CN105883165A - Specimen bag and preparation technology thereof - Google Patents
Specimen bag and preparation technology thereof Download PDFInfo
- Publication number
- CN105883165A CN105883165A CN201610401841.2A CN201610401841A CN105883165A CN 105883165 A CN105883165 A CN 105883165A CN 201610401841 A CN201610401841 A CN 201610401841A CN 105883165 A CN105883165 A CN 105883165A
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- Prior art keywords
- bag
- plastic foil
- specimen
- bar shaped
- specimen bag
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/001—Blocks, stacks or like assemblies of bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/004—Information or decoration elements, e.g. level indicators, detachable tabs or coupons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/14—Suspension means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention discloses a specimen bag. The specimen bag comprises a bag body and a bag bottom, and the bag body comprises first plastic film and second plastic film, wherein the left side and the right side of the first plastic film and the left side and the right side of the second plastic film are connected through edge sealing lines in a sealing mode; the second plastic film is provided with an outer interlayer used for containing articles in an inserted mode; the bag bottom, the first plastic film and the second plastic film are of an integral structure, the bag bottom is inwards folded into the bag when the specimen bag is not used and falls to form a rectangle to enable the specimen bag to be capable of vertically standing when the specimen bag is used, and inner support portions and outer support portions are formed on the left side and the right side of the rectangle, so that the vertically-standing stability of the specimen bag is guaranteed. The invention further discloses a preparation technology of the specimen bag. The preparation technology is completed on an assembly line, continuous production is achieved, no pause is generated in production, therefore, not only is the production efficiency improved, but also the production cost is reduced, and the preparation technology is suitable for large-scale production and application.
Description
Technical field
The present invention relates to a kind of medical use container, particularly relate to a kind of specimen bag.
Background technology
In medical research and clinical position, it is often necessary to use various specimen
Bottle preserves specimen, and traditional Specimen bottle is to use vial mostly, due to glass
Bottle own wt is big, and after adding impregnating fluid and specimen, weight is bigger, and at transport and pendulum
During putting more difficulty, be easily broken again, therefore, using plastic bag as specimen bag
Gradually favored by people.
Chinese patent CN 202006922 U discloses a kind of pathological specimen bag fro, described disease
Reason specimen bag includes transparent plastic bag, adhesive sticker and sealing strip, wherein, moulds transparent
Pocket top edge is provided with transparent plastic sheet, and transparent plastic sheet edge is provided with adhesive tape.Described
Pathological specimen bag fro simple in construction, which employs transparent plastic sheet, it is possible to avoid adhesive sticker
The handwriting is blurred for paper, but, when sample to be assayed is put into bag, described pathology mark
This bag can not be erect, and affects it and uses, can cause the spilling of sample to be assayed time serious,
Pollute.
Chinese patent 200820189058.5 discloses one can standing posture pathological operation specimen
Bag, described specimen bag can be stood, easy to use, but, the table of described specimen bag
Layer and bottom are individually to prepare, and are then passed through hot pressing integral, i.e. bag,
So, its poor sealing, and, preparation technology is extremely complex, it is achieved not whole
Body line production.
Summary of the invention
In order to solve the problems referred to above, present inventor has performed and study with keen determination, design one
Planting specimen bag, described specimen bag includes outside sandwich, is used for inserting article, is not using
Time, fold into from bottom to top in bag at the bottom of the bag of described specimen bag, in use, under bag
Fall to forming rectangle, be respectively formed integral support portion and outer support portion in the rectangle left and right sides, protect
Demonstrate,prove the firm upright of bag, it is to avoid sample or the spilling of impregnating fluid in bag, and,
Opening part at specimen bag offers lifting hole(eyelet), facilitates fetching or hanging of specimen bag, institute
State specimen and can complete with streamline man-hour adding, it is not necessary to individually separate operation, save
Processing cost and time, it is suitable for large-scale production, thus completes the present invention.
One aspect of the present invention provides a kind of specimen bag, specific as follows:
(1) a kind of specimen bag, wherein, described specimen bag includes at the bottom of bag and bag 3,
Bag includes the first plastic foil 1 and the second plastic foil 2 that the left and right sides is touched, both sides are close
Connect part constitute banding line 4, wherein,
On the plastic film, the preferably second plastic foil 2 can be provided with for inserting article
Outside sandwich 21,
At the bottom of described bag 3 and first plastic foil (1) and second plastic foil (2) bodily form
Become；
(2) according to the specimen bag described in above-mentioned (1), wherein,
The bag end 3, folds in bag from bottom to top, and invagination part is positioned at the first plastic foil 1 and the
It is affixed between two plastic foils 2 and with bag, folds into the left and right sides and first plastics of part
The left and right sides of film the 1, second plastic foil 2 and outside sandwich 21 is touched by banding line 4；With
/ or
On the plastic film, the preferably first plastic foil 1 can print the label 11 that can write；
(3) according to the specimen bag described in above-mentioned (1) or (2), wherein,
The lateral length of described outside sandwich 21 equal to the lateral length of specimen bag, described outside
The longitudinally height of interlayer 21 is vertical less than the longitudinally height, preferably specimen bag of specimen bag
To the 1/3～2/3 of height,
The bottom side of outside sandwich 21 connects with the bottom side of the second plastic foil 2, outside sandwich 21
The left and right sides connects with the left and right sides of the second plastic foil 2；And/or
The width of described banding line 4 is 0.5～2.5mm, and preferably 1～2mm are more excellent
Elect 1.5mm as；
(4) according to the specimen bag above-mentioned (1) to one of (3) Suo Shu, wherein,
Bag top includes opening 5, is provided with sealing strip 51 at opening 5, described close
Strip of paper used for sealing 51 is made up of the sealing tongue cooperated and sealed groove, seals tongue and close
Envelope groove is respectively arranged on the inwall of the first plastic foil 1 and the second plastic foil 2, optionally
Ground, is provided with compression push-and-pull switch on sealing strip 51, and/or
At opening 5, sealing strip 51 is opened above lifting hole(eyelet) 52,
At opening 5, sealing strip 51 is provided above salient line 53；
(5) input specimen according to the specimen bag described in above-mentioned (4), wherein, is used
During liquid, bag struts, and at the bottom of bag, 3 support downwards from the peak folding into the part left and right sides,
Wherein, the middle part pressurized of invagination part at the bottom of bag sinks to opening formation rectangle 31, invagination portion
The peak of point left and right sides respectively with the right and left Nature Link of rectangle 31, formed
Integral support portion 61, at the bottom of remaining bag not supported, invagination part is still affixed with bag, is formed
Outer support portion 62, wherein,
The length of described rectangle 31 is less than the length of sealing strip 51,
Triangular pyramid space is formed between integral support portion 61 and outer support portion 62；
(6) according to the specimen bag above-mentioned (1) to one of (5) Suo Shu, wherein,
The opening 5 of described specimen bag is formed as follows: pour the first material into first extrusion
Machine carries out blown film roll-in, is formed with sealing tongue and the bar shaped cylinder of sealed groove
Body, is cut apart with a knife or scissors by cutting means (such as blade) in the middle of tongue and sealed groove sealing
Forming opening 5, described sealing tongue and sealed groove cooperate at composition opening 5
Sealing strip 51；And/or
At the bottom of the bag of described specimen bag, 3 are formed as follows: while forming opening 5, use folding
Enter device (such as baffle plate or the covering of the fan of rotation) by the bar shaped cylinder side relative with opening 5
Inwardly fold into, fold into part and formed at the bottom of bar shaped disjunctor bag, the most then by earnestly with
And extrude banding line 4 at earnestly place, thus formed at the bottom of independent bag；
Another aspect of the present invention provides the preparation technology of a kind of above-mentioned specimen bag, specifically
As follows:
(7) a kind of above-mentioned (1) preparation work to the specimen bag one of (6) Suo Shu
Skill, wherein, described preparation technology comprises the following steps:
Step 1, blown film are also cast: poured in the first extruder by the first material and carry out
Blown film and/or roll-in, formed with sealing tongue and the bar shaped cylinder of sealed groove；?
Seal and pass through cutting means (such as blade) in the middle of tongue and sealed groove by bar shaped cylinder
Cut apart with a knife or scissors formation opening 5；Use folding device (such as baffle plate or the covering of the fan of rotation) by bar shaped
The side that cylinder is relative with opening 5 inwardly folds into, and folds into part and forms bar shaped disjunctor bag
The end, form bar shaped disjunctor the first plastic foil in the both sides of invagination part respectively and bar shaped connects
Body the second plastic foil, meanwhile, pours into the second material in the second extruder and is cast,
Form casting films,
Step 2, hot pressing form outside sandwich: carry out cold by the bar shaped cylinder after folding into
But, cross roller, then under draw, the casting films formed through curtain coating is pressed on bar
On second plastic foil of shape disjunctor, casting films is entered near the side at the bottom of bar shaped disjunctor bag
Row hot pressing, forms bar shaped disjunctor outside sandwich,
Step 3, earnestly: bar shaped disjunctor specimen bag is carried out earnestly, and is earnestly locating
Extrude banding line 4, obtain specimen bag；
(8) according to the preparation technology described in above-mentioned (7), wherein, in step 1,
Described first material includes Low Density Polyethylene, linear low density polyethylene, resists
Oxygen agent, plasticizer, optionally, also include antistatic additive and impact modifying agent, and/
Or
Described second material includes polypropylene, polyethylene, antioxidant, plasticizer, optionally
Ground, also includes antistatic additive and impact modifying agent, and/or
(9) according to the preparation technology described in above-mentioned (7) or (8), wherein, institute
Stating the first extruder and use special die orifice, described special die orifice includes:
Blown film seam 7, is used for blowing out cylinder,
Seal tongue seam 8, for blowing out the sealing tongue of sealing strip 51,
Sealed groove seam 9, for blowing out the sealed groove of sealing strip 51, and
Protruding seam 10, is used for blowing out salient line 53；
Preferably, described sealing tongue seam 8 connects with blown film seam 7 with sealed groove seam 9,
And/or
Preferably, described protruding seam 10 is two or more, preferably 4～12, more
It is preferably 6～10, such as 8；
(10) according to the preparation technology above-mentioned (7) to one of (9) Suo Shu, wherein,
Step 2 and between can carry out print steps: on bar shaped disjunctor plastic foil,
Printed label on preferably first plastic foil, the most first one layer of white background of printing, then exists
The label of process black on white background, form the label that can write, and/or
Punch out step can be carried out: tongue and sealed groove will be sealed between step 2 and 3
Close button, punch above sealing strip 51, form lifting hole(eyelet) 52；And/or
In step 3, carry out earnestly, obtaining along with the direction folding into sections transverse
Banding line 4 be perpendicular to bag at the bottom of 3.
Accompanying drawing explanation
Fig. 1 illustrates structural representation when described specimen bag does not uses；
Fig. 2 illustrates front view when described specimen bag does not uses；
Fig. 3 illustrates rearview when described specimen bag does not uses；
Fig. 4 illustrates structural representation when described specimen bag uses；
Fig. 5 illustrates left view when described specimen bag uses；
Fig. 6 illustrates upward view when described specimen bag uses；
Fig. 7 illustrate Fig. 6 A-A to sectional view；
Fig. 8 illustrates the bottom section figure of Fig. 4；
Fig. 9 illustrates the die orifice structure of the first extruder；
Figure 10 illustrates the partial enlarged drawing of Fig. 7.
Drawing reference numeral illustrates:
1-the first plastic foil
The label that 11-can write
2-the second plastic foil
21-outside sandwich
At the bottom of 3-bag
31-rectangle
4-banding line
5-opening
51-sealing strip
52-lifting hole(eyelet)
53-salient line
61-integral support portion
62-outer support portion
63-space
7-blown film stitches
8-seals tongue seam
9-sealed groove stitches
10-projection is stitched
Detailed description of the invention
Below by accompanying drawing, the present invention is described in detail, the feature of the present invention and excellent
Point will become more apparent from, clearly along with these explanations.
Wherein, although the various aspects of embodiment shown in the drawings, but unless
Particularly point out, it is not necessary to accompanying drawing drawn to scale.
An object of the present invention is to provide a kind of specimen bag, as shown in Figures 1 to 3,
Described specimen bag includes at the bottom of bag and bag 3, and bag includes that the left and right sides touches first moulds
Material film 1 and the second plastic foil 2, wherein, the first plastic foil 1 and the second plastic foil 2 are respectively
The both sides of 3 at the bottom of being positioned at bag, and bag both sides contiguity part constitutes banding line 4, carries out even
Connect sealing.As shown in Figures 1 to 3, under being not switched on state, the first plastic foil 1 and second
Plastic foil 2 overlaps.
According to one of the present invention preferred embodiment, as in figure 2 it is shown, mould first
It is printed on, on material film 1, the label 11 that can write.
In further preferred embodiment, the label 11 that can write is black for white background
Word.
In the most preferred embodiment, the label 11 that can write is used
Ink and dilute adjustment are environment-friendly products.
Wherein, the label 11 can write is for recording the related description of contained specimen, example
As patient's title, age, admission number, specimen title, specimen remove time etc..
According to one of the present invention preferred embodiment, as it is shown on figure 3, at plastic foil
On, on the second plastic foil, preferably it is provided with outside sandwich 21.
In further preferred embodiment, the lateral length etc. of described outside sandwich 21
In the lateral length of specimen bag, the longitudinally height of described outside sandwich 21 is less than specimen bag
Longitudinally height.
In the most preferred embodiment, the longitudinally height of described outside sandwich 21
For the longitudinally height of specimen bag 1/3～2/3.
Wherein, the purpose of outside sandwich 21 is for inserting article, and such as case list, makes
Medical personnel are easy to use, or can understand the situation of this patient in time, in order to
The state of an illness is analyzed accurately and judges.
According to one of the present invention preferred embodiment, the bottom side of outside sandwich 21 and second
The bottom side of plastic foil 2 connects.
In further preferred embodiment, the left and right sides of outside sandwich 21 and second
The left and right sides of plastic foil connects.
In the most preferred embodiment, the left and right sides of outside sandwich 21 and the
The left and right sides of two plastic foils is connected by banding line 4.
Wherein, outside sandwich 21 is arranged on the bottom of specimen bag, because if being arranged on mark
The top of this bag, after putting into article, is likely to result in mark under the action of gravity of article
This bag skews, but, outside sandwich is arranged on bottom and then will not skew phenomenon.
According to one of the present invention preferred embodiment, at the bottom of described bag with the first plastic foil
1 and second plastic foil 2 be integrally formed, as it is shown in figure 1,3 roll over from bottom to top at the bottom of described bag
Enter in bag, formed and fold into part (folding into part at the bottom of bag).
In further preferred embodiment, described invagination part is positioned at the first plastics
Between film 1 and the second plastic foil 2, and it is affixed with bag.
In the most preferred embodiment, fold into the left and right sides and the of part
Banding line 4 is passed through in the left and right sides of one plastic foil the 1, second plastic foil 2 and outside sandwich 21
Contiguity.
Wherein, the first plastic foil 1 is attached close with the second plastic foil 2 by banding line 4
Envelope, and described banding line 4 be perpendicular to bag at the bottom of 3.
According to one of the present invention preferred embodiment, the width of described banding line 4 is
0.5～2.5mm.
In further preferred embodiment, the width of described banding line 4 is 1～2
mm。
In the most preferred embodiment, the width of described banding line 4 is 1.5
mm。
Wherein, the width of control banding line, 0.5～2.5mm, had both maintained preferably
Outward appearance, in turn ensure that the sealing at specimen bag edge, effectively prevents transport and used
Extruding in journey makes banding line ftracture, and causes leakage and the damage of specimen.
According to one of the present invention preferred embodiment, as it is shown in figure 1, described bag
Top includes opening 5, is provided with sealing strip 51 at opening 5.
In further preferred embodiment, described sealing strip 51 is by cooperating
Seal tongue and sealed groove composition, seal tongue and sealed groove and be respectively arranged at the
On the inwall of one plastic foil 1 and the second plastic foil 2, optionally, sealing strip 51 sets
It is equipped with compression push-and-pull switch.
In the most preferred embodiment, described sealing strip 51 is one, two
Individual or multiple, preferably two.
Wherein, the number of sealing strip 51 is unrestricted, and the most sealings of number are the best,
But, correspondingly, inconvenient when cost can strengthen and use, therefore, close with two
Strip of paper used for sealing is excellent.Meanwhile, compress push-and-pull switch be adapted to assist in user compress sealing strip or
Convenient unlatching sealing strip.
According to one of the present invention preferred embodiment, as it is shown in figure 1, at opening 5
Sealing strip 51 is opened above lifting hole(eyelet) 52.
In further preferred embodiment, described lifting hole(eyelet) 52 is one or more.
In the most preferred embodiment, when lifting hole(eyelet) is one, it is positioned at
On bag longitudinal center line, when lifting hole(eyelet) is multiple, multiple lifting hole(eyelet)s are axial around bag
Centrage is symmetrical.
Wherein, the purpose of lifting hole(eyelet) is easy for hanging.
According to one of the present invention preferred embodiment, as shown in Figures 1 to 3, at opening 5
Place's sealing strip 51 is provided above salient line 53.
In further preferred embodiment, as shown in Figures 2 and 3, mould first
Material film 1 and the upper end of the second plastic foil 2 are respectively arranged with a plurality of salient line, such as three,
Article four, or five, preferably four.
Wherein, the effect of salient line is easy for opening specimen bag, because, at opening part,
First plastic foil and the second plastic foil can fit together due to electrostatic interaction, are difficult to point
Opening, spattering outside the impregnating fluid or specimen that may result in specimen bag if firmly tearing, right
Internal specimen and external environment condition all can pollute.But, opening part arrange convex
Initial line prevents the first plastic foil and the laminating of the second plastic foil, it is easy to open specimen bag.
According to one of the present invention preferred embodiment, described opening 5 is formed as follows:
First material is poured in blow moulding machine and carry out blowing roll-in, formed with sealing tongue
With the bar shaped cylinder of sealed groove, sealing in the middle of tongue and sealed groove by cutting
Device cuts apart with a knife or scissors formation opening.
In further preferred embodiment, described sealing tongue and sealed groove phase
Interworking is combined into the sealing strip 51 at opening 5.
In the most preferred embodiment, described Scissoring device is blade.
According to one of the present invention preferred embodiment, as shown in Fig. 4～8, use and throw
When entering specimen fluids, bag struts, and forms three-dimensional specimen bag wide at the top and narrow at the bottom.
At further preferred embodiment, as shown in Fig. 4, Fig. 6 and Fig. 8, use
When putting into specimen fluids, the middle part pressurized of invagination part at the bottom of bag sinks to opening formation rectangle 31,
As shown in Fig. 4, Fig. 6 and Fig. 7, fold into the part left and right sides peak respectively with rectangle
The right and left Nature Link of 31, forms integral support portion 61, such as Fig. 4, Fig. 6 and Fig. 5
Shown in, at the bottom of remaining bag not supported, invagination part is still affixed with bag, forms outer support
Portion 62.
In the most preferred embodiment, the length of described rectangle is less than sealing
The length of bar 51.
Wherein, when using input specimen fluids, the rectangle of bottom is for realizing specimen bag
Uprightly, integral support portion and outer support portion for realize specimen bag upright time stability.
Therefore, specimen bag, when upright, is not that the rectangle at the bottom of by bag is as whole weight
Bearing part, its integral support portion also having rectangle both sides and outer support portion assist at the bottom of bag
Uprightly so that it is more firm time upright, it is difficult to skew, and more aesthetically pleasing.
According to one of the present invention preferred embodiment, described outer support portion 62 is double-deck
Structure.
In further preferred embodiment, described outer support portion 62 includes outer support
Portion's internal layer and outer support portion outer layer.
Wherein, when bag struts, formed in outer support portion at the bottom of remaining bag not supported
The bag being affixed at the bottom of layer, with remaining bag not supported forms outer support portion outer layer,
In the most preferred embodiment, described outer support portion internal layer and outer
Support part outer layer is affixed.
Wherein, its supporting role consolidated by the double-decker in outer support portion, is more beneficial for
It assists specimen bag firm upright.
According to one of the present invention preferred embodiment, when using input specimen fluids, as
Shown in Fig. 8, between integral support portion 61 and outer support portion 62, form space.
In further preferred embodiment, described space is triangular pyramid.
Wherein, the base in outer support portion is not overlap with the left and right side of rectangle,
Having at regular intervals, illustrate, outer support portion is the equal of in the left and right at the bottom of bag being formed
The support that both sides are installed, is fixedly supported the upright of specimen bag further.Meanwhile,
The space formed also gives the aesthetic feeling that specimen bag is certain.
According to one of the present invention preferred embodiment, during as it is shown in figure 5, use,
First plastic foil 1 is softened with the second plastic foil 2, the left and right sides formation etc. of specimen bag
Lumbar triangle shape.
In further preferred embodiment, described isosceles triangle is by the first plastics
Film 11 and the second plastic foil 12 form.
Be structure as a whole with bag at the bottom of the bag of specimen bag provided by the present invention, at the bottom of bag with
Bag is Nature Link, and therefore, in use, tear can never occur in bag bottom
Phenomenon.And between the first plastic foil of bag and the second plastic foil by width be
The banding line contiguity of 0.5～2.5mm, this wider banding line ensure that about specimen bag
The sealing of both sides (i.e. at banding line), will not tear in use.Therefore,
Specimen bag provided by the present invention has the sealing of height and uses intensity.
According to one of the present invention preferred embodiment, 3 formation as follows at the bottom of described bag:
While forming opening 5, use folding device by relative with opening 5 for bar shaped cylinder one
Fold in lateral, fold into part and formed at the bottom of bar shaped disjunctor bag.
In further preferred embodiment, by earnestly and extruding earnestly locating
Banding line 4, thus formed at the bottom of independent bag.
In the most preferred embodiment, described folding device use baffle plate or
The covering of the fan rotated.
The two of the purpose of the present invention are to provide the preparation technology of a kind of above-mentioned specimen bag,
This preparation technology comprises the following steps:
Step 1, blown film are also cast: poured in the first extruder by the first material and carry out
Blown film and/or roll-in, formed with sealing tongue and sealed groove bar shaped cylinder；Close
By cutting means (such as blade), bar shaped cylinder is cut out in the middle of envelope tongue and sealed groove
Open form becomes opening 5；Use folding device (such as baffle plate or the covering of the fan of rotation) by bar shaped cylinder
The side that body is relative with opening 5 inwardly folds into, and folds into part and is formed at the bottom of bar shaped disjunctor bag,
Bar shaped disjunctor the first plastic foil and bar shaped disjunctor is formed respectively in the both sides of invagination part
Two plastic foils；Meanwhile, the second material is poured in the second extruder and is cast, shape
Become casting films.
According to one of the present invention preferred embodiment, described first material includes low close
Degree polyethylene (LDPE), linear low density polyethylene (LLDPE), antioxidant, increasing
Mould agent.
In further preferred embodiment, described first material the most also includes
Antistatic additive and impact modifying agent.
Wherein, the material of specimen bag is extremely important, and it directly affects the use of specimen bag
Quality, Low Density Polyethylene used by the present invention and linear low density polyethylene all use into
Gate material, to ensure the use quality of specimen bag.
According to one of the present invention preferred embodiment, described second material includes poly-third
Alkene/polyethylene, antioxidant, plasticizer, optionally, also include antistatic additive and impact
Modifying agent.
Wherein, the selection to the second material does not has particular/special requirement, as long as acquisition can be cast
?.
According to one of the present invention preferred embodiment, in step 1, cut described in
Device is blade.
According to one of the present invention preferred embodiment, in step 1, described invagination
Device is the covering of the fan of baffle plate or rotation.
In further preferred embodiment, the thickness of described baffle plate is 0.1～1
mm。
Wherein, baffle plate should not be the thickest, it should the thinnest, but can not cutting edge, otherwise
Cylinder can be scratched.
According to one of the present invention preferred embodiment, in step 1, casting films
Thickness is 0.01～1mm, preferably 0.1～0.5mm.
According to one of the present invention preferred embodiment, described first extruder uses spy
Molding mouth, described special die orifice can be by the sealing tongue of sealing strip 51 and sealed groove
And the salient line 53 of opening part obtains with cylinder blown film together.
In further preferred embodiment, as shown in Fig. 7～Fig. 8, described special
Die orifice includes blown film seam 7, seals tongue seam 8, sealed groove seam 9 and protruding seam 10.
Wherein, described blown film seam is used for blowing out cylinder, i.e. bag in final products,
Described sealing tongue seam is for blowing out the sealing tongue of sealing strip, and described sealed groove stitches
For blowing out the sealed groove of sealing strip, described protruding seam is used for blowing out salient line.
The most preferred embodiment, described sealing tongue seam 8, seal recessed
Groove peak 9 all connects, so with blown film seam 7 with protruding seam 10, it is simple to the first material passes through
Blown film seam flows into and seals tongue seam 8, sealed groove seam 9 and protruding seam 10, with shape respectively
Become to seal tongue, sealed groove and salient line.
One, sealing strip and bag are integrally machined out, rather than the later stage is through overheated
Overlaying, therefore its stationarity is preferable, and has saved the production time；Its two, pass through
Employing import and properly mixed LDPE Yu LLDPE is raw material, it is ensured that sealing strip
Quality and sealing.
According to one of the present invention preferred embodiment, as shown in Figure 9, Figure 10, institute
State protruding seam 10 to be arranged between sealing tongue seam 8 and sealed groove seam 9.
In further preferred embodiment, described protruding seam 10 is two or many
Individual, preferably 4～12, more preferably 6～10, such as 8.
Wherein, 10 the most how many salient lines of protruding seam are configured, protruding seam
Number be the summation of salient line number on the first plastic foil and the second plastic foil.
In the most preferred embodiment, described sealing tongue seam 8 and sealing
Fillister joint 9 is respectively one or more, and is arranged in pairs.
Wherein, described sealing tongue seam 8 and sealed groove seam 9 are according to being respectively necessary for how many
Individual sealing tongue and sealed groove are configured.Such as, if desired two groups of sealing strips,
Two are then needed to seal tongue and two sealed grooves.
Step 2, hot pressing form outside sandwich: carry out cold by the bar shaped cylinder after folding into
But, cross roller, then under draw, the casting films formed through curtain coating is pressed on bar
On second plastic foil of shape disjunctor, casting films is entered near the side at the bottom of bar shaped disjunctor bag
Row hot pressing, forms bar shaped disjunctor outside sandwich.
According to one of the present invention preferred embodiment, in step 2, casting films
Width is the 1/3～2/3 of bar shaped disjunctor the second plastic foil width.
Wherein, the width to casting films arranges and is not strict with, as long as outside obtaining
Interlayer can put into article, and such as case list, and article should not drop.
According to one of the present invention preferred embodiment, in step 2, when hot pressing
A pressure energy enough makes casting films be bonded on bar shaped disjunctor the second plastic foil gently, now,
Can not exert oneself hot pressing, because firmly hot pressing may result in bar shaped disjunctor the first plastic foil
And the adhesion between bar shaped disjunctor the second plastic foil.
Wherein, owing to the purpose of outside sandwich is for inserting article, such as case list or
Other list, it is the article with certain volume, will not be as liquid such as specimen fluids
Equally get out from gap, therefore light between casting films and bar shaped disjunctor the second plastic foil
Gently connect, it is not necessary to contiguity.
Step 3, earnestly: bar shaped disjunctor specimen bag is carried out earnestly, and is earnestly locating
Extrude banding line 4, obtain specimen bag.
According to one of the present invention preferred embodiment, along the side with invagination sections transverse
To carrying out earnestly.
Wherein, through earnestly, bar shaped disjunctor specimen bag being cut into specimen of the present invention
Bag.Further, carry out earnestly according to the transverse width of specimen bag.
In further preferred embodiment, at the bottom of the banding line 4 obtained is perpendicular to bag
3。
In further preferably mode, the width of described banding line 4 is 0.5～2.5
Mm, preferably 1～2mm, more preferably 1.5mm.
Wherein, wider banding line 4 is extruded the most afterwards by two purposes: one, relatively
Wide banding line arranges the overall appearance that improve specimen bag；Its two, wider banding
Line ensure that the specimen bag sealing in earnestly part, in use, even if relatively
Also will not ftracture under the liquid effects of weight.
According to one of the present invention preferred embodiment, can between step 2 and step 3
Carry out print steps: on bar shaped disjunctor plastic foil, the preferably first plastic foil prints
Label.
In further preferred embodiment, on the first plastic foil, first print one
Layer white background, the then label of process black on white background, form the label that can write,
Obtain bar shaped disjunctor specimen bag.
Wherein, in order to make the word write on the label that can write be easily recognized, use white
End surplus.
According to one of the present invention preferred embodiment, can carry out between step 2 and 3
Punch out step: tongue will be sealed and sealed groove closes button, and punch above sealing strip 51,
Form lifting hole(eyelet) 52.
Although preparation technology provided by the present invention includes three steps, but is producing
During application, above three step starts to be line production from step 1, specifically, and step
Rapid 1 terminates to be directly entered step 2, subsequently into step 3.Whole preparation process is once
Property line production, middle do not stop, therefore, described preparation technology save the time,
Cost-effective, it is especially suitable for large-scale production and application.Meanwhile, the bag of rule is in warm
Do not produce waste material when cutting, reduce further cost of material.
In the present invention:
3 it is formed by connecting at the bottom of multiple bags at the bottom of described bar shaped disjunctor bag, wherein, described bar
After earnestly, 3 are i.e. formed at the bottom of multiple single bag at the bottom of shape disjunctor bag；
Described bar shaped the first plastic foil is formed by connecting by multiple first plastic foils 1, wherein,
Described bar shaped the first plastic foil i.e. forms multiple single first plastic foil 1 after earnestly；
Described bar shaped the second plastic foil is formed by connecting by multiple second plastic foils 2, wherein,
Described bar shaped the second plastic foil i.e. forms multiple single second plastic foil 2 after earnestly；
Described first extruder is used in combination with inflation film manufacturing machine, is used for realizing blown film；
Described second extruder is used in combination with casting machine, is used for realizing curtain coating.
There is provided specimen bag and preparation technology thereof according to the present invention, have the advantage that
(1) specimen bag appearance design provided by the present invention is succinct, attractive in appearance；
(2) specimen bag provided by the present invention is provided with outside sandwich, is used for inserting thing
Product, such as case list, facilitate the use of medical personnel, or doing pathological analysis
Time can understand the medical history of patient in time, provide conveniently for medical personnel；
(3) specimen bag provided by the present invention has extraordinary sealing and use
Intensity, should not tear during use, leak；
(4) specimen bag provided by the present invention can uprightly be placed in use；
(5) prop up in specimen bag provided by the present invention both sides in use are formed respectively
Support part and outer support portion, further ensure the specimen bag stability when upright use；
(6) preparation technology provided by the present invention is that streamline completes, and centre does not has
Pause, so, be greatly saved the preparation time of specimen bag, saved simultaneously manpower,
Material resources, reduce production cost, are suitable for large-scale production and application.
In describing the invention, it should be noted that term " on ", D score, " interior ",
" outward ", "left", "right" and " afterwards " etc. instruction orientation or position relationship be based on
Orientation under duty of the present invention or position relationship, be for only for ease of and describe this
Bright and simplification describes rather than indicates or imply that the device of indication or element must have
Specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The restriction of invention.
Above in association with preferred embodiment describing the present invention, but this
A little embodiments are only exemplary, only play illustrative effect.On this basis,
The present invention can be carried out multiple replacement and improvement, these each fall within the protection of the present invention
In the range of.
Claims (10)
1. a specimen bag, it is characterised in that described specimen bag includes at the bottom of bag and bag
(3), bag includes the first plastic foil (1) and the second plastic foil touched the left and right sides
(2), both sides contiguity part constitutes banding line (4), wherein:
On the plastic film, the preferably second plastic foil (2) can be provided with for inserting thing
The outside sandwich (21) of product；
(3) at the bottom of described bag and the first plastic foil (1) and the second plastic foil (2) are integrally
Formed.
Specimen bag the most according to claim 1, it is characterised in that
The bag end (3) folds in bag from bottom to top, and invagination part is positioned at the first plastic foil (1)
With second be affixed between plastic foil (2) and with bag, fold into the left and right sides of part with
First plastic foil (1), the second plastic foil (2) and the left and right sides of outside sandwich (21)
Touched by banding line (4)；And/or
On the plastic film, the preferably first plastic foil (1) can print the label that can write
(11)。
Specimen bag the most according to claim 1 and 2, it is characterised in that
The lateral length of described outside sandwich (21) is equal to the lateral length of specimen bag, institute
State the longitudinally height longitudinally height less than specimen bag of outside sandwich (21), be preferably mark
The 1/3～2/3 of the longitudinally height of this bag；
The bottom side of outside sandwich (21) connects with the bottom side of the second plastic foil (2), outer clip
The layer left and right sides of (21) connects with the left and right sides of the second plastic foil (2)；With/
Or
The width of described banding line (4) is 0.5～2.5mm, preferably 1～2mm,
More preferably 1.5mm.
4. according to the specimen bag one of claims 1 to 3 Suo Shu, it is characterised in that
Bag top includes opening (5), and opening (5) place is provided with sealing strip (51),
Described sealing strip (51) is made up of the sealing tongue cooperated and sealed groove, close
Envelope tongue and sealed groove are respectively arranged at the first plastic foil (1) and the second plastic foil (2)
Inwall on, optionally, sealing strip (51) is provided with compression push-and-pull switch；
Opened above at opening (5) place sealing strip (51) have lifting hole(eyelet) (52)；
It is provided above salient line (53) at opening (5) place sealing strip (51).
Specimen bag the most according to claim 4, it is characterised in that put into specimen
During liquid, bag struts, and (3) at the bottom of bag are downward from the peak folding into the part left and right sides
Supporting, wherein, the middle part pressurized of invagination part at the bottom of bag sinks and opens formation rectangle (31),
The peak folding into the part left and right sides is natural with the right and left of rectangle (31) respectively
Connect, form integral support portion (61), at the bottom of remaining bag not supported, fold into part and bag
Still it is affixed, formation outer support portion (62), wherein,
The length of described rectangle is less than the length of sealing strip (51)；
Space (63) is formed between integral support portion (61) and outer support portion (62).
6. according to the specimen bag one of claim 1 to 5 Suo Shu, it is characterised in that
The opening (5) of described specimen bag is formed as follows: pours the first material into first and squeezes
Go out and machine carries out blown film roll-in, formed with sealing tongue and the bar shaped of sealed groove
Cylinder, is cut out by cutting means (such as blade) in the middle of tongue and sealed groove sealing
Open form becomes opening (5), described sealing tongue and sealed groove to cooperate composition opening
(5) sealing strip (51) at place；And/or
(3) at the bottom of the bag of described specimen bag are formed as follows: while forming opening (5),
Use folding device (such as baffle plate or the covering of the fan of rotation) by bar shaped cylinder and opening (5)
Relative side inwardly folds into, and folds into part and is formed at the bottom of bar shaped disjunctor bag, the most then
By earnestly and extruding banding line (4) at earnestly place, thus formed at the bottom of independent bag.
7. a preparation technology for the specimen bag that one of claim 1 to 6 is described, it is special
Levying and be, described preparation technology comprises the following steps:
Step 1, blown film are also cast: poured in the first extruder by the first material and blow
Film and/or roll-in, formed with sealing tongue and the bar shaped cylinder of sealed groove, close
By cutting means (such as blade), bar shaped cylinder is cut out in the middle of envelope tongue and sealed groove
Open form becomes opening (5)；Use folding device (such as baffle plate or the covering of the fan of rotation) by bar
The side that shape cylinder is relative with opening (5) inwardly folds into, and folds into part and forms bar shaped even
At the bottom of body bag, form bar shaped disjunctor the first plastic foil and bar respectively in the both sides of invagination part
Shape disjunctor the second plastic foil；Meanwhile, the second material is poured in the second extruder carry out
Curtain coating, forms casting films；
Step 2, hot pressing form outside sandwich: carry out cooling down by the bar shaped cylinder after folding into,
Cross roller, then under draw, the casting films formed through curtain coating is pressed on bar shaped even
On second plastic foil of body, casting films is carried out heat near the side at the bottom of bar shaped disjunctor bag
Pressure, forms bar shaped disjunctor outside sandwich；
Step 3, earnestly: bar shaped disjunctor specimen bag is carried out earnestly, and press earnestly locating
Go out banding line (4), obtain specimen bag.
Preparation technology the most according to claim 7, wherein, in step 1,
Described first material includes Low Density Polyethylene, linear low density polyethylene, resists
Oxygen agent, plasticizer, optionally, also include antistatic additive and impact modifying agent；
Described second material includes polypropylene, polyethylene, antioxidant, plasticizer, optionally
Ground, also includes antistatic additive and impact modifying agent.
9. according to the preparation technology described in claim 7 or 8, wherein, described first squeeze
Going out machine and use special die orifice, described special die orifice includes:
Blown film seam (7), is used for blowing out cylinder；
Seal tongue seam (8), be used for blowing out the sealing tongue of sealing strip (51)；
Sealed groove seam (9), is used for blowing out the sealed groove of sealing strip (51)；With
Protruding seam (10), is used for blowing out salient line (53),
Preferably, described sealing tongue seam (8) and sealed groove seam (9) and blown film
Seam (7) connection；And/or
Preferably, described protruding seam (10) is two or more, preferably 4～12,
More preferably 6～10, such as 8.
10. according to the preparation technology one of claim 7 to 9 Suo Shu, wherein,
Print steps can be carried out: on bar shaped disjunctor plastic foil between step 2 and 3,
Printed label on preferably first plastic foil, the most first one layer of white background of printing, then exists
The label of process black on white background, forms the label that can write；And/or
Punch out step can be carried out: tongue and sealed groove will be sealed between step 2 and 3
Close button, in the punching of sealing strip (51) top, form lifting hole(eyelet) (52)；And/or
In step 3, along carrying out earnestly with the direction folding into sections transverse, the limit obtained
Envelope line (4) be perpendicular to bag at the bottom of (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610401841.2A CN105883165B (en) | 2016-06-08 | 2016-06-08 | A kind of specimen bag and its preparation process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610401841.2A CN105883165B (en) | 2016-06-08 | 2016-06-08 | A kind of specimen bag and its preparation process |
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| CN105883165A true CN105883165A (en) | 2016-08-24 |
| CN105883165B CN105883165B (en) | 2019-01-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110606284A (en) * | 2019-10-18 | 2019-12-24 | 合肥东浩金属制品有限公司 | Plastic packaging bottle collecting device |
| CN114435742A (en) * | 2020-10-31 | 2022-05-06 | 广西师范大学 | Corner bag for manufacturing field insect dry specimen |
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Cited By (2)
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| CN114435742A (en) * | 2020-10-31 | 2022-05-06 | 广西师范大学 | Corner bag for manufacturing field insect dry specimen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105883165B (en) | 2019-01-04 |
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