CN203601712U - Portable plastic sealed packing case - Google Patents
Portable plastic sealed packing case Download PDFInfo
- Publication number
- CN203601712U CN203601712U CN201320813355.3U CN201320813355U CN203601712U CN 203601712 U CN203601712 U CN 203601712U CN 201320813355 U CN201320813355 U CN 201320813355U CN 203601712 U CN203601712 U CN 203601712U
- Authority
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- China
- Prior art keywords
- sidewall
- case
- case lid
- packing chest
- box
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- 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 - Lifetime
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- 238000012856 packing Methods 0.000 title claims abstract description 114
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 210000000038 chest Anatomy 0.000 claims description 96
- 239000000463 material Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 2
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 206010008468 Chest crushing Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 206010008469 Chest discomfort Diseases 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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Abstract
The utility model discloses a portable plastic sealed packing case which comprises a case body and a case cover. The case body is of a convex-concave structure, so that the compression resistant performance and the shock resistant performance of the case body are improved. The matched portion of the side wall of the case cover and the side wall of the case body is manufactured into a concave shape, namely, the top end of the side wall of the case body is connected with the inner wall of a groove of the side wall of the case cover, so that the compression resistant performance of the packing case is enhanced; due to the arrangement of reinforcing ribs, the case body of the packing case is firmer; the packing case is provided with a lifting handle and strap holes so that the packing case can be carried more conveniently; the packing case is provided with a locating groove and a locating boss so that packing cases can be stacked stably and stored conveniently; a silicon seal is arranged in the packing case, so that the waterproof performance and the sealing performance of the packing case are enhanced; a safety lock hole is formed in the packing case, the inner portion of the safety lock hole can be locked, and therefore the safety coefficient of the packing case is improved.
Description
Technical field
The utility model relates to packing box structure, is specifically related to a kind of portable plastic seal packing chest.
Background technology
Along with the development of carrier, the use of packing chest is more and more frequent, and packing chest is applicable to the packing of the domestic of various goods and product or outlet, economical and practical, packing chest numerous in variety, but in existing packing chest, but there are some problems:
Existing packing chest technology is adopt the casing of physical construction and the mode of case lid combination seal and have seal ring mostly, but due to the effect of extruding or impulsive force, casing produces distortion, sealing effectiveness is undesirable, and large batch of casing is while putting together, often pile carrying is all had any problem.
Some packing chests of recording in existing patent, as disclosed packing chest in Chinese patent application 200520028462.0, although packing chest is convenient for carrying here, casing is easily out of shape, and poor sealing, for daily use makes troubles.
And for example disclosed packing chest in Chinese patent application 201210289991.0, this class packing chest has solved the problem of box deformation, but by this class packing chest pile together time, very difficult pile is also not easy carrying.The safety of this class packing chest is simultaneously low, and a lot of packing chests do not have safe safety method.
Due to the existence of the problems referred to above, the inventor carries out research and analysis to existing packing chest technology, so as to produce have that leak tightness is high, pile and convenient in carrying, anti-impact force are strong, casing is depressed the portable plastic seal packing chest indeformable, safety factor is high.
Utility model content
For the problems referred to above, the inventor studies with keen determination, found that: comprised the case lid of top cover and case lid sidewall and comprised at the bottom of case and the casing of wall box by setting, case lid is connected with casing; Wherein, the top of top cover arranges positioning boss, and the bottom that case is low arranges detent; The bottom of case lid sidewall is provided with groove, and inside grooves is provided with O-ring seal, and in the time that this packing chest is closed, the outer wall on wall box top and groove inwall connect; The junction of top cover and case lid sidewall is provided with concavo-convex mechanism, at the bottom of case, is provided with concavo-convex mechanism with the junction of wall box; Be provided with handle and snap close in the outside of front wall box; Thereby complete the utility model.
