CN207789721U - A kind of molding machine - Google Patents
A kind of molding machine Download PDFInfo
- Publication number
- CN207789721U CN207789721U CN201721223301.6U CN201721223301U CN207789721U CN 207789721 U CN207789721 U CN 207789721U CN 201721223301 U CN201721223301 U CN 201721223301U CN 207789721 U CN207789721 U CN 207789721U
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- area
- recessed
- roller
- cylinder mould
- molding
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Abstract
The utility model discloses a kind of molding machines, including molding cylinder mould, vacuum forming drum, recessed roller and porcupine roller, the molding cylinder mould is the seamless cylinder metal cylinder mould that surface has sunk area and non-sunk area, and the sunk area and non-sunk area on the molding cylinder mould all have through-hole；The vacuum forming drum is equipped with suction mouth；The surface of the recessed roller has recessed area and non-re-entrant region；The surface of the porcupine roller has perforated area and counterbore area；The molding cylinder mould is nested on vacuum forming drum, and the recessed roller matches with molding cylinder mould and porcupine roller respectively.Porous membrane with macropore and aperture is manufactured using a kind of molding machine of the utility model, more existing secondary hole knockout, winding device and unwinding equipment and transit link can be saved, plays the role of saving energy consumption, reduces cost, improve production efficiency, prevent material secondary from polluting.
Description
Technical field
The utility model is related to porous membrane production fields, particularly relate to a kind of molding machine.
Background technology
Porous membrane is for the face of sanitary napkin and panty liner layer so that body fluid is reached quickly through the trepanning of porous membrane
Absorbent core layer, while the body fluid after absorbing can also be effectively prevent to return to facing surface in the case of crushing, give
Dry and comfortable, comfortable feeling.But porous membrane is typically the thermoplastic resins such as polyethylene by melting, and curtain coating is formed after punching
Plastic film, therefore traditional porous membrane has plastic sense, the shortcomings of flexibility is not good enough, and infiltration rate is slow, in order to change
It is apt to these disadvantages, a kind of existing porous membrane with macropore and aperture is extended in oriented second face in the first face of film
Aperture, the aperture formed on the second face of film protrusion film angle:It is formed simultaneously to the first face on the second face of film
The larger macropore of perforated area, these film angle protrusions can be such that the second face of film is formed rough " matte "；Utilize this " suede
Face ", using front, can increase the contact resilient of film product and skin as applied to amenities, improve relaxing of using
Adaptive, and aperture and macropore and deposit, increase infiltration rate.But the porous membrane with macropore and aperture this at present is adopted
It is carried out with off-line secondary hole knockout, as shown in Figure 1 and Figure 2, casting films A1 ' first is punched through vacuum punch device A11 '
The perforated film A2 ' with small structure is formed afterwards, is then wound.To have foraminate perforated film A2 ' and use unwinding equipment
It unreels, carries out secondary punching through mechanical punching device A 21 ', form macropore, the trepanning with aperture and macropore is formed to wind
Film A3 '.Why secondary hole knockout is used, mainly due to during machining small, needing vacuum suction at high temperature
Broken, the sizing speed of aperture is slower, and longer process is needed to carry out solidifying and setting, could keep aperture during mechanical punching not
Be crushed deformation, closure, otherwise can influence the absorbability and sense of touch of perforated film.But this production method is due to being secondary add
Work first winds after needing to form aperture film A2 ', after transporting mechanical punching former, then unreels, therefore energy consumption is larger,
And material contamination is be easy to cause in transportational process, waste of material is more.
Utility model content
The purpose of this utility model is to provide a kind of molding machines for the defect for overcoming existing production method.
To achieve the above object, the solution of the utility model is：
A kind of molding machine, including molding cylinder mould, vacuum forming drum, recessed roller and porcupine roller, wherein the forming net cage is table
Face has the seamless cylinder metal cylinder mould of sunk area and non-sunk area, the sunk area and non-recessed on the molding cylinder mould
Sunken region all has through-hole；The vacuum forming drum is connected with a vacuum pump, and the side wall that the vacuum forming is roused offers long and narrow
Suction mouth, the axial direction that the length direction of the suction mouth is roused along vacuum forming；The surface of the recessed roller has phase each other
The recessed area at interval and non-re-entrant region；The surface of the porcupine roller has perforated area spaced apart and counterbore area,
A perforating needle is included at least in the perforated area；The molding cylinder mould is nested with the vacuum forming drum, the recessed roller difference
Match with molding cylinder mould and porcupine roller；The recessed area of the recessed roller is corresponding with the molding non-sunk area of cylinder mould；It is described recessed
The recessed area of roller is also corresponding with the perforated area of porcupine roller；The sunk area phase in the non-re-entrant region of the recessed roller and molding cylinder mould
It is corresponding；The non-re-entrant region of the recessed roller is also corresponding with the counterbore area of porcupine roller.
The surface of the molding cylinder mould is every square centimeter, and there are 20 to 1600 through-holes, the area of single through-hole to be
0.03mm2~2.5mm2。
The cup depth of the sunk area of the molding cylinder mould is 0.1mm~0.8mm.
Negative pressure adsorption equipment is equipped in the recessed roller, the bottom of the recessed area of the recessed roller is equipped with and the negative-pressure adsorption
The connected pore of device.
Porous membrane with macropore and aperture is manufactured using a kind of molding machine of the utility model, it is more existing secondary
Hole knockout can save winding device and unwinding equipment and transit link when manufacture has the porous membrane of macropore and aperture,
Play the role of saving energy consumption, reduces cost, improve production efficiency, prevent material secondary from polluting；And pass through the recessed roller
Recessed area with molding corresponding, the described recessed roller of the non-sunk area of cylinder mould recessed area also with the perforated area pair of porcupine roller
Answer, the non-re-entrant region of the recessed roller with molding corresponding, the described recessed roller of the sunk area of cylinder mould non-re-entrant region also with needle
The counterbore area of roller corresponds to, and can be squeezed the raised zones of porous membrane to avoid porcupine roller and recessed roller, ensure to ultimately form
Porous membrane aperture pass, avoid aperture be destroyed caused by the bad and sense of touch of infiltration it is coarse the problems such as generation.
Description of the drawings
Fig. 1 is production procedure Fig. 1 of the existing perforated film with macropore and aperture；
Fig. 2 is production procedure Fig. 2 of the existing perforated film with macropore and aperture；
Fig. 3 is a kind of structural schematic diagram of molding machine of the utility model embodiment 1；
Fig. 4 is the vertical view for the porous membrane with macropore and aperture that the utility model embodiment 1 manufactures；
Fig. 5 is the sectional view for the porous membrane with macropore and aperture that the utility model embodiment 1 manufactures；
Fig. 6 is a kind of structural schematic diagram of molding machine of the utility model embodiment 2；
Fig. 7 is a kind of structural schematic diagram of molding machine of the utility model embodiment 3；
Fig. 8 is the vertical view for the porous membrane with macropore and aperture that the utility model embodiment 3 manufactures；
Fig. 9 is the sectional view for the porous membrane with macropore and aperture that the utility model embodiment 3 manufactures.
Specific implementation mode
In order to which the technical solution of the utility model is explained further, below by specific embodiment come to the utility model into
Row elaborates.
Embodiment 1：
Coordinate shown in Fig. 3 to Fig. 5, a kind of molding machine, including molding cylinder mould 1, vacuum forming drum 2, recessed roller 3 and porcupine roller 4.
The molding cylinder mould 1 is the seamless cylinder metal cylinder mould that surface has sunk area 11 and non-sunk area 12,
And through-hole 13 is all had on the sunk area 11 and non-sunk area 12 on the molding cylinder mould 1, specifically, the forming net
The surface of cage 1 is every square centimeter to have 20 to 1600 through-holes 13, and the area of single through-hole 13 is 0.03mm2~2.5mm2, described
The cup depth for being molded the sunk area 11 of cylinder mould 1 is 0.1mm~0.8mm.In this embodiment, it is preferred that the forming net
The surface of cage 1 is every square centimeter 250 through-holes 13, and the area of single through-hole 13 is 0.15mm2, the recess depth of sunk area 11
Degree is 0.4mm.The molding cylinder mould 1 is nested on vacuum forming drum 2, and the vacuum forming drum 2 is connected with a vacuum pump, described
The side wall of vacuum forming drum 2 offers long and narrow suction mouth 21, and the length direction of the suction mouth 21 is along vacuum forming drum 2
Axial direction.The surface of the recessed roller 3 has recessed area 31 spaced apart and non-re-entrant region 32；The table of the porcupine roller 4
Face has perforated area 41 spaced apart and counterbore area 42, and a perforating needle is included at least in the perforated area 41
411, include in the present embodiment a perforating needle 411 in the perforated area 41；The recessed roller 3 respectively with molding cylinder mould 1 and
Porcupine roller 2 matches, specifically, the recessed area 31 of the recessed roller 3 is corresponding with the molding non-sunk area 12 of cylinder mould 1；It is described
The recessed area 31 of recessed roller 3 is also corresponding with the perforated area of porcupine roller 4 41；The non-re-entrant region 32 of the recessed roller 3 and molding cylinder mould 1
Sunk area 11 it is corresponding；The non-re-entrant region 32 of the recessed roller 3 is also corresponding with the counterbore area of porcupine roller 4 42.
A kind of manufacturing method manufacturing porous membrane using a kind of molding machine described in embodiment 1 includes：
Polyolefin blend is formed into casting films A1 by screw extruder melting extrusion first, the casting films A1 of formation is led
It guides on molding cylinder mould 1；Then when casting films A1 is located at the suction mouth 21 of vacuum forming drum 2, due to vacuum forming drum 2
The effect for the vacuum pump being connected, suction mouth 21 can form negative pressure so that casting films A1, which forms surface, has elevated regions A21
The aperture porous membrane A2 of aperture a is all had with non-elevated regions A22 and elevated regions A21 and non-elevated regions A22；It connects
It, the aperture porous membrane A2 enters on the recessed roller 3 to match with molding cylinder mould 1, the protrusion of the aperture porous membrane A2
Region A21 coordinates in the recessed area 31 of recessed roller 3, and the non-elevated regions A22 of the aperture porous membrane A2 coordinates in recessed roller 3
Non-re-entrant region 32 on；Followed by the perforating needle 411 of the porcupine roller 4 to match with recessed roller 3 is to the aperture porous membrane A2's
The reverse side of elevated regions A21 is squeezed, punctures to form infundibulate macropore b, is ultimately formed with the porous of macropore b and aperture a
The surfaces film A3, the porous membrane A3 have raised zones A31 and non-protruding region A32, the raised zones A31 as small
The non-elevated regions A22 of hole porous membrane A2, the non-protruding region A32 are the elevated regions A21 of aperture porous membrane A2.
Wherein, the temperature when casting films A1 is located at the inlet of suction mouth 21 is 70 DEG C~300 DEG C.The suction mouth 21
Vacuum degree is 0.01MPa~0.1MPa.The opening direction of the aperture a of the porous membrane A3 is opposite with the opening direction of macropore b；
The temperature of the porcupine roller 4 is 60 DEG C~150 DEG C.
In the present embodiment, the polyolefin blend includes 45%LDPE 100AC, 7050 45%LLDPE and 10% work(
Energy masterbatch, the temperature when casting films A1 is located at the inlet of suction mouth 21 are 120 DEG C, the vacuum of the suction mouth 21
Degree is 0.06MPa, and the temperature of porcupine roller 4 is 130 DEG C.
After a kind of molding machine and manufacturing method of embodiment 1, more existing secondary hole knockout has in manufacture
Winding device and unwinding equipment and transit link can be saved when the porous membrane A3 of macropore b and aperture a, plays and saves energy consumption, drop
Low cost, the effect for improving production efficiency, preventing material secondary from polluting；And the elevated regions A21 of aperture porous membrane A2 and
Non- elevated regions A22 is that there is the casting films A1 of certain temperature to coordinate molding cylinder mould 1 to be formed by suction function, can be effective
Improve the shape retention of the elevated regions A21 and non-elevated regions A22 of aperture porous membrane A2；Pass through the recessed roller 3 simultaneously
Recessed area 31 is corresponding with the molding non-sunk area 12 of cylinder mould 1, the recessed area 31 of the recessed roller 3 and beating for porcupine roller 4
Bore region 41 corresponds to, the non-re-entrant region 32 of the recessed roller 3 is corresponding with the sunk area 11 of cylinder mould 1 is molded, the recessed roller 3
Non-re-entrant region 32 is corresponding with the counterbore area 42 of porcupine roller 4, can be to avoid porcupine roller 4 and recessed roller 3 to the protrusion area of porous membrane A3
Domain A31 is squeezed, and ensures the pass of the aperture a of finally formed porous membrane A3, avoid aperture a be destroyed caused by ooze
The generation for the problems such as thoroughly bad and sense of touch is coarse.
Embodiment 2：
Coordinate shown in Fig. 6, a kind of molding machine, including molding cylinder mould 1, vacuum forming drum 2, recessed roller 3 and porcupine roller 4.
The molding cylinder mould 1 is the seamless cylinder metal cylinder mould that surface has sunk area 11 and non-sunk area 12,
And through-hole 13 is all had on the sunk area 11 and non-sunk area 12 on the molding cylinder mould 1, specifically, the forming net
The surface of cage 1 is every square centimeter to have 20 to 1600 through-holes 13, and the area of single through-hole 13 is 0.03mm2~2.5mm2, described
The cup depth for being molded the sunk area 11 of cylinder mould 1 is 0.1mm~0.8mm.In this embodiment, it is preferred that the forming net
The surface of cage 1 is every square centimeter 468 through-holes 13, and the area of single through-hole 13 is 0.1mm2, the cup depth of depressed area 11
For 0.5mm.The molding cylinder mould 1 is nested on vacuum forming drum 2, and the vacuum forming drum 2 is connected with a vacuum pump, described true
The side wall of empty assembly drum 2 offers long and narrow suction mouth 21, and the length direction of the suction mouth 21 is along vacuum forming drum 2
It is axial.The surface of the recessed roller 3 has recessed area 31 spaced apart and non-re-entrant region 32, is equipped in the recessed roller 3
Negative pressure adsorption equipment 33, the bottom of the recessed area 31 of the recessed roller 3 are equipped with the pore being connected with the negative pressure adsorption equipment 33
311；The surface of the porcupine roller 4 has perforated area 41 spaced apart and counterbore area 42, in the perforated area 41 extremely
Include a perforating needle 411 less, includes in the present embodiment a perforating needle 411 in the perforated area 41；The recessed roller 3 divides
Do not match with molding cylinder mould 1 and porcupine roller 2, specifically, the non-depressed area of the recessed area 31 of the recessed roller 3 and molding cylinder mould 1
Domain 12 is corresponding；The recessed area 31 of the recessed roller 3 is also corresponding with the perforated area of porcupine roller 4 41；The non-re-entrant area of the recessed roller 3
Domain 32 is corresponding with the molding sunk area 11 of cylinder mould 1；Counterbore area of the non-re-entrant region 32 of the recessed roller 3 also with porcupine roller 4
42 correspond to.
The manufacturing method that a kind of a kind of molding machine using described in embodiment 2 manufactures porous membrane includes：
Polyolefin blend is formed into casting films A1 by screw extruder melting extrusion first, the casting films A1 of formation is led
It guides on molding cylinder mould 1；Then when casting films A1 is located at the suction mouth 21 of vacuum forming drum 2, due to vacuum forming drum 2
The effect for the vacuum pump being connected, suction mouth 21 can form negative pressure so that casting films A1, which forms surface, has elevated regions A21
The aperture porous membrane A2 of aperture a is all had with non-elevated regions A22 and elevated regions A21 and non-elevated regions A22；It connects
It, the aperture porous membrane A2 enters on the recessed roller 3 to match with molding cylinder mould 1, the protrusion of the aperture porous membrane A2
Region A21 coordinates in the recessed area 31 of recessed roller 3, and the non-elevated regions A22 of the aperture porous membrane A2 coordinates in recessed roller 3
Non-re-entrant region 32 on, recessed roller 3 negative pressure adsorption equipment 33 act under, pore 311 formed negative pressure can be porous by aperture
The recessed areas 31 for being adsorbed on recessed roller 3 of the elevated regions A21 of film A2 tightly；Followed by the porcupine roller 4 to match with recessed roller 3
Perforating needle 411 reverse side of the elevated regions A21 of the aperture porous membrane A2 is squeezed, punctures to form infundibulate macropore
B ultimately forms the surfaces porous membrane A3, the porous membrane A3 with macropore b and aperture a with raised zones A31 and non-
Raised zones A32, the raised zones A31 are the non-elevated regions A22 of aperture porous membrane A2, the non-protruding region
A32 is the elevated regions A21 of aperture porous membrane A2.Wherein, when the casting films A1 is located at the inlet of suction mouth 21
Temperature be 70 DEG C~300 DEG C.The vacuum degree of the suction mouth 21 is 0.01MPa~0.1MPa.The porous membrane A3's
The opening direction of aperture a is opposite with the opening direction of macropore b；The temperature of the porcupine roller 4 is 60 DEG C~150 DEG C.
In the present embodiment, the polyolefin blend includes 45%LDPE 100AC, 7050 45%LLDPE and 10% work(
Energy masterbatch, the temperature when casting films A1 is located at the inlet of suction mouth 21 are 135 DEG C, the vacuum of the suction mouth 21
Degree is 0.07MPa, and the temperature of porcupine roller 4 is 130 DEG C.
After a kind of molding machine and manufacturing method of embodiment 2, the embodiment that compares 1, since recessed roller 3 has negative pressure
Adsorbent equipment 33, pore 311 form negative pressure under the action of negative pressure adsorption equipment 33, by the elevated regions of aperture porous membrane A2
The recessed areas 31 for being adsorbed on recessed roller 3 of A21 tightly, prevent the aperture porous membrane A2 from occurring when being transferred on recessed roller 3
Displacement, dislocation ensure that the macropore b to be formed can accurately be located at the bottom of non-protruding region A32 of porous membrane A3, while also having
Help the sizing of the raised zones A31 of porous membrane A3.
Embodiment 3：
Coordinate shown in Fig. 7 to Fig. 9, a kind of molding machine, including molding cylinder mould 1, vacuum forming drum 2, recessed roller 3 and porcupine roller 4.
The molding cylinder mould 1 is the seamless cylinder metal cylinder mould that surface has sunk area 11 and non-sunk area 12,
And through-hole 13 is all had on the sunk area 11 and non-sunk area 12 on the molding cylinder mould 1, specifically, the forming net
The surface of cage 1 is every square centimeter to have 20 to 1600 through-holes 13, and the area of single through-hole 13 is 0.03mm2~2.5mm2, described
The cup depth for being molded the sunk area 11 of cylinder mould 1 is 0.1mm~0.8mm.In this embodiment, it is preferred that the forming net
The surface of cage 1 is every square centimeter 759 through-holes 13, and the area of single through-hole 13 is 0.08mm2, the recess depth of sunk area 11
Degree is 0.6mm.The molding cylinder mould 1 is nested on vacuum forming drum 2, and the vacuum forming drum 2 is connected with a vacuum pump, described
The side wall of vacuum forming drum 2 offers long and narrow suction mouth 21, and the length direction of the suction mouth 21 is along vacuum forming drum 2
Axial direction.The surface of the recessed roller 3 has recessed area 31 spaced apart and non-re-entrant region 32；The table of the porcupine roller 4
Face has perforated area 41 spaced apart and counterbore area 42, and a perforating needle is included at least in the perforated area 41
411, include in the present embodiment four perforating needles 411 in the perforated area 41；The recessed roller 3 respectively with molding cylinder mould 1 and
Porcupine roller 2 matches, specifically, the recessed area 31 of the recessed roller 3 is corresponding with the molding non-sunk area 12 of cylinder mould 1；It is described
The recessed area 31 of recessed roller 3 is also corresponding with the perforated area of porcupine roller 4 41；The non-re-entrant region 32 of the recessed roller 3 and molding cylinder mould 1
Sunk area 11 it is corresponding；The non-re-entrant region 32 of the recessed roller 3 is also corresponding with the counterbore area of porcupine roller 4 42.
A kind of manufacturing method manufacturing porous membrane using a kind of molding machine described in embodiment 3 includes：
Polyolefin blend is formed into casting films A1 by screw extruder melting extrusion first, the casting films A1 of formation is led
It guides on molding cylinder mould 1；Then when casting films A1 is located at the suction mouth 21 of vacuum forming drum 2, due to vacuum forming drum 2
The effect for the vacuum pump being connected, suction mouth 21 can form negative pressure so that casting films A1, which forms surface, has elevated regions A21
The aperture porous membrane A2 of aperture a is all had with non-elevated regions A22 and elevated regions A21 and non-elevated regions A22；It connects
It, the aperture porous membrane A2 enters on the recessed roller 3 to match with molding cylinder mould 1, the protrusion of the aperture porous membrane A2
Region A21 coordinates in the recessed area 31 of recessed roller 3, and the non-elevated regions A22 of the aperture porous membrane A2 coordinates in recessed roller 3
Non-re-entrant region 32 on；Followed by the perforating needle 411 of the porcupine roller 4 to match with recessed roller 3 is to the aperture porous membrane A2's
The reverse side of elevated regions A21 is squeezed, punctures to form infundibulate macropore b, is ultimately formed with the porous of macropore b and aperture a
The surfaces film A3, the porous membrane A3 have raised zones A31 and non-protruding region A32, the raised zones A31 as small
The non-elevated regions A22 of hole porous membrane A2, the non-protruding region A32 are the elevated regions A21 of aperture porous membrane A2.
