CN102582871B - Vacuum packaging device - Google Patents
Vacuum packaging device Download PDFInfo
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- CN102582871B CN102582871B CN2012100408365A CN201210040836A CN102582871B CN 102582871 B CN102582871 B CN 102582871B CN 2012100408365 A CN2012100408365 A CN 2012100408365A CN 201210040836 A CN201210040836 A CN 201210040836A CN 102582871 B CN102582871 B CN 102582871B
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Abstract
A vacuum packaging device is disclosed, which comprises a left cavity and a right cavity, wherein the left cavity and the right cavity are drawn together to form a vacuum chamber; a sealing component used for sealing a packaging bag under the conditions of high temperature and hot pressing is arranged at the upper side of an inner cavity of the vacuum chamber; the middle part of the inner cavity of the vacuum chamber is provided with an anti-sticking positioning device used for positioning and clamping the packaging bag; the anti-sticking positioning device comprises a frame body seat; the two lower side parts of the frame body seat are respectively provided with a positioning shaft in a penetrating way; a pair of supporting plates that can be drawn together in a crossing way so as to support the lower part of the packaging bag are articulated on the two positioning shafts; channels for the crossing of the two supporting plates are arranged on the supporting plates at intervals; the supporting plates are positioned under the frame body seat; and a pair of clamping plates that can be drawn together oppositely so as to clamp the upper part of the packaging bag are articulated on the two positioning shafts in an inner cavity of the frame body seat. The vacuum packaging device not only solves the problem that the packaging bag is stuck on a sealing rod during heat sealing and has the advantages that the structure is simple, the operation is reliable, the failure rate is low, the service life is long, etc.
Description
Technical field
The present invention relates to the packing technique field, particularly a kind of vacuum packaging equipment.
Background technology
Vacuum-packed technique originates from the forties in 20th century.Nineteen fifty, polyester, sealed polyethylene plastic are successfully used to vacuum packaging, and after this, vacuum packaging is just developed rapidly.The vacuum-packed technique of China grew up in the phase at the beginning of the eighties in last century, and the vacuumizing-inflating packing technology starts a small amount of use in the phase at the beginning of the nineties in last century, along with the popularization of inner wrapping and the development in supermarket, its Applicable scope is more and more extensive, and some will progressively substitute rigid package.
Through the development of decades, still there are many technological deficiencies in vacuum packaging equipment.For example, when hot-press sealed, packaging bag easily is bonded on the hot-seal rod, and normally blanking, affect normally carrying out of producing.And for example, the closing component of existing packaging facilities comprises two sealer bars that relatively move, and the driver train of sealer bar separates, be that each sealer bar has air cylinder driven separately, so not only wasted resource, and increased the volume of mechanism, and make whole mechanism become complicated, reliability of operation is low.
Summary of the invention
In order to solve above-mentioned technical defect, the invention provides a kind of vacuum packaging equipment, this vacuum packaging equipment has the advantages such as simple in structure, reliable working operation, failure rate is low, long service life.
Technical program of the present invention lies in: a kind of vacuum packaging equipment, comprise left cavity and right cavity, described left cavity and right cavity are drawn close rear formation one vacuum chamber mutually, described vacuum chamber inner chamber upside is provided with the closing component of high temperature hot pressing sealing package bag, described vacuum chamber inner chamber middle part is provided with the antiseized registration device for location and clamping packaging bag, described antiseized registration device comprises the framework seat, two following sides of described framework seat are equipped with respectively a fix shaft, be hinged with a pair of gathering that can mutually intersect on described two fix shafts, to hold the supporting plate of packaging bag bottom, on described supporting plate, be arranged at intervals with in order to the cross one another conduit of two supporting plates, described supporting plate is positioned at the below of framework seat, be arranged on two fix shafts of framework seat inner chamber and be hinged with a pair of can relatively gathering the in, to clamp the clamping plate on packaging bag top.
In a preferred embodiment, one side end of described two supporting plates is fixed with respectively a rotation rocking arm, the framework seat one side middle part corresponding with rotating rocking arm is provided with a guiding long slot bore, be respectively arranged with the control long slot bore on described two rotation rocking arms, described guiding long slot bore and two is controlled on long slot bore and is equipped with a bearing pin, also be connected with drive link on described bearing pin, described drive link is driven by the electric clutch actuating device be arranged on vacuum chamber.
