CN207825592U - A kind of blood bag Bag Making Machine and its film drawing device - Google Patents
A kind of blood bag Bag Making Machine and its film drawing device Download PDFInfo
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- CN207825592U CN207825592U CN201721926577.0U CN201721926577U CN207825592U CN 207825592 U CN207825592 U CN 207825592U CN 201721926577 U CN201721926577 U CN 201721926577U CN 207825592 U CN207825592 U CN 207825592U
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Abstract
The utility model discloses a kind of blood bag Bag Making Machine and its film drawing device, the film drawing device, including：Connecting shaft；It is connected with the connecting shaft, realizing Power Component that the connecting shaft is moved forward and backward；It is respectively arranged on position before, during and after the connecting shaft, with so that membrane material runs through and can compress the preceding hold-down cylinder, middle hold-down cylinder and rear hold-down cylinder of membrane material；Be respectively arranged on the preceding hold-down cylinder, the tight cylinder of medium pressure and it is described after hold-down cylinder three front and rear sides, with for membrane material runs through and can compress membrane material holding cylinder；To realize above-mentioned three during membrane, all the holding cylinder loosens, does not compress membrane material, and when above-mentioned three terminates membrane, and all the holding cylinder compresses membrane material, limits the position of membrane material.The invention also discloses a kind of blood bag Bag Making Machines including above-mentioned film drawing device.Above-mentioned film drawing device, it can be ensured that membrane material is in same plane, avoids result in the stretching of membrane material and droops.
Description
Technical field
The utility model is related to blood bag Bag Making Machine technical field, more particularly to a kind of blood bag Bag Making Machine and its film drawing device.
Background technology
It is well known that blood bag Bag Making Machine by the PVC film materials of volume two by solve film, hemisection, membrane, spot welding, punching, upper tube, open
Bag, high-frequency welding cut the processes such as bag, torn edges, output blood bag finished product are made.
PVC (polyvinyl chloride) material is the current common condensate for being used for manufacturing intravenous infusion bag film.PVC material sheet
Body is nontoxic, it is likely that chemically reacted with drug, and PVC itself is a brittle substance, therefore when being processed into soft bag
In order to make PVC become it is transparent, soft need to add 40% or so plasticizer DEHP.These plasticizer can penetrate into drug and be inhaled by human body
It receives.The accumulation of the DEHP of a large amount may result in girl's precocity and boy's physiological development is unsound.And PVC can be produced in burning
The very strong dioxin-like chemical of toxigenicity causes prodigious harm to environment.Therefore, the soft bag infusion of PVC material is tried not
It is used in paediatrics, women breast-feeding their children, pregnant woman should be also restricted using PVC soft bags, and U.S. FDA is in September, 2001 to containing
The medicine of DEHP has only made safety evaluation, and has sent out notice with regard to this in July, 2002, and notice is clearly expressed to be contained to using
Have the worry of DEHP softening agent PVC safeties and taken limitation, replacement policy.
Although currently, non-PVC large infusion film have chemical inertness it is good, it is nontoxic, without adhesive and plasticizer, can be 121
DEG C high-temperature sterilization, the advantages that vapor permeability is low, softness is tough and tensile, the transparency is good, low temperature resistance is good, heat sealable, unlike
The soft bag of PVC material will produce hydrogen chloride and dioxin etc. when burning, and on environment without influence, is easily processed, meets environmental protection and want
It asks, is the developing direction of venous transfusion, but blood bag is essentially all to be made of medical PVC material.The performance requirement ratio of blood bag
General infusion bag is high, its direct and contacting blood does not require nothing more than the wholesomeness generally packed, intensity, flexibility and seal etc.,
But also to have good biological property, blood compatibility, haemolysis, pyrogen and haemocyte survival rate will reach prescribed requirement, also
It should be able to high pressure resistant steam sterilizing etc..
China's in September, 2000 stopped the examination ＆ approval to creating PVC packed in flexible pouchy infusion production lines, and it is big to be phased out PVC
Infusion bag；Infusion apparatus, blood bag, a variety of interposing catheters still use PVC to make；Due to being not found in energy in comprehensive performance and price
The substitute material to contend with PVC, PVC still rule disposable infusion set market.Domestic infusion market master big for a long time
The non-fields PVC are concentrated on, and are started late in the fields PVC, and are influenced not make a breakthrough by national policy.
Utility model content
The purpose of this utility model is to provide a kind of blood bag Bag Making Machine and its film drawing device, it can be ensured that membrane material is in same
Plane avoids result in the stretching of membrane material and droops.
To achieve the above object, the utility model provides a kind of film drawing device applied to blood bag Bag Making Machine, including：
To through the connecting shaft of whole procedure positions of blood bag Bag Making Machine；
It is connected with the connecting shaft, realizing Power Component that the connecting shaft is moved forward and backward；
It is respectively arranged on position before, during and after the connecting shaft, with so that membrane material runs through and can compress the preceding compression of membrane material
Cylinder, middle hold-down cylinder and rear hold-down cylinder；When the preceding hold-down cylinder, the tight cylinder of medium pressure and it is described after hold-down cylinder three compress membrane material simultaneously
Under the back-and-forth motion of the connecting shaft can synchronizing moving, with realize membrane act；
Be respectively arranged on the preceding hold-down cylinder, the tight cylinder of medium pressure and it is described after hold-down cylinder three front and rear sides, with for
Membrane material runs through and can compress the holding cylinder of membrane material；To realize above-mentioned three during membrane, all the holding cylinders loosen,
Membrane material is not compressed, and when above-mentioned three terminates membrane, all the holding cylinder compresses membrane material, limits the position of membrane material.
Preferably,
It is additionally provided with to detect the preceding deflection correction sensor of membrane material bag wide direction position at the preceding hold-down cylinder, rectify a deviation before described
Sensor is connected with when the bag wide direction position of membrane material is in except preset range, the preceding correction to rectify a deviation to membrane material
Component；
It is additionally provided with to detect the middle deflection correction sensor of membrane material bag wide direction position, the middle correction at the tight cylinder of medium pressure
Sensor is connected with when the bag wide direction position of membrane material is in except preset range, the middle correction to rectify a deviation to membrane material
Component；
It is additionally provided with to detect the rear deflection correction sensor of membrane material bag wide direction position at hold-down cylinder after described, rectify a deviation after described
Sensor is connected with when the bag wide direction position of membrane material is in except preset range, the rear correction to rectify a deviation to membrane material
Component.
Preferably,
The preceding deflection correction sensor and the preceding correction component are located at the rear side of the preceding hold-down cylinder, and positioned at the preceding pressure
The front side of the rear holding cylinder of tight cylinder；
The middle deflection correction sensor and the middle correction component are located at the rear side of the tight cylinder of medium pressure, and are located at medium pressure
The front side of the rear holding cylinder of tight cylinder；
Deflection correction sensor and the rear correction component are located at the rear side of rear hold-down cylinder after described, and positioned at the rear hold-down cylinder
Rear holding cylinder front side.
Preferably, the preceding deflection correction sensor, the middle deflection correction sensor and the rear deflection correction sensor are infrared ray
Sensor or ultrasonic sensor.
Preferably, the connecting shaft is linearly arranged.
Preferably, the rear end of hold-down cylinder is additionally provided with the clamp hand for being installed on the connecting shaft after described, and the clamp hand can be with
The preceding hold-down cylinder, the tight cylinder of medium pressure compression membrane material synchronous with the hold-down cylinder three afterwards.
Preferably, the clamp hand is mounted at the connecting shaft.
Preferably, further include be connected with the clamp hand, to be acted when membrane at the end of by the clamp hand be detached from membrane material
Push away portion.
The utility model also provides a kind of blood bag Bag Making Machine, including film drawing device described in any one of the above embodiments.
Relative to above-mentioned background technology, the film drawing device provided by the utility model applied to blood bag Bag Making Machine, by dynamic
Moving synchronously for preceding hold-down cylinder, middle hold-down cylinder and rear hold-down cylinder can be realized with a connecting shaft in power component, has been greatly saved sky
Between and power, and preceding hold-down cylinder, middle hold-down cylinder and the rear hold-down cylinder moved synchronously reduces the wind that membrane material is impaired during membrane
Danger, and may insure that membrane material is in same plane, it avoids result in the stretching of membrane material and droops.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
The front view for the film drawing device applied to blood bag Bag Making Machine that Fig. 1 is provided by the utility model embodiment.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and specifically
The utility model is described in further detail for embodiment.
Referring to FIG. 1, the master for the film drawing device applied to blood bag Bag Making Machine that Fig. 1 is provided by the utility model embodiment
View.
A kind of film drawing device applied to blood bag Bag Making Machine provided by the utility model includes mainly connecting shaft, power packages
Part 6, preceding hold-down cylinder 2, middle hold-down cylinder 8, rear hold-down cylinder 13 and multiple holding cylinders；Wherein, connecting shaft is through blood bag Bag Making Machine
Hemisection, punching, upper tube, opens bag, high frequency, cuts the procedure positions such as bag at spot welding, and connecting shaft is linearly, is blood bag Bag Making Machine
Each process provide membrane material.
Wherein, preceding hold-down cylinder 2, middle hold-down cylinder 8 and rear hold-down cylinder 13 are in same plane, and current hold-down cylinder 2, middle compression
After cylinder 8 and 13 three of rear hold-down cylinder compress membrane material, membrane material is in same plane always, in horizontally disposed.
Power Component 6 is connected with connecting shaft, to provide power to connecting shaft, the back-and-forth motion of connecting shaft is realized, with complete
It is acted at membrane.Preceding hold-down cylinder 2, middle hold-down cylinder 8 and rear hold-down cylinder 13 is respectively set in position before, during and after connecting shaft, works as connection
When axis moves forward and backward under the action of Power Component 6, then preceding hold-down cylinder 2, middle hold-down cylinder 8, rear hold-down cylinder 13 are synchronous with connecting shaft
It moves forward and backward.
Preceding hold-down cylinder 2, middle hold-down cylinder 8 are similar with the shape design of rear hold-down cylinder 13, all have two briquettings up and down, up and down
It can be passed through for membrane material between two briquettings, upper and lower two briquettings are realized by piston cylinders such as cylinders and compressed, also will be upper and lower
Membrane material is compressed on direction, and moving forward and backward by connecting shaft, realizes the pulling to membrane material.
At the same time, the first holding cylinder 1 and second is respectively set in the front and rear sides of preceding hold-down cylinder 2 and keeps cylinder 5, in middle pressure
The front and rear sides of tight cylinder 8 are respectively set third and cylinder 7 and the 4th are kept to keep cylinder 11, are set respectively in the front and rear sides of rear hold-down cylinder 13
It sets the 5th holding cylinder 12 and the 6th and keeps cylinder 16；It is above-mentioned six holding cylinder shape design it is similar, and with above three hold-down cylinder
Shape design it is similar, can realize the compression to membrane material in above-below direction.
During membrane, above-mentioned six keep that cylinder loosens namely six keep cylinders not compress membrane material, and preceding hold-down cylinder
2, the compression membrane material synchronous with rear hold-down cylinder 13 of middle hold-down cylinder 8, and towards first direction (namely membrane side under the action of connecting shaft
To) mobile, six keep cylinder fixed relative to the position of scuffing of cylinder bore at this time, complete membrane；Current hold-down cylinder 2, middle hold-down cylinder
8, after rear hold-down cylinder 13 and connecting shaft move certain distance (being usually the distance of the width of two blood bags), preceding hold-down cylinder 2, middle pressure
The stopping synchronouss with connecting shaft of tight cylinder 8, rear hold-down cylinder 13, and preceding hold-down cylinder 2, middle hold-down cylinder 8 and rear hold-down cylinder 13 synchronize loosen, no
Compress membrane material；Then six keep cylinders to synchronize compressing membrane material, it is ensured that membrane material is in current location, preceding hold-down cylinder 2, middle hold-down cylinder 8,
Hold-down cylinder 13 is synchronous with connecting shaft afterwards moves towards second direction so that preceding hold-down cylinder 2, middle hold-down cylinder 8, rear hold-down cylinder 13 and company
Spindle returns to home position；Then six holding cylinders, which synchronize, loosens, and does not compress membrane material；Then hold-down cylinder 2, middle hold-down cylinder 8, rear pressure
Tight cylinder 13, which synchronizes, compresses membrane material, continuous membrane reciprocal with this.In above process, the position of six holding cylinders is fixed always not
Dynamic, preceding hold-down cylinder 2, middle hold-down cylinder 8, rear hold-down cylinder 13 and connecting shaft move reciprocatingly.