The purpose of this utility model is to provide following aspect:
(1) portable plastic seal packing chest, is characterized in that, this packing chest comprises:
Case lid 1, it comprise top cover 1a be located at top cover bottom edge place and with the vertical case lid sidewall 1b being connected of top cover, top cover 1a top is provided with positioning boss 9, case lid sidewall 1b offers groove along the longitudinal direction away from the end of top cover 1a one end, inside grooves is provided with O-ring seal 8, the junction of top cover and case lid sidewall 1b is provided with concavo-convex mechanism 11, and case lid sidewall 1b comprises back box lid sidewall 24
Casing 3, it is case shape structure, it comprise at the bottom of case 3a and be located at case at the bottom of 3a top place and with the vertical wall box 3b being connected of 3a at the bottom of case, at the bottom of case, the junction of 3a and wall box 3b is provided with concavo-convex mechanism 11, at the bottom of case, 3a bottom is provided with detent 10; Wherein, wall box 3b comprises rear box sidewall 34, and the top of rear box sidewall 34 is connected by bearing pin with the bottom of back box lid sidewall 24; The outside of the front wall box 31 relative with rear box sidewall 34 is provided with handle and snap close;
Wherein, in the time of case lid and the sealing of casing fastening, the outer wall on wall box 3b top and case lid sidewall 1b bottom engagement.
(2) according to the portable plastic seal packing chest above-mentioned (1) Suo Shu, it is characterized in that,
Case lid sidewall also comprises front case lid sidewall 21, left case lid sidewall 22 and right case lid sidewall 23; Wherein, front case lid sidewall 21 is relative with back box lid sidewall 24, and front case lid sidewall 21, left case lid sidewall 22, right case lid sidewall 23 and back box lid sidewall 24 form the case lid sidewall that cross section is rectangle;
Wall box also comprises left box body sidewall 32 and right case sidewall 33, and wherein front wall box 31, rear box sidewall 34, left box body sidewall 32 and right case sidewall 33 form the wall box 3b that cross section is rectangle.
(3) according to the portable plastic seal packing chest above-mentioned (1) Suo Shu, it is characterized in that, described handle 5 is flip type handles.
(4) according to the portable plastic seal packing chest above-mentioned (1) or (2) Suo Shu, it is characterized in that, the outside of left box body sidewall is provided with left dorsal 2a with holes;
The outside of right case sidewall is provided with braces hole, right side 2b.
(5) according to the portable plastic seal packing chest above-mentioned (1) Suo Shu, it is characterized in that, bearing pin, handle and snap close are that stainless steel material is made.
(6) according to the portable plastic seal packing chest above-mentioned (1) or (2) Suo Shu, it is characterized in that, the outside of front case lid sidewall 21 is provided with reinforced rib 7;
The outside of back box lid sidewall 24 is provided with reinforced rib 7;
The outside of front wall box 31 is provided with reinforced rib 7;
The outside of rear box sidewall 34 is provided with reinforced rib 7.
(7) according to the portable plastic seal packing chest above-mentioned (1) or (2) Suo Shu, it is characterized in that,
The bottom in front case lid sidewall outside is provided with the first projection, and the first projection is provided with vertical upper safe lockhole 4a;
The top in front wall box outside is provided with the second projection, and the second projection is provided with vertical lower safe lockhole 4b;
Described safe lockhole and lower safe lockhole form safe lockhole.
(8) according to the portable plastic seal packing chest above-mentioned (1) Suo Shu, it is characterized in that, in the time that this packing chest carries out pile, in adjacent two packing chests, be positioned at positioning boss 9 outer walls of packing chest below and connect with detent 10 inwalls of packing chest above.
The utlity model has following beneficial effect:
The first, this packing chest is designed with convex-concave structure, resistance to compression and the impact resistance of casing are improved, case lid sidewall and wall box matching part are made into and gulp down the shape of the mouth as one speaks, be that wall box top and case lid sidewall notches inwall join, this packing chest crushing resistance is strengthened, reinforced rib is set and makes the casing of this packing chest firmer.
