and are extended to the central portion of the top wall of the cover, the present invention contemplates to pro-vide a cap structure which can be formed of only the individual rear portions of the circumferential walls of the cap body and the cover without notching the -~ 2065342 clrcumferentlal wall and top wall of the cover, so that the cover may have lts appearance lmproved and may seal up the mouth of the cap body when ln the closlng operatlon.
In summary, accordlng to a flrst broad aspect, the present lnventlon provldes a snap-type cap structure made of synthetic resln comprlslng: a body havlng a flrst clrcumferentlal wall; a cover havlng a second clrcumferentlal wall whlch ls placed on the flrst clrcumferentlal wall, sald flrst and second clrcumferentlal walls belng connected by a pair of hlnges, and an elastlc band connectlng the body and the cover; characterlzed ln that sald flrst and second clrcumferentlal walls each havlng a vertlcal wall at one slde thereof, and a groove extendlng vertlcally at the wldthwlse center of the vertlcal wall, whereln sald vertlcal walls meet each other and are connected by the hlnges at both sldes of the grooves, and bottom walls of the grooves merge lnto sald elastlc band.
Accordlng to a second broad aspect, the present lnventlon provldes a snap-type cap structure made of synthetlc resln comprlslng a body havlng a flrst clrcumferentlal wall, a cover havlng a second clrcumferentlal wall placed on the flrst clrcumferentlal wall, a flrst hlnge for connectlng sald flrst and second clrcumferentlal walls, and a pair of elastlc bands whlch are provlded on both sldes of the flrst hlnge for connectlng sald flrst and second clrcumferentlal walls, characterlzed by a palr of recesses each belng formed by a lower recess portlon on the flrst clrcumferentlal wall and an upper recess portlon on the 2û5~3~2 second circumferential wall, which are provlded at positions corresponding to said elastlc bands, whereln ends of the elastlc bands are connected through second and thlrd hlnges to outer edges of the upper and lower ends of the recesses, and the elastlc bands have C-shaped longitudinal sections in a closed state and an open state in which the cover is turned over, while the elastic bands being fitted into the recesses in the closed state.
BRIEF DES~RIPTION OF THE DRAWINGS
Of Flgs. 1 to 5 showlng one embodlment of the cap structure of the present invention: Fig. 1 is a perspective view showing the open state; Fig. 2 is a perspective view showing the closed state from the back; Fig. 3 is a top plan vlew showing the same; Fig. 4 is an enlarged sectlon showlng an essential portion; and Fig. 5 is an enlarged section showing an essential portion in the open state. Of Flgs. 6 to 8 showing a second embodlment Flg. 6 ls a perspective vlew showlng the closed state from the back; Flg. 7 ls a perspectlve vlew showlng the open state; and Flg. 8 is an enlarged sectlon showlng an essentlal portlon. Of Flgs. 9 to 11 showlng a thlrd embodlment: Flg. 9 is a perspective view showing the open state; Flg. 10 is a perspective vlew showing the closed state from the back; and Fig. 11 is an enlarged side elevatlon showing an essential portion.
In case of an embodiment shown in Figs. 1 to 5, if a cover 5 is pushed up from the open state of Fig. 5, each of curved elastic bands 12 is to have its cover slde end 12b moved along an arc a, whlch has a radlus of a stralght ` 2~5~3~2 distance from the body side end 12a to the cover side end 12b of the elastic band 12. Since, however, the cover 5 ls turned on hlnges 10, lt ls allowed to move along an arc b whlch has a radlus of a stralght dlstance from the hlnges 10 to the cover slde end 12b. If the polnt of intersection between a stralght llne c contalnlng the body slde end 12a and the hinges 10 and the aforementloned arc b is designated at a dead center A, the elastic band 12 is extended tlll the dead center A agalnst lts elastlclty and is shrunken after the dead center A by its elastic controlllng force so that the cover ls elastlcally turned over to establlsh the closed state. The cover openlng operatlon could be llkewlse understood.
Incldentally, the elastic band 12 may have its lntermedlate portlon curved to the front ln the closed state of Flg. 4.
Another embodlment shown ln Flgs. 6 to 8 mlght be thought llke the case of the foregolng flrst embodlment.
A slmllar dlscussion applles to the case of a thlrd embodlment shown ln Flgs. g to 11. In thls embodlment, each of the elastlc bands 12 ls curved ln a letter "C" not only ln the open state but also ln the closed state, ln whlch lt ls recelved ln a recess 13. Accordlng to thls embodlment, the elastlc bands can be prevented from belng forclbly extended more than thelr llmlts even when they pass through the dead center A at whlch they are extended to thelr maxlmum strokes.
Flrst of all, the flrst embodlment wlll be descrlbed wlth reference to Flgs. 1 to 5.