In a preferred embodiment, the following side of described two clamping plate is hinged on fix shaft, one side end of described two clamping plate is fixed with respectively a driving turning handle, the framework seat one side middle part corresponding with driving turning handle is provided with a guiding long slot bore, be respectively arranged with the driving long slot bore on described two driving turning handles, described guiding long slot bore and two drives on long slot bore and is equipped with a bearing pin, also be connected with drive link on described bearing pin, described drive link is driven by the electric clutch actuating device be arranged on vacuum chamber.
In a preferred embodiment, described rotation rocking arm is arranged on relative both sides with driving turning handle.
In a preferred embodiment, described closing component, comprise the first sealer bar and the second sealer bar for sealing plastic bag, described the first sealer bar and the second sealer bar are oppositely arranged, described the first sealer bar is arranged on ㄇ type positioning seat, and described ㄇ type positioning seat is driven by the reciprocating push rod that is arranged on its rear portion; Rear portion two sides of described the second sealer bar are provided with the tooth bar push rod, be provided with pinion stand on described tooth bar push rod, be provided with the transmission gear of a sidepiece and the engagement of tooth bar push rod on described pinion stand, the other side of described transmission gear and the engagement of tooth bar push rod, described tooth bar push rod is parallel with the tooth bar push rod, and its front end stretches out the second sealer bar, in order to coordinating with two side pushing tows of ㄇ type positioning seat, on described tooth bar push rod or tooth bar push rod, be provided with pull back spring.
In a preferred embodiment, described reciprocating push rod is arranged on a ram seat, on described reciprocating push rod, is provided with tooth bar, on described ram seat, is provided with for driving the electric clutch actuating device of tooth bar front-rear reciprocation movement.
In a preferred embodiment, described pull back spring is nested with the first half section peripheral part at the tooth bar push rod, and an end of described pull back spring cover withstands on the front end boss of tooth bar push rod, and the other end of described pull back spring cover withstands on pinion stand.
In a preferred embodiment, described electric clutch actuating device, comprise motor, be connected with drop-gear box on the power take-off shaft of described motor, described drop-gear box one side also is provided with gear case, be equipped with a hollow drive shaft for transferring power on described drop-gear box and gear case, be provided with driving gear and transmission gear on described hollow drive shaft, described driving gear is positioned at drop-gear box, and be in transmission connection with the power take-off shaft of motor, described transmission gear is positioned at gear case, described transmission gear realizes that with hollow drive shaft transmission coordinates through the axial feather key radially be located on hollow drive shaft, the inner chamber of described hollow drive shaft is equipped with a clutch rod, the inner end of described clutch rod is connected with axial feather key, do the axial slip motion to drive axial feather key, realize axial feather key and transmission gear engagement and separating action, be provided with retracing spring between described clutch rod and hollow drive shaft.
In a preferred embodiment, described transmission gear empty set is on the shaft shoulder of hollow drive shaft one end, follow axial feather key with the restriction transmission gear and do the axial slip motion, also be provided with on described gear case with the transmission gear transmission and coordinate tooth bar, described axial feather key middle part is provided with tapped bore, and the inner end of described clutch rod is provided with tapped bore locks friction tight double-screw bolt.
In a preferred embodiment, the other end of described hollow drive shaft is provided with a shaft end nut, described retracing spring is nested with on clutch rod, described retracing spring one end withstands on the shaft shoulder of clutch rod, its the other end withstands on shaft end nut, and the overhanging end of described clutch rod passes from the through hole at shaft end nut middle part, and is hinged with spacer on overhanging end, be provided with circular groove on described transmission gear, be provided with O type circle in described circular groove.