So set, the power of preceding hold-down cylinder 2, middle hold-down cylinder 8 and rear hold-down cylinder 13 is all provided by connecting shaft, greatly save
Space and cost have been saved, and can ensure preceding hold-down cylinder 2, middle hold-down cylinder 8 and 13 three of rear hold-down cylinder synchronous operation, and then has been reduced
Membrane material transportational process risk.
In order to ensure during membrane, the position of membrane material remains left and right horizontal, component of rectifying a deviation before can also being arranged
4, middle correction component 10 and rear correction component 15；And it is additionally provided with to detect membrane material bag wide direction position at preceding hold-down cylinder 2
Preceding deflection correction sensor 3, preceding deflection correction sensor 3 are connected with preceding correction component 4, to be in default when the bag wide direction position of membrane material
When except range, preceding correction component 4 can rectify a deviation to membrane material.Wherein, preceding deflection correction sensor 3 and preceding correction component 4 are located at
The rear side of preceding hold-down cylinder 2, and the front side of the rear holding cylinder 5 positioned at preceding hold-down cylinder 2.It is additionally provided with to detect film at middle hold-down cylinder 8
The middle deflection correction sensor 9 of material bag wide direction position, middle deflection correction sensor 9 is connected with middle correction component 10, as the wide side of the bag of membrane material
When being in except preset range to position, middle correction component 10 can rectify a deviation to membrane material；Middle deflection correction sensor 9 and middle correction
Component 10 is located at the rear side of middle hold-down cylinder 8, and the front side of the rear holding cylinder 11 positioned at middle hold-down cylinder 8.It is also set at hold-down cylinder 13 afterwards
Having to detect the rear deflection correction sensor 14 of membrane material bag wide direction position, rear component 15 of rectifying a deviation is connected with rear deflection correction sensor 14,
When the bag wide direction position of membrane material is in except preset range, rear component 15 of rectifying a deviation can rectify a deviation to membrane material；Wherein, after
Deflection correction sensor 14 and rear correction component 15 are located at the rear side of rear hold-down cylinder 13, and positioned at the rear holding cylinder 16 of rear hold-down cylinder 13
Front side；Wherein, deflection correction sensor is arranged as possible in correction component accessories, and specific location is set according to actual conditions.
In simple terms, preceding correction component 4, middle correction component 10 and rear correction component 15 respectively different location to membrane material into
Row correction, and be preferably provided on rear side of different hold-down cylinders (preceding hold-down cylinder 2, middle hold-down cylinder 8, rear hold-down cylinder 13), and it is located at the pressure
Rear side corresponding to tight cylinder is kept before cylinder；Wherein, deflection correction sensor be arranged as possible correction component accessories, specific location according to
Actual conditions are set；First holding cylinder 1, preceding hold-down cylinder 2, preceding deflection correction sensor 3, preceding correction component 4 and rear holding cylinder 5 can be seen
It is first group of membrane module to do；Third keeps cylinder 7, middle hold-down cylinder 8, middle deflection correction sensor 9, middle correction component 10 and the 4th to keep
Cylinder 11 can regard second group of membrane module as；5th keeps cylinder 12, rear hold-down cylinder 13, rear deflection correction sensor 14, rear correcting set
Part 15 and the 6th keeps cylinder 16 that can regard that third group membrane module, the effect of three groups of membrane modules and set-up mode are similar as
Seemingly；Preceding correction component 4, middle correction component 10 are similar with the rear correction shape design of component 15；Meanwhile preceding deflection correction sensor 3, in
Deflection correction sensor 9 is similar with the shape design of rear deflection correction sensor 14, and acts on identical.Preceding correction component 4, middle correction component 10
Can be to adjust the cylinder of membrane material bag wide direction position, preceding deflection correction sensor 3, middle deflection correction sensor with rear correction component 15
9 and rear deflection correction sensor 14 can be infrared sensor or ultrasonic sensor etc..