- ~653~
Reference numeral 1 designates the body of a cap structure havlng a first clrcumferential wall 2. Thls flrst clrcumferentlal wall 2 ls formed lnto a clrcumferentlal wall to be fltted on the outer clrcumference of the neck of a container, ln case the body 1 is a cap, and has lts lower end shut out with a bottom wall in case the cap structure ls a contalner body. In the shown embodlment, the flrst clrcumferentlal wall has lts top covered wlth a top plate 4 havlng a pourlng port 3, but thls top plate 4 can be elimlnated.
Indlcated at reference numeral 5 ls a cover whlch ls molded of polyethylene or the llke lntegrally wlth the aforementloned body 1. Thls cover 5 can be turned - 5a -X06~;34~
on later-descrlbed hlnges to open or elose the top o~
the first elreumferenee. In the cover 5, a seeond eireumferentlal wall 7 depends from the outer elreum-ferenee of a top wall 6 and ean have its lower end plaeed on the upper end o~ the flrst elreumferentlal wall 2. The flrst circum-~erentlal wall 2 and the seeond elrcumferentlal wall 7 are shaped lnto a true clrele, as seen ln a top plan view, and have thelr baeks formed lnto a vertlcal wall 8 whlch ln turn ls ~ormed wlth a groove 9 at lts wldthwlse eenter.
The vertieal walls of the flrst and seeond elr-eumferentlal walls 2 and 7, whlch are divided by the groove, have tllelr respectlve upper and lower ends conneeted by eurved hlnges 10 and 10, as better seen from Fig. 4. Moreover, the upper end o~ the groove bottom of the flrst elrcumferentlal wall and the lower end of the groove bottom of the second clrcumferentlal wall are formed to merge lnto each other, and the ~lrst and second clrcum~erentlal wall portlons are formed in front of thelr merging portions wlth holes 11 and 11, whlch are extended downward and upward from the upper and lower ends o~ ~he lndlvldual circum-ferential walls to leave an elastlc band 12 at the bottom of the groove 9 at tlle back Or the holes 11 and 11. This elastie band 12 is prellminarily eurved sueh 2~6~i3~
that the body 1 and the cover 5 are integrally molded o~ a synthetic resin such as polyethylene, as shown in Fig. 5, with the cover 5 being opened with respect to the body 1 and with the elastic band 12 being curved upward. The connecting portions between the upper and lower ends of the elastic band and the second and ~irst circum~erentlal walls are so ~ormed that they cannot be bent angularly.
The second embodiment, as shown in Figs. 6 to 8, is not ~ormed with the a~orementioned vertical wall 8 and groove 9 of the ~oregoing ~irst embodiment. In this second embodiment, the righthand and le~thand portions o~ the back o~ the ~irst and second circum-ferential walls 2 and 7, which are shaped into a true circle in a top plan view, are pro~ected backward ~rom their upper end lower end portions to ~orm triangular pro~ections 13 and 13. These pro~ections 13 and 13 are connected at their rear ends by the hinges 10 and 10 to connect the upper and lower ends o~ the first and second circum~erential walls. Moreover, the elas-tic band 12 is extended between the hinges 10 and 10 and so tensed between the lower ~irst circum~erential portion and the upper second circumferential portion that its upper and lower ends merge into the two cir-cum~erential walls in an unbendable manner. Like the 2Q~
case of the first embodiment, the second embodiment has its cap structure molded of the body and the cover in the closed state.
Figs. 9 to 11 show the third embodiment. In this embodiment, the first and second circumferential walls 2 and 7 having a top plan view of a true circle are connected at their rear upper and lower ends by the hinge 10 and at the righthand and lefthand sides of the hinge 10 by a pair of C-shaped elastic bands 12 and 12. These elastic bands are fitted in the re-cesses 13, which are formed to extend between the up-per and lower portions of the individual backs of the first and second circumferential walls 2 and 7, The recesses 13 have their lower end rear edges and upper end rear edges connected to the lower and upper ends of the elastic bands 12 through second and third hin-ges 14 and 15.
Like the foregoing other embodiments, the third embodiment is also formed in the open state, as shown in Fig. 9.
INDUSTRIAL APPLICABILITY
According to the construction thus far described, the cap structure of the present invention can be pre-vented from having its appearance deteriorated because of no notch and can have lts body top sealed up by the cover.
Unllke the three-polnt hlnged cap of the prlor art, the elastlc plates need not be mounted by notchlng the back of the clrcumferentlal wall of the cover and the top wall of the cover partlally. Moreover, ln one embodlment the elastlc bands are glven the C-shaped longltudlnal sectlons so that they can have thelr cover slde ends passlng over the dead centers whlle leavlng a margln of further elastlc deformatlons. Slnce, moveover, the C-shaped elastlc bands are fltted ln the recesses 13 formed ln the backs of the flrst and second clrcumferentlal walls of the body and the cover when ln the closed state, the elastic bands wlll not deterlorate the appearance of the cap structure.