The invention has the advantages that: the one, antiseized registration device has advantages of simple in structure, cheap, only adopts simple several part just can realize the antiseized and position fixing process of packaging bag when sealing; The 2nd, because it is simple in structure, make the operation between each parts interfere less, rub little, operate steadily, failure rate is low; The 3rd, due to its failure rate is low, time and the number of times of the maintenance of stopping are few, are conducive to enhance productivity, and increase economic efficiency; The 4th, this closing component only adopts an actuating unit (motor) just can realize the relative motion of two sealer bars, realize the sealing operation of packing outer bag, the outfit of having saved actuating unit, reduced manufacturing cost, also dwindled the volume of closing component, be convenient to install simultaneously; The 5th, actuating unit is the electric clutch actuating device, easy to adjust, has improved the commonality of assembly; The 6th, long service life.
The accompanying drawing explanation
Fig. 1 is the structural representation of the vacuum packaging equipment in embodiment.
Fig. 2 and Fig. 3 are the perspective view of the antiseized registration device in embodiment.
Fig. 4 is the plan structure schematic diagram of the outer bag closing component in embodiment.
Fig. 5 is the perspective view of the first sealer bar and driver train thereof.
Fig. 6 is the main TV structure schematic diagram of electric clutch actuating device.
Fig. 7 is the right elevation of Fig. 6.
Fig. 8 is the engaging and disengaging gear schematic diagram of electric clutch actuating device.
Fig. 9 is the hollow drive shaft structural representation.
Figure 10 is the structural representation of transmission gear D2.
Figure 11 is hollow drive shaft and component structural schematic diagram mounted thereto.
In figure: L-left cavity R-right cavity K-closing component F-antiseized registration device;
1-framework seat, 2-fix shaft, 3-supporting plate, 4-clamping plate 5-rotation rocking arm 6-guiding long slot bore 7-control long slot bore 8-bearing pin 9-drive link 10-driving turning handle 11-guiding long slot bore 12-driving long slot bore 13-bearing pin 14-drive link 15-conduit;
K1-first sealer bar K2-second sealer bar K3-ㄇ type positioning seat K4-reciprocating push rod K5-tooth bar push rod K6-pinion stand K7-transmission gear K8-tooth bar push rod K9-pull back spring K10-ram seat K11-electric clutch actuating device;
D1-gear case D2-transmission gear D3-tooth bar D4-driving gear D5-hollow drive shaft D6-clutch rod D7-axial feather key D8-retracing spring D9-shaft end nut D10-spacer D11-O type circle D12-gear case cover D13-drop-gear box D14-motor D 15-radial direction through hole D16-double-screw bolt D17-circular groove.
The specific embodiment
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below.
Please refer to Fig. 1 ~ 3, vacuum packaging equipment of the present invention, comprise left cavity L and right cavity R, described left cavity L and right cavity R draw close rear formation one vacuum chamber mutually, described vacuum chamber inner chamber upside is provided with the closing component K of high temperature hot pressing sealing package bag, described vacuum chamber inner chamber middle part is provided with the antiseized registration device F for location and clamping packaging bag, described antiseized registration device F comprises framework seat 1, two following sides of described framework seat 1 are equipped with respectively a fix shaft 2, be hinged with a pair of gathering that can mutually intersect on described two fix shafts 2, with the supporting plate 3 of holding the packaging bag bottom, on described supporting plate 3, be arranged at intervals with in order to the cross one another conduit 15 of two supporting plates, described supporting plate 3 is positioned at the below of framework seat 1, be arranged on two fix shafts 2 of framework seat 1 inner chamber and be hinged with a pair of can relatively gathering the in, to clamp the clamping plate 4 on packaging bag top.
Please refer to Fig. 2 ~ 3, in the present embodiment, one side end of described two supporting plates 3 is fixed with respectively a rotation Rocker arm 5, the framework seat 1 one side middle parts corresponding with rotating Rocker arm 5 are provided with a guiding long slot bore 6, be respectively arranged with and control long slot bore 7 on described two rotation Rocker arm 5s, described guiding long slot bore 5 and two is controlled on long slot bore 7 and is equipped with a bearing pin 8, on described bearing pin 8, also is connected with drive link 9, and described drive link 9 drives K11 by the electric clutch actuating device be arranged on vacuum chamber.
Please refer to Fig. 2 ~ 3, in the present embodiment, the following side of described two clamping plate 4 is hinged on fix shaft 2, one side end of described two clamping plate 4 is fixed with respectively a driving turning handle 10, the framework seat 1 one side middle parts corresponding with driving turning handle 10 are provided with a guiding long slot bore 11, be respectively arranged with and drive long slot bore 12 on described two driving turning handles 10, described guiding long slot bore 11 and two drives on long slot bore 12 and is equipped with a bearing pin 13, also be connected with drive link 14 on described bearing pin, described drive link 14 drives K11 by the electric clutch actuating device be arranged on vacuum chamber.
Please refer to Fig. 2 ~ 3, in the present embodiment, described rotation Rocker arm 5 is separately positioned in the left and right sides section of framework seat 1 with driving turning handle 10.
Please refer to Fig. 4 ~ 5, in the present embodiment, described closing component K, comprise the first sealer bar K1 and the second sealer bar K2 for sealing plastic bag, described the first sealer bar K1 and the second sealer bar K2 are oppositely arranged, it is upper that described the first sealer bar K1 is arranged on ㄇ type positioning seat K3, and described ㄇ type positioning seat K3 is driven by the reciprocating push rod K4 that is arranged on its rear portion; Rear portion two sides of described the second sealer bar K2 are provided with tooth bar push rod K5, be provided with pinion stand K6 on described tooth bar push rod K5, be provided with the transmission gear K7 of a sidepiece and tooth bar push rod K5 engagement on described pinion stand K6, the other side of described transmission gear K7 and tooth bar push rod K8 engagement, described tooth bar push rod K8 is parallel with tooth bar push rod K5, and its front end stretches out the second sealer bar K2, coordinate in order to the two side pushing tows with ㄇ type positioning seat K3, on described tooth bar push rod K8 or tooth bar push rod K5, be provided with pull back spring K9.
Please refer to Fig. 4 ~ 5, in the present embodiment, it is upper that described reciprocating push rod K4 is arranged on a ram seat K10, on described reciprocating push rod K4, is provided with tooth bar, on described ram seat K10, is provided with for driving the electric clutch actuating device K11 of tooth bar front-rear reciprocation movement.
Please refer to Fig. 4 ~ 5, in the present embodiment, described pull back spring cover K9 puts the first half section peripheral part at tooth bar push rod K8, and an end of described pull back spring K9 cover withstands on the front end boss of tooth bar push rod K8, and the other end of described pull back spring cover K9 withstands on pinion stand K6.
Please refer to Fig. 6 ~ 11, in the present embodiment, described electric clutch actuating device K11, comprise motor D 14, be connected with drop-gear box D13 on the power take-off shaft of described motor D 14, described drop-gear box D13 mono-side also is provided with gear case D1, be equipped with a D5 of the hollow drive shaft for transferring power on described drop-gear box D13 and gear case D1, be provided with driving gear D4 and transmission gear D2 on described hollow drive shaft D5, described driving gear D4 is positioned at drop-gear box, and be in transmission connection with the power take-off shaft of motor D 14, described transmission gear D2 is positioned at gear case, the axial feather key D7 of described transmission gear D2 through radially being located on hollow drive shaft D5 realizes that with hollow drive shaft D5 transmission coordinates, the inner chamber of described hollow drive shaft D5 is equipped with a clutch rod D6, the inner end of described clutch rod D6 is connected with axial feather key D7, do the axial slip motion to drive axial feather key D7, realize axial feather key D7 and transmission gear D2 engagement and separating action, be provided with retracing spring D8 between described clutch rod D6 and hollow drive shaft D5.
Please refer to Fig. 6 ~ 11, in the present embodiment, described transmission gear D2 empty set, on the shaft shoulder of hollow drive shaft D5 mono-end, is followed axial feather key D7 with restriction transmission gear 2 and is done the axial slip motion, also is provided with on described gear case D1 with transmission gear D2 transmission and coordinates tooth bar D3.Described axial feather key D7 middle part is provided with tapped bore, and the inner end of described clutch rod D6 is provided with tapped bore locks friction tight double-screw bolt D16.
Please refer to Fig. 6 ~ 11, in the present embodiment, the other end of described hollow drive shaft D5 is provided with a shaft end nut D9, described retracing spring D8 is nested with on clutch rod D6, described retracing spring D8 mono-end withstands on the shaft shoulder of clutch rod D6, it is upper that its other end withstands on shaft end nut D9, and the overhanging end of described clutch rod D6 passes from the through hole at shaft end nut D9 middle part, and is hinged with spacer D10 on overhanging end.Be provided with circular groove on described transmission gear D2, be provided with O type circle D11 in described circular groove.
The present invention does not limit to above-mentioned preferred forms, and all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (9)
1. a vacuum packaging equipment, comprise left cavity and right cavity, described left cavity and right cavity are drawn close rear formation one vacuum chamber mutually, it is characterized in that: described vacuum chamber inner chamber upside is provided with the closing component of high temperature hot pressing sealing package bag, described vacuum chamber inner chamber middle part is provided with the antiseized registration device for location and clamping packaging bag, described antiseized registration device comprises the framework seat, two following sides of described framework seat are equipped with respectively a fix shaft, be hinged with a pair of gathering that can mutually intersect on described two fix shafts, to hold the supporting plate of packaging bag bottom, on described supporting plate, be arranged at intervals with in order to the cross one another conduit of two supporting plates, described supporting plate is positioned at the below of framework seat, be arranged on two fix shafts of framework seat inner chamber and be hinged with a pair of can relatively gathering the in, to clamp the clamping plate on packaging bag top.
2. vacuum packaging equipment according to claim 1, it is characterized in that: a side end of described two supporting plates is fixed with respectively a rotation rocking arm, the framework seat one side middle part corresponding with rotating rocking arm is provided with a guiding long slot bore, be respectively arranged with the control long slot bore on described two rotation rocking arms, described guiding long slot bore and two is controlled on long slot bore and is equipped with a bearing pin, also be connected with drive link on described bearing pin, described drive link is driven by the electric clutch actuating device be arranged on vacuum chamber.
3. vacuum packaging equipment according to claim 1, it is characterized in that: the following side of described two clamping plate is hinged on fix shaft, one side end of described two clamping plate is fixed with respectively a driving turning handle, the framework seat one side middle part corresponding with driving turning handle is provided with a guiding long slot bore, be respectively arranged with the driving long slot bore on described two driving turning handles, described guiding long slot bore and two drives on long slot bore and is equipped with a bearing pin, also be connected with drive link on described bearing pin, described drive link is driven by the electric clutch actuating device be arranged on vacuum chamber.
4. vacuum packaging equipment according to claim 1, it is characterized in that: described closing component, comprise the first sealer bar and the second sealer bar for sealing plastic bag, described the first sealer bar and the second sealer bar are oppositely arranged, described the first sealer bar is arranged on ㄇ type positioning seat, and described ㄇ type positioning seat is driven by the reciprocating push rod that is arranged on its rear portion; Rear portion two sides of described the second sealer bar are provided with the tooth bar push rod, be provided with pinion stand on described tooth bar push rod, be provided with the transmission gear of a sidepiece and the engagement of tooth bar push rod on described pinion stand, the other side of described transmission gear and the engagement of tooth bar push rod, described tooth bar push rod is parallel with the tooth bar push rod, and its front end stretches out the second sealer bar, in order to coordinating with two side pushing tows of ㄇ type positioning seat, on described tooth bar push rod or tooth bar push rod, be provided with pull back spring.
5. vacuum packaging equipment according to claim 4, it is characterized in that: described reciprocating push rod is arranged on a ram seat, be provided with tooth bar on described reciprocating push rod, be provided with on described ram seat for driving the electric clutch actuating device of tooth bar front-rear reciprocation movement.
6. vacuum packaging equipment according to claim 4, it is characterized in that: described pull back spring is nested with the first half section peripheral part at the tooth bar push rod, one end of described pull back spring cover withstands on the front end boss of tooth bar push rod, and the other end of described pull back spring cover withstands on pinion stand.
7. according to claim 2, 3 or 5 described vacuum packaging equipments, it is characterized in that: described electric clutch actuating device, comprise motor, be connected with drop-gear box on the power take-off shaft of described motor, described drop-gear box one side also is provided with gear case, be equipped with a hollow drive shaft for transferring power on described drop-gear box and gear case, be provided with driving gear and transmission gear on described hollow drive shaft, described driving gear is positioned at drop-gear box, and be in transmission connection with the power take-off shaft of motor, described transmission gear is positioned at gear case, described transmission gear realizes that with hollow drive shaft transmission coordinates through the axial feather key radially be located on hollow drive shaft, the inner chamber of described hollow drive shaft is equipped with a clutch rod, the inner end of described clutch rod is connected with axial feather key, do the axial slip motion to drive axial feather key, realize axial feather key and transmission gear engagement and separating action, be provided with retracing spring between described clutch rod and hollow drive shaft.
8. vacuum packaging equipment according to claim 7, it is characterized in that: described transmission gear empty set is on the shaft shoulder of hollow drive shaft one end, follow axial feather key with the restriction transmission gear and do the axial slip motion, also be provided with on described gear case with the transmission gear transmission and coordinate tooth bar, described axial feather key middle part is provided with tapped bore, and the inner end of described clutch rod is provided with tapped bore locks friction tight double-screw bolt.
9. vacuum packaging equipment according to claim 7, it is characterized in that: the other end of described hollow drive shaft is provided with a shaft end nut, described retracing spring is nested with on clutch rod, described retracing spring one end withstands on the shaft shoulder of clutch rod, its the other end withstands on shaft end nut, the overhanging end of described clutch rod passes from the through hole at shaft end nut middle part, and be hinged with spacer on overhanging end, be provided with circular groove on described transmission gear, be provided with O type circle in described circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100408365A CN102582871B (en) | 2012-02-22 | 2012-02-22 | Vacuum packaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100408365A CN102582871B (en) | 2012-02-22 | 2012-02-22 | Vacuum packaging device |
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| Publication Number | Publication Date |
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| CN102582871A CN102582871A (en) | 2012-07-18 |
| CN102582871B true CN102582871B (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100408365A Expired - Fee Related CN102582871B (en) | 2012-02-22 | 2012-02-22 | Vacuum packaging device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274088B (en) * | 2013-06-26 | 2015-04-29 | 苏州市金翔钛设备有限公司 | Efficient sealing machine |
| CN103879586B (en) * | 2014-03-13 | 2016-06-15 | 江苏腾通包装机械有限公司 | Passive mobile vacuum room rear chamber |
| CN104443562B (en) * | 2014-12-02 | 2016-05-04 | 成都三可实业有限公司 | A kind of heating tube conducting wire mounting seat for traverse sealing device |
| CN105329477B (en) * | 2015-12-10 | 2017-05-03 | 福建省安溪县兴安金属有限公司 | Interior vacuumizing device and vacuumizing method for packing machine |
| CN106697382A (en) * | 2017-01-11 | 2017-05-24 | 泉州信息工程学院 | Tea packing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4418512A (en) * | 1981-03-25 | 1983-12-06 | Rexham Corporation | Machine and method for making substantially air-free sealed pouches |
| CN101412442A (en) * | 2008-11-14 | 2009-04-22 | 合肥工业大学 | Mechanical shaping mould for vacuum packaging |
| CN201647148U (en) * | 2010-03-08 | 2010-11-24 | 广东荣诚食品有限公司 | Vacuum package machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3514886B2 (en) * | 1995-08-10 | 2004-03-31 | 東洋自動機株式会社 | Vacuum packaging machine |
-
2012
- 2012-02-22 CN CN2012100408365A patent/CN102582871B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4418512A (en) * | 1981-03-25 | 1983-12-06 | Rexham Corporation | Machine and method for making substantially air-free sealed pouches |
| CN101412442A (en) * | 2008-11-14 | 2009-04-22 | 合肥工业大学 | Mechanical shaping mould for vacuum packaging |
| CN201647148U (en) * | 2010-03-08 | 2010-11-24 | 广东荣诚食品有限公司 | Vacuum package machine |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平9－48409A 1997.02.18 |
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Granted publication date: 20131211 Termination date: 20140222 |