The second, this packing chest is provided with handle and braces hole, makes this packing chest easy to carry.
Three, this packing chest arranges detent and positioning boss, and this packing chest pile is done as you wish in storage.
Four, this packing chest is provided with O-ring seal, has strengthened waterproof and the sealing property of this packing chest.
Five, this packing chest is provided with safe lockhole, in safe lockhole, can pin with lock, has improved the safety factor of this packing chest.
Accompanying drawing explanation
Fig. 1 illustrates according to the constructional drawing of the portable plastic seal packing chest of a kind of preferred implementation of the utility model;
Fig. 2 illustrates according to the cut-away view of the portable plastic seal packing of a kind of preferred implementation of the utility model;
Fig. 3 a illustrates the portable plastic seal packing chest pile constitution diagram according to a kind of preferred implementation of the utility model;
Fig. 3 b illustrates the portable plastic seal packing chest case lid constructional drawing according to a kind of preferred implementation of the utility model;
Fig. 3 c illustrates the portable plastic seal packaging box body structure figure according to a kind of preferred implementation of the utility model;
Fig. 4 illustrates according to the upward view of the portable plastic seal packing chest of a kind of preferred implementation of the utility model.
Drawing reference numeral explanation:
1-case lid
1a-top cover
1b-case lid sidewall
2a-left dorsal is with holes
Braces hole, 2b-right side
3-casing
At the bottom of 3a-case
3b-wall box
The upper safe lockhole of 4a-
The upper safe lockhole of 4b-
5-handle
6-snap close
7-reinforced rib
8-O-ring seal
9-positioning boss
10-detent
The concavo-convex mechanism of 11-
Case lid sidewall before 21-
The left case lid sidewall of 22-
The right case lid sidewall of 23-
24-back box lid sidewall
Wall box before 31-
32-left box body sidewall
33-right case sidewall
34-rear box sidewall
The specific embodiment
Below by drawings and Examples, the utility model is further described.Leading to these explanations, it is more explicit that feature of the present utility model and advantage will become.
Here special word " exemplary " means " as example, embodiment or illustrative ".Here needn't be interpreted as being better than or being better than other embodiment as " exemplary " illustrated any embodiment.Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, needn't draw accompanying drawing in proportion.
According to of the present utility model one preferred embodiment in, as shown in fig. 1, provide portable plastic seal packing chest, this packing chest comprises:
Case lid 1, it comprise top cover 1a be located at top cover bottom edge place and with the vertical case lid sidewall 1b being connected of top cover, top cover 1a top is provided with positioning boss 9, case lid sidewall 1b offers groove along the longitudinal direction away from the end of top cover 1a one end, inside grooves is provided with O-ring seal 8, the junction of top cover and case lid sidewall 1b is provided with concavo-convex mechanism 11, and case lid sidewall 1b comprises back box lid sidewall 24
Casing 3, it is the case shape structure with a bottom surface, it comprise at the bottom of case 3a and be located at case at the bottom of 3a top place and with the vertical wall box 3b being connected of 3a at the bottom of case, at the bottom of case, the junction of 3a and wall box 3b is provided with concavo-convex mechanism 11, at the bottom of case, 3a bottom is provided with detent 10; Wherein, wall box 3b comprises rear box sidewall 34, and the top of rear box sidewall 34 is connected by bearing pin with the bottom of back box lid sidewall 24; The outside of the front wall box 31 relative with rear box sidewall 34 is provided with handle and snap close;
Wherein, in the time closing this packing chest, the inwall of the outer wall on wall box top and case lid sidewall (1b) bottom groove connects.
One preferred embodiment in, as shown in Fig. 2,3a and 3b, described case lid 1 is for having the casing of a bottom surface, case lid 1 comprise top cover 1a be located at top cover bottom edge place and with the vertical case lid sidewall 1b being connected of top cover, wherein, top cover is for hiding the article that are positioned at packing chest inside, and case lid sidewall, for stopping the article that are positioned at packing chest inside, prevents that article from overflowing packing chest.
Not particular restriction of the cross-sectional plane of described case lid 1, the cross-sectional plane of case lid can be rectangle or other regular shapes, here, the cross-sectional plane of case lid is preferably rectangle, rectangle conveniently laying and carrying.
One preferred embodiment in, as shown in Fig. 3 c and 5, it is the case shape structure with a bottom surface for described casing 3, it comprise at the bottom of case 3a and be located at case at the bottom of 3a top place and with the vertical wall box 3b being connected of 3a at the bottom of case, wherein, in the time that this packing chest uses, at the bottom of case, be used for supporting the article that are positioned at packing chest inside, wall box, for stopping the article that are positioned at packing chest inside, prevents that article from overflowing packing chest;
The cross-sectional plane of described casing there is no particular restriction, can be rectangle or other figures, preferred rectangle in the utility model.
Outer wall and the case lid sidewall 1b bottom engagement on wall box 3b top when case lid and casing fasten sealing, the common space that forms a sealing at the bottom of case lid, case lid sidewall wall box and case;
In further preferred embodiment, as shown in Fig. 3 b and 3c, in case lid 1, the top of top cover 1a is provided with positioning boss 9; At the bottom of casing 3 raising middle flasks, 3a bottom is provided with detent 10, and positioning boss 9 is used in conjunction with detent 10, makes this packing chest pile steady;
Wherein, described positioning boss 9 is the projection that cross-sectional area reduces gradually from the bottom to top in a longitudinal direction; Described detent 10 is the pit that cross-sectional area reduces gradually from the bottom to top in a longitudinal direction, and in the utility model, described longitudinal direction is the direction of the Y-axis as shown in Fig. 3 a, respectively with top cover and the straight direction of case dolly.
Here, in the time that multiple such packing chests are carried out to pile, the outer wall that is positioned at the positioning boss 9 of packing chest below connects with the inwall that is positioned at detent 10 above, and then makes adjacent two packing chests can pile steady.
One preferred embodiment in, as shown in fig. 1, in case lid 1, the junction of top cover and case lid sidewall 1b is provided with concavo-convex mechanism 11; In casing 3, at the bottom of case, the junction of 3a and wall box 3b is provided with concavo-convex mechanism 11; Case lid is identical with the concavo-convex mechanism in casing;
Here, described concavo-convex mechanism is alternately connected and forms successively with flange by recessed edge, and the intensity of this packing chest has improved in concavo-convex mechanism, in the time that this packing chest falls or is impacted, plays buffering and reduces strength under shock effect.
One preferred embodiment in, as shown in Figure 2, described case lid sidewall 1b offers groove along the longitudinal direction away from the end of top cover 1a one end, inside grooves is provided with O-ring seal 8; In the time that this packing chest is closed, the inwall of described wall box top outer wall and case lid sidewall notches connects, and gulps down a mouthful formula setting by this kind, this packing chest pressure resistance is improved, the pressure resistance that increases case lid, case lid can directly pass to casing by power, prevents case lid sliding deformation under weight; O-ring seal improves this packing chest leak tightness simultaneously, and water-proofness is strengthened.
In further preferred embodiment, as shown in fig. 1, in order to improve the anti-impact force of this packing chest, be equipped with reinforced rib 7 in the outside of front case lid sidewall 21, back box lid sidewall, front wall box and rear box sidewall 34.
In the utility model, the quantity of described reinforced rib 7 is not limit, and here, is preferably, and is equipped with two reinforced ribs 7 in the outside of front case lid sidewall 21, back box lid sidewall, front wall box and rear box sidewall 34.
One preferred embodiment in, as shown in fig. 1, on front wall box outside, be provided with handle, the outside of left box body sidewall is provided with left dorsal 2a with holes; The outside of right case sidewall is provided with braces hole, right side 2b.
With holes and the braces hole, right side of handle, left dorsal is convenient for carrying this packing chest, is convenient to transportation.
In a preferred implementation, as shown in fig. 1, on front wall box outside, be provided with snap close, snap close is used for locking this packing chest, make this packing chest more firm in transportation, the article of packing chest inside can not be overflowed, and wherein, front case lid sidewall 21 outsides of case lid are provided with boss, in the time that needs are locked this packing chest, hook the boss on case lid with snap close, snap close is rotated in place, and then makes this packing chest locked.
In further preferred embodiment, as shown in fig. 1, safe lockhole is set, be provided with the first projection in the bottom in front case lid sidewall 21 outsides, the first projection is provided with vertical upper safe lockhole 4a; Top in front wall box outside is provided with the second projection, and the second projection is provided with vertical lower safe lockhole 4b; Described safe lockhole and lower safe lockhole form safe lockhole.
By using safe lockhole that this packing chest safety factor is improved, can in safe lockhole, settle tapered end by locked this packing chest, in the utility model, the number of described safe lockhole is preferably two.
The portable plastic seal packing chest providing according to the utility model, has following beneficial effect:
The first, this packing chest is designed with convex-concave structure, resistance to compression and the impact resistance of casing are improved, case lid sidewall and wall box matching part are made into and gulp down the shape of the mouth as one speaks, be that wall box top and case lid sidewall notches inwall join, anti-this packing chest crushing resistance is strengthened, reinforced rib is set and makes the casing of this packing chest firmer.
The second, this packing chest is provided with handle and braces hole, makes this packing chest easy to carry.
Three, this packing chest arranges detent and positioning boss, and this packing chest pile is done as you wish in storage.
Four, this packing chest is provided with O-ring seal, has strengthened waterproof and the sealing property of this packing chest.
Five, this packing chest is provided with safe lockhole, in safe lockhole, can pin with lock, has improved the safety factor of this packing chest.
More than combine preferred embodiment the utility model is illustrated, but these embodiments are only exemplary, only play illustrative effect.On this basis, can carry out multiple replacement and improvement to the utility model, these all fall in protection domain of the present utility model.
Claims (8)
1. portable plastic seal packing chest, is characterized in that, this packing chest comprises:
Case lid (1), it comprise top cover (1a) be located at top cover bottom edge place and with the vertical case lid sidewall (1b) being connected of top cover, top cover (1a) top is provided with positioning boss (9), case lid sidewall (1b) is offered groove along the longitudinal direction away from the end of top cover (1a) one end, inside grooves is provided with O-ring seal (8), and the junction of top cover and case lid sidewall (1b) is provided with concavo-convex mechanism (11), wherein, case lid sidewall (1b) comprises back box lid sidewall (24)
Casing (3), it is case shape structure, at the bottom of it comprises case (3a) be located at case at the bottom of (3a) top place and with (3a) at the bottom of the case vertical wall box being connected (3b), at the bottom of case, (3a) is provided with concavo-convex mechanism (11) with the junction of wall box (3b), and at the bottom of case, (3a) bottom is provided with detent (10); Wherein, wall box (3b) comprises rear box sidewall (34), and the top of rear box sidewall (34) is connected by bearing pin with the bottom of back box lid sidewall (24); The outside of the front wall box (31) relative with rear box sidewall (34) is provided with handle (5) and snap close (6);
Wherein, in the time of case lid and the sealing of casing fastening, the outer wall on wall box (3b) top and case lid sidewall (1b) bottom engagement.
2. portable plastic seal packing chest according to claim 1, is characterized in that,
Case lid sidewall also comprises front case lid sidewall (21), left case lid sidewall (22) and right case lid sidewall (23); Wherein, front case lid sidewall (21) is relative with back box lid sidewall (24), the case lid sidewall that front case lid sidewall (21), left case lid sidewall (22), right case lid sidewall (23) and back box lid sidewall (24) composition cross section are rectangle;
Wall box also comprises left box body sidewall (32) and right case sidewall (33), the wall box (3b) that wherein front wall box (31), rear box sidewall (34), left box body sidewall (32) and right case sidewall (33) composition cross section are rectangle.
3. portable plastic seal packing chest according to claim 1, is characterized in that, described handle (5) is flip type handle.
4. portable plastic seal packing chest according to claim 1 and 2, is characterized in that, the outside of left box body sidewall is provided with left dorsal (2a) with holes;
The outside of right case sidewall is provided with braces hole, right side (2b).
5. portable plastic seal packing chest according to claim 1, is characterized in that, bearing pin, handle and snap close are that stainless steel material is made.
6. portable plastic seal packing chest according to claim 1 and 2, is characterized in that, the outside of front case lid sidewall (21) is provided with reinforced rib (7);
The outside of back box lid sidewall (24) is provided with reinforced rib (7);
The outside of front wall box (31) is provided with reinforced rib (7);
The outside of rear box sidewall (34) is provided with reinforced rib (7).
7. portable plastic seal packing chest according to claim 1 and 2, is characterized in that, the bottom in front case lid sidewall outside is provided with the first projection, and the first projection is provided with vertical upper safe lockhole (4a);
The top in front wall box outside is provided with the second projection, and the second projection is provided with vertical lower safe lockhole (4b);
Described safe lockhole and lower safe lockhole form safe lockhole.
8. portable plastic seal packing chest according to claim 1, it is characterized in that, in the time that this packing chest carries out pile, in adjacent two packing chests, be positioned at positioning boss (9) outer wall of packing chest below and connect with the detent of packing chest (10) inwall above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813355.3U CN203601712U (en) | 2013-12-11 | 2013-12-11 | Portable plastic sealed packing case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813355.3U CN203601712U (en) | 2013-12-11 | 2013-12-11 | Portable plastic sealed packing case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203601712U true CN203601712U (en) | 2014-05-21 |
Family
ID=50714400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320813355.3U Expired - Lifetime CN203601712U (en) | 2013-12-11 | 2013-12-11 | Portable plastic sealed packing case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203601712U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106551485A (en) * | 2015-09-30 | 2017-04-05 | 株式会社拓普康 | It is portable to use case |
| CN107572110A (en) * | 2016-07-05 | 2018-01-12 | 重庆光能汽车配件有限公司 | A kind of plastic package box with protection type handle |
| CN107572118A (en) * | 2016-07-05 | 2018-01-12 | 重庆光能汽车配件有限公司 | A kind of highstrenghtpiston's packing case |
-
2013
- 2013-12-11 CN CN201320813355.3U patent/CN203601712U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106551485A (en) * | 2015-09-30 | 2017-04-05 | 株式会社拓普康 | It is portable to use case |
| CN106551485B (en) * | 2015-09-30 | 2019-04-12 | 株式会社拓普康 | It is portable to use case |
| CN107572110A (en) * | 2016-07-05 | 2018-01-12 | 重庆光能汽车配件有限公司 | A kind of plastic package box with protection type handle |
| CN107572118A (en) * | 2016-07-05 | 2018-01-12 | 重庆光能汽车配件有限公司 | A kind of highstrenghtpiston's packing case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 066004 No. 5, snow capped Road, Qinhuangdao economic and Technological Development Zone, Hebei Patentee after: QINHUANGDAO TIANQIN EQUIPMENT MANUFACTURING CO.,LTD. Address before: 066004, No. 5, snow capped Road, Qinhuangdao economic and Technological Development Zone, Qinhuangdao, Hebei Patentee before: QINHUANGDAO TIANQIN EQUIPMENT MANUFACTURING Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |
|
| CX01 | Expiry of patent term |