Claims (7)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A snap-type cap structure made of synthetic resin comprising:
a body having a first circumferential wall;
a cover having a second circumferential wall which is placed on the first circumferential wall, said first and second circumferential walls being connected by a pair of hinges;
and an elastic band connecting the body and the cover;
characterized in that said first and second circumferential walls each having a vertical wall at one side thereof, and a groove extending vertically at the widthwise center of the vertical wall, wherein said vertical walls meet each other and are connected by the hinges at both sides of the grooves, and bottom walls of the grooves merge into said elastic band.
a body having a first circumferential wall;
a cover having a second circumferential wall which is placed on the first circumferential wall, said first and second circumferential walls being connected by a pair of hinges;
and an elastic band connecting the body and the cover;
characterized in that said first and second circumferential walls each having a vertical wall at one side thereof, and a groove extending vertically at the widthwise center of the vertical wall, wherein said vertical walls meet each other and are connected by the hinges at both sides of the grooves, and bottom walls of the grooves merge into said elastic band.
2. A cap structure in accordance with claim 1, wherein the bottom walls of the grooves are provided at inner parts thereof with holes which are extending vertically along these grooves, such that the elastic band is formed on outsides of the holes.
3. A cap structure in accordance with claim 1 or 2, wherein the body is adapted to be secured to an open mouth of a container.
4. A cap structure in accordance with claim 1 or 2, wherein the body is a container having the first circumferential wall forming an open mouth.
5. A snap-type cap structure made of synthetic resin comprising:
a body having a first circumferential wall;
a cover having a second circumferential wall placed on the first circumferential wall;
a first hinge for connecting said first and second circumferential walls, and a pair of elastic bands which are provided on both sides of the first hinge for connecting said first and second circumferential walls;
characterized by a pair of recesses each being formed by a lower recess portion on the first circumferential wall and an upper recess portion on the second circumferential wall, which are provided at positions corresponding to said elastic bands;
wherein ends of the elastic bands are connected through second and third hinges to outer edges of the upper and lower ends of the recesses, and the elastic bands have C-shaped longitudinal sections in a closed state and an open state in which the cover is turned over, while the elastic bands being fitted into the recesses in the closed state.
a body having a first circumferential wall;
a cover having a second circumferential wall placed on the first circumferential wall;
a first hinge for connecting said first and second circumferential walls, and a pair of elastic bands which are provided on both sides of the first hinge for connecting said first and second circumferential walls;
characterized by a pair of recesses each being formed by a lower recess portion on the first circumferential wall and an upper recess portion on the second circumferential wall, which are provided at positions corresponding to said elastic bands;
wherein ends of the elastic bands are connected through second and third hinges to outer edges of the upper and lower ends of the recesses, and the elastic bands have C-shaped longitudinal sections in a closed state and an open state in which the cover is turned over, while the elastic bands being fitted into the recesses in the closed state.
6. A cap structure in accordance with claim 5, wherein the body is adapted to be secured to an open mouth of a container.
7. A cap structure in accordance with claim 5, wherein the body is a container having the first circumferential wall forming an open mouth.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2-80392 | 1990-07-27 | ||
| JP1990080392U JP2532090Y2 (en) | 1990-07-27 | 1990-07-27 | Caps and containers with lids that flip elastically |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2065342A1 CA2065342A1 (en) | 1992-01-28 |