Pass through component 4 of rectifying a deviation before setting, middle correction component 10 and rear correction component 15, it can be ensured that after each membrane,
Bag wide direction position is carried out to membrane material to adjust, to ensure that membrane is reliable；Since membrane material herein refers in particular to PVC film material, PVC film
Material is soft and relatively more heavy, it is easy to lead to the stretching of membrane material and droop, it is necessary to all process steps (hemisection, spot welding, the punching between membrane
Hole, high frequency cut bag etc.) support is taken, each station position otherwise can be caused uncertain, need to repeat to adjust.Especially exist
Disengaging high frequency is accomplished to be seamlessly connected as possible, therefore, to assure that membrane material is on same supporting surface.Therefore above-mentioned three groups of hold-down cylinders are used
(preceding hold-down cylinder 2, middle hold-down cylinder 8, rear hold-down cylinder 13) and correction component, can significantly improve the yield rate of blood bag.
Due to cutting the special construction of bag, clamp hand 17 can also be set, clamp hand 17 is connected with scuffing of cylinder bore, is set to rear hold-down cylinder 13
Rear end, clamp hand 17, preceding hold-down cylinder 2, middle hold-down cylinder 8 and rear hold-down cylinder 13 can synchronous compression membrane material, and it is real under the action of scuffing of cylinder bore
Existing membrane process；The specific set-up mode of clamp hand 17 can be similar with above-mentioned three groups of hold-down cylinders；Between clamp hand 17 and connecting shaft
It could be provided as removably connecting, and the disengaging membrane material of clamp hand 17 can be realized by pushing away portion 18.Wherein, pushing away portion 18 can be with
For piston cylinders such as cylinders, to ensure that clamp hand 17 is detached from membrane material.
Membrane is carried out so set, being synchronized using clamp hand 17, can both get around and cut a bag mold, moreover it is possible to be convenient for changing specification.
Clamp hand 17 can complete membrane action by the way that power part and the cooperation of clamp hand enforcement division is clamped, and clamp hand enforcement division reaches folder film location simultaneously
Step up, then transported forward with membrane, when in-position cooperation cut bag action, clamp hand enforcement division unclamps and with drawing after the completion
Film returns to home position together.Fast mounting structure may be used in clamp hand 17, switches different clamp hands for different specifications, only needs
17 manual rotation button of clamp hand is removed for 90 degree, any tool need not be used, greatly reduce and operated in toilet
Safety；The installation for changing specification position is not had to concern when installation, locating pin type mounting means may be used, and clamp hand 17 is fixed yet
In connecting shaft, ensure the accuracy of installation, not only facilitated, but also safety.
A kind of blood bag Bag Making Machine with film drawing device provided by the utility model, including above-mentioned specific embodiment are retouched
The film drawing device stated；The other parts of blood bag Bag Making Machine are referred to the prior art, not reinflated herein.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Blood bag Bag Making Machine provided by the utility model and its film drawing device are described in detail above.It answers herein
The principles of the present invention and embodiment are expounded with specific case, the explanation of above example is only intended to sides
Assistant solves the method and its core concept of the utility model.It should be pointed out that for those skilled in the art,
Without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these improvement
It is also fallen into the protection domain of the utility model claims with modification.
Claims (9)
1. a kind of film drawing device applied to blood bag Bag Making Machine, which is characterized in that including：
To through the hemisection of blood bag Bag Making Machine, spot welding, punching, upper tube, open bag, high frequency, the company for cutting the procedure positions such as bag
Spindle；
It is connected with the connecting shaft, realizing Power Component (6) that the connecting shaft is moved forward and backward；
It is respectively arranged on position before, during and after the connecting shaft, with so that membrane material runs through and can compress the preceding hold-down cylinder of membrane material
(2), middle hold-down cylinder (8) and rear hold-down cylinder (13)；When the preceding hold-down cylinder (2), the tight cylinder of medium pressure (8) and it is described after hold-down cylinder
(13) three compress membrane material and under the back-and-forth motion of the connecting shaft can synchronizing moving, with realize membrane act；
Be respectively arranged on the preceding hold-down cylinder (2), the tight cylinder of medium pressure (8) and it is described after hold-down cylinder (13) three front and rear sides,
With so that membrane material runs through and can compress the holding cylinder of membrane material；To realize above-mentioned three during membrane, all holdings
Cylinder loosens, does not compress membrane material, and when above-mentioned three terminates membrane, and all the holding cylinder compresses membrane material, limits the position of membrane material
It sets.
2. film drawing device according to claim 1, which is characterized in that
It is additionally provided with to detect the preceding deflection correction sensor (3) of membrane material bag wide direction position at the preceding hold-down cylinder (2), be entangled before described
Inclined sensor (3) is connected with when the bag wide direction position of membrane material is in except preset range, to what is rectified a deviation to membrane material
Preceding correction component (4)；
It is additionally provided with to detect the middle deflection correction sensor (9) of membrane material bag wide direction position at the tight cylinder of medium pressure (8), be entangled in described
Inclined sensor (9) is connected with when the bag wide direction position of membrane material is in except preset range, to what is rectified a deviation to membrane material
Middle correction component (10)；
It is additionally provided with to detect the rear deflection correction sensor (14) of membrane material bag wide direction position at hold-down cylinder (13) after described, after described
Deflection correction sensor (14) is connected with when the bag wide direction position of membrane material is in except preset range, rectifying a deviation to membrane material
Rear correction component (15).
3. film drawing device according to claim 2, which is characterized in that
The preceding deflection correction sensor (3) and the preceding correction component (4) are located at the rear side of the preceding hold-down cylinder (2), and are located at institute
State the front side of the rear holding cylinder (5) of preceding hold-down cylinder (2)；
The middle deflection correction sensor (9) and the middle correction component (10) are located at the rear side of the tight cylinder of medium pressure (8), and are located at institute
State the front side of the rear holding cylinder (11) of middle hold-down cylinder (8)；
Deflection correction sensor (14) and the rear correction component (15) are located at the rear side of rear hold-down cylinder (13) after described, and positioned at described
The front side of the rear holding cylinder (16) of hold-down cylinder (13) afterwards.
4. film drawing device according to claim 3, which is characterized in that the preceding deflection correction sensor (3), the middle correction pass
Sensor (9) and the rear deflection correction sensor (14) are infrared sensor or ultrasonic sensor.
5. film drawing device according to claim 4, which is characterized in that the connecting shaft is linearly arranged.
6. according to the film drawing device described in Claims 1 to 5 any one, which is characterized in that after described after hold-down cylinder (13)
End is additionally provided with the clamp hand (17) for being installed on the connecting shaft, and the clamp hand (17) can be with the preceding hold-down cylinder (2), medium pressure
Tight cylinder (8) compression membrane material synchronous with hold-down cylinder (13) three afterwards.
7. film drawing device according to claim 6, which is characterized in that the clamp hand (17) is mounted at the company
Spindle.
8. film drawing device according to claim 6, which is characterized in that further include being connected with the clamp hand (17), working as
The clamp hand (17) disengaging membrane material is pushed away into portion (18) at the end of membrane action.
9. a kind of blood bag Bag Making Machine, which is characterized in that including such as claim 1 to 8 any one of them film drawing device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721926577.0U CN207825592U (en) | 2017-12-29 | 2017-12-29 | A kind of blood bag Bag Making Machine and its film drawing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721926577.0U CN207825592U (en) | 2017-12-29 | 2017-12-29 | A kind of blood bag Bag Making Machine and its film drawing device |
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| CN207825592U true CN207825592U (en) | 2018-09-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215335A (en) * | 2017-12-29 | 2018-06-29 | 山东新华医疗器械股份有限公司 | A kind of blood bag Bag Making Machine and its film drawing device |
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2017
- 2017-12-29 CN CN201721926577.0U patent/CN207825592U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215335A (en) * | 2017-12-29 | 2018-06-29 | 山东新华医疗器械股份有限公司 | A kind of blood bag Bag Making Machine and its film drawing device |
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