Wherein, the temperature when casting films A1 is located at the inlet of suction mouth 21 is 70 DEG C~350 DEG C.The suction mouth 21
Vacuum degree is 0.01MPa~0.1MPa.The opening direction of the aperture a of the porous membrane A3 is opposite with the opening direction of macropore b；
The temperature of the porcupine roller 4 is 60 DEG C~150 DEG C.
In the present embodiment, the polyolefin blend includes 20%LDPE 100AC, 7050 80%LLDPE and 10% work(
Energy masterbatch, the temperature when casting films A1 is located at the inlet of suction mouth 21 are 160 DEG C, the vacuum of the suction mouth 21
Degree is 0.08MPa, and the temperature of porcupine roller 4 is 80 DEG C.
After a kind of molding machine and manufacturing method of embodiment 3, the embodiment that compares 1, due to the perforated area
There are four perforating needles 311 for 41 tools, and the non-protruding region A32 of finally formed porous membrane A3 can be made to have there are four macropore b,
The seepage velocity that body fluid can effectively be accelerated, prevents the generation of body fluid back leak and side leakage problem.
Claims (4)
1. a kind of molding machine, including molding cylinder mould, vacuum forming drum, recessed roller and porcupine roller, it is characterised in that：
The molding cylinder mould is the seamless cylinder metal cylinder mould that surface has sunk area and non-sunk area, the forming net
Sunk area and non-sunk area on cage all have through-hole；
The vacuum forming drum is connected with a vacuum pump, and the side wall of the vacuum forming drum offers long and narrow suction mouth, institute
State the axial direction that the length direction of suction mouth is roused along vacuum forming；
The surface of the recessed roller has recessed area spaced apart and non-re-entrant region；
The surface of the porcupine roller has perforated area spaced apart and counterbore area, and one is included at least in the perforated area
A perforating needle；
The molding cylinder mould is nested with the vacuum forming drum, and the recessed roller matches with molding cylinder mould and porcupine roller respectively；It is described recessed
The recessed area of roller is corresponding with the molding non-sunk area of cylinder mould；The recessed area of the recessed roller also with the perforated area of porcupine roller
It is corresponding；The non-re-entrant region of the recessed roller is corresponding with the molding sunk area of cylinder mould；The non-re-entrant region of the recessed roller also with
The counterbore area of porcupine roller corresponds to.
2. a kind of molding machine as described in claim 1, it is characterised in that：The surface tool every square centimeter of the molding cylinder mould
There are 20 to 1600 through-holes, the area of single through-hole is 0.03mm2~2.5mm2。
3. a kind of molding machine as described in claim 1, it is characterised in that：The recess of the sunk area of the molding cylinder mould is deep
Degree is 0.1mm~0.8mm.
4. a kind of molding machine as described in claim 1, it is characterised in that：Negative pressure adsorption equipment, institute are equipped in the recessed roller
The bottom for stating the recessed area of recessed roller is equipped with the pore being connected with the negative pressure adsorption equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721223301.6U CN207789721U (en) | 2017-09-22 | 2017-09-22 | A kind of molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721223301.6U CN207789721U (en) | 2017-09-22 | 2017-09-22 | A kind of molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207789721U true CN207789721U (en) | 2018-08-31 |
Family
ID=63274666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721223301.6U Withdrawn - After Issue CN207789721U (en) | 2017-09-22 | 2017-09-22 | A kind of molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207789721U (en) |
-
2017
- 2017-09-22 CN CN201721223301.6U patent/CN207789721U/en not_active Withdrawn - After Issue
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