| CA2065342C true CA2065342C (en) | 1996-04-30 |
Family
ID=13717019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2065342 Expired - Fee Related CA2065342C (en) | 1990-07-27 | 1991-01-16 | Cap structure with elastically turnover cover |
Country Status (6)
| Country | Link |
|---|---|
| EP (2) | EP0608755B1 (en) |
| JP (1) | JP2532090Y2 (en) |
| AU (1) | AU643497B2 (en) |
| CA (1) | CA2065342C (en) |
| DE (2) | DE69129469T2 (en) |
| WO (1) | WO1992002431A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH683253A5 (en) * | 1990-12-13 | 1994-02-15 | Feichtinger Ernst Expan | Closure. |
| ATE124364T1 (en) * | 1992-02-10 | 1995-07-15 | Feichtinger Ernst Expan | CLOSURE WITH SNAP HINGE. |
| US5437383A (en) * | 1993-06-11 | 1995-08-01 | Stull; Gene | Snap-hinge closure cap with full circumferential seal |
| AT400432B (en) * | 1993-07-14 | 1995-12-27 | Feichtinger Ernst Expan | ONE-PIECE HINGE |
| US5489035A (en) * | 1994-10-13 | 1996-02-06 | Owens-Illinois Closure Inc. | Closure with snap-type hinge cap |
| CA2169486C (en) * | 1995-02-15 | 2007-08-07 | Tsutomu Kobayashi | Snap-hinged cap |
| CA2169699A1 (en) * | 1995-12-01 | 1997-06-02 | Osamu Tsukada | Cap for medical appliance to be retained in human body |
| US5875942A (en) * | 1996-03-22 | 1999-03-02 | Japan Crown Cork Co., Ltd. | Hinged cap separable from bottle at the time of disposal |
| FR2752818B1 (en) * | 1996-08-29 | 1998-10-16 | Oreal | ARTICULATED CAPSULE WITH IMPROVED CONNECTION ELEMENT |
| JPH1120848A (en) * | 1997-06-30 | 1999-01-26 | Nec Corp | Opening/closing hinge structure of housing |
| EP1048582A1 (en) * | 1999-04-29 | 2000-11-02 | Createchnic AG | Plastic tube provided with a hinged closure and method of making the same |
| ES2262449B1 (en) * | 2006-05-18 | 2007-09-16 | Seaplast, S.A. | "PLUG WITH FLIP COVER FOR BOTTLES AND SIMILAR EQUIPPED WITH AN AUTOMATIC LID OPENING SYSTEM". |
| JP5532548B2 (en) * | 2008-05-28 | 2014-06-25 | 凸版印刷株式会社 | Hinge cap |
| US8844746B2 (en) * | 2011-09-14 | 2014-09-30 | Runway Blue, Llc | Liquid container closure with integrated over center latching assembly |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4334639A (en) * | 1979-12-31 | 1982-06-15 | Sunbeam Plastics Corporation | Child-resistant dispensing closure |
| NZ206374A (en) * | 1983-11-23 | 1986-04-11 | Nuon Ind Ltd | Closure and cap therefor with u-shaped secondary hinge linkages |
| US4638916A (en) * | 1985-07-12 | 1987-01-27 | Owens-Illinois, Inc. | Closure with snap-type hinge cap |
| JPS6340351U (en) * | 1986-09-02 | 1988-03-16 | ||
| JPS63110346A (en) * | 1986-10-29 | 1988-05-14 | ナショナル住宅産業株式会社 | Structure of eaves |
| JPS63124496A (en) * | 1986-11-13 | 1988-05-27 | 株式会社日立製作所 | Method of fitting multiterminal component |
| EP0345403A1 (en) * | 1988-06-07 | 1989-12-13 | ASTRA PLASTIQUE Société Anonyme | Plastic cap comprising a cover articulated by a spring-type hinge |
| CH672771A5 (en) * | 1987-05-13 | 1989-12-29 | Alfatechnic Ag | |
| FR2633590B1 (en) * | 1988-07-01 | 1990-11-02 | Astra Plastique | PLUG IN SYNTHETIC MATERIAL WITH ARTICULATED CAP |
| GB8825141D0 (en) * | 1988-10-27 | 1988-11-30 | Bxl Plastics Ltd | Hinged devices |
-
1990
- 1990-07-27 JP JP1990080392U patent/JP2532090Y2/en not_active Expired - Lifetime
-
1991
- 1991-01-16 CA CA 2065342 patent/CA2065342C/en not_active Expired - Fee Related
- 1991-01-16 EP EP94100652A patent/EP0608755B1/en not_active Expired - Lifetime
- 1991-01-16 WO PCT/JP1991/000031 patent/WO1992002431A1/en not_active Ceased
- 1991-01-16 DE DE1991629469 patent/DE69129469T2/en not_active Expired - Fee Related
- 1991-01-16 AU AU70567/91A patent/AU643497B2/en not_active Ceased
- 1991-01-16 EP EP91902752A patent/EP0494306B1/en not_active Expired - Lifetime
- 1991-01-16 DE DE69105110T patent/DE69105110T2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69129469D1 (en) | 1998-06-25 |
| AU7056791A (en) | 1992-03-02 |
| EP0494306B1 (en) | 1994-11-09 |
| DE69129469T2 (en) | 1998-09-17 |
| EP0494306A4 (en) | 1992-12-23 |
| EP0608755B1 (en) | 1998-05-20 |
| EP0494306A1 (en) | 1992-07-15 |
| EP0608755A1 (en) | 1994-08-03 |
| CA2065342A1 (en) | 1992-01-28 |
| JP2532090Y2 (en) | 1997-04-09 |
| DE69105110T2 (en) | 1995-03-23 |
| DE69105110D1 (en) | 1994-12-15 |
| AU643497B2 (en) | 1993-11-18 |
| JPH0438959U (en) | 1992-04-02 |
| WO1992002431A1 (en) | 1992-02-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |