CN111871719A - Hot melt adhesive sustainable supply equipment - Google Patents
Hot melt adhesive sustainable supply equipment Download PDFInfo
- Publication number
- CN111871719A CN111871719A CN202010701795.4A CN202010701795A CN111871719A CN 111871719 A CN111871719 A CN 111871719A CN 202010701795 A CN202010701795 A CN 202010701795A CN 111871719 A CN111871719 A CN 111871719A
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- Prior art keywords
- glue
- hot melt
- melt adhesive
- platform
- supply apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/001—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work incorporating means for heating or cooling the liquid or other fluent material
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Abstract
The invention discloses a hot melt adhesive sustainable supply device, which comprises: a fixed base; the glue storage barrel is arranged on the fixed base and used for storing the glue blocks of the hot melt glue; the glue pressing device is configured with the glue storage barrel and is used for sealing and gradually heating the glue blocks; the glue conveying device is connected with the glue pressing device and used for extracting and conveying liquefied hot melt glue, and comprises a temperature control glue pipe, wherein the temperature control glue pipe comprises an inner container, a heating layer and a heat insulation layer; the glue dispensing device is connected with the temperature control rubber tube and used for heating and spraying glue; and the cooling device is used for reducing the heat transfer of the glue storage barrel and preventing the glue blocks from being over-melted. The glue block in the glue storage barrel is sealed and gradually heated through the glue pressing device, the glue block is prevented from being melted through the cooling device, the glue conveying device is used for extracting and conveying the glue block, the temperature control glue pipe comprises an inner container, a heating layer and a heat insulation layer, the heated liquid glue can be used in reasonable time, and continuous glue supply is achieved.
Description
Technical Field
The invention relates to a hot melt adhesive sustainable supply device, and belongs to the technical field of adhesive dispensing.
Background
Pur (polyurethane reactive) is called moisture curing reaction type polyurethane hot melt adhesive (in the present case, hot melt adhesive for short) in chinese, and the main component is isocyanate-terminated polyurethane prepolymer. The PUR has adjustable adhesiveness and toughness (elasticity), and has excellent adhesive strength, temperature resistance, chemical resistance and aging resistance. Under the condition of inhibiting chemical reaction, the PUR is heated and melted into a solution so as to facilitate dispensing. Currently, the commonly used dispensing methods of the PUR include pneumatic dispensing, screw dispensing, striker spraying and piezoelectric spraying lamps, taking a striker type spraying valve as an example, an external syringe is used for supplying glue, and the striker lifts a glue material to fill the head of the needle; the firing pin falls down to eject the glue to the product, and continuous trace dispensing is realized through the high-speed circulation of the actions. However, the common problems of such dispensing methods are:
the glue is split charging and feeding in a tubular shape, so that the cost consumption of the rubber tube is high;
and (II) because of the problem of hydrothermal stability of the hot melt adhesive, one adhesive needs to be used within 6 hours after being heated. If not used up, the excess glue must be discarded; if the glue is continuously used, the performance of the glue is also influenced;
and thirdly, a large number of stations are used for a single product, and machine downtime caused by rubber tube replacement exists.
Disclosure of Invention
The present invention is directed to a sustainable hot melt adhesive supply apparatus that solves at least one of the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a continuous hot melt adhesive supply apparatus, comprising:
a fixed base;
the glue storage barrel is arranged on the fixed base and used for storing the glue blocks of the hot melt glue;
the glue pressing device is configured with the glue storage barrel and is used for sealing and gradually heating the glue blocks;
the glue conveying device is connected with the glue pressing device and used for extracting and conveying liquefied hot melt glue, and comprises a temperature control glue pipe, wherein the temperature control glue pipe comprises an inner container, a heating layer and a heat insulation layer;
the glue dispensing device is connected with the temperature control rubber tube and used for heating and spraying glue;
and the cooling device is arranged on the fixed base and used for reducing the heat transfer of the glue barrel and preventing the glue blocks from being over-melted.
As a further improved technical scheme, the temperature-control rubber hose sequentially comprises a flexible Teflon liner, an endless steel wire mesh sleeve, a flexible heating element, a heat-insulating protective sleeve layer, a heat-insulating material layer, a tightening sleeve protective sleeve layer and an outer layer heat-insulating material from inside to outside.
As a further improved technical scheme of the invention, the glue storage barrel comprises a cylindrical barrel body and a fixed platform tightly hooped on the barrel body, the fixed platform is arranged on the fixed base, and a rolling part is arranged on the fixed platform.
As a further improved technical scheme, the press-fitting device comprises a frame, a platform assembled on the frame, a driving piece driving the platform to move up and down, a pressure plate connected to the platform, a sealing ring configured on the pressure plate and a heating plate matched with the sealing ring.
As a further improved technical scheme of the invention, the rack comprises an upright post and a bearing plate supported by the upright post, the driving part is arranged on the bearing plate, and the driving part drives the platform to move up and down along the upright post.
As a further improved technical scheme of the invention, the frame comprises 4 upright columns arranged around the glue storage barrel, and four corners of the platform are respectively assembled on the 4 upright columns.
As a further improved technical scheme of the invention, the driving piece is an air cylinder.
As a further improved technical scheme, the glue conveying device comprises a glue pumping pump, a motor and the temperature control rubber tube, the glue pumping pump is installed on the pressure plate, the motor is installed on the platform, and one end of the temperature control rubber tube is connected with the glue pumping pump while the other end is connected with the glue dispensing device.
As a further improved technical scheme of the invention, the pressure plate, the sealing ring and the heating plate are respectively provided with a perforation communicated with the temperature control rubber tube.
As a further improved technical scheme of the invention, the cooling device comprises a layered cooling plate, a driving unit and a layered cooling control unit, and layered cooling control is realized.
As a further improved technical scheme of the invention, the glue dispensing device comprises a connecting valve and a glue spraying valve which are connected with each other, the connecting valve is connected with the temperature control rubber tube, and the glue spraying valve is provided with a heating element.
Compared with the prior art, the sustainable hot melt adhesive supply device has the beneficial effects that: the glue block in the glue storage barrel is sealed and gradually heated through the glue pressing device, the glue block is prevented from being melted through the cooling device, the glue conveying device is used for extracting and conveying the glue block, the temperature control glue pipe comprises an inner container, a heating layer and a heat insulation layer, the heated liquid glue can be used in reasonable time, and continuous glue supply is achieved.
Drawings
FIG. 1 is a schematic view showing the construction of the continuous hot melt adhesive supply apparatus according to the present invention.
FIG. 2 is a schematic view showing a partial structure of the continuous hot melt adhesive supply apparatus in accordance with the present invention.
Fig. 3 is a partial schematic view of fig. 2 from another angle.
FIG. 4 is a schematic view showing another partial structure of the continuous hot melt adhesive supply apparatus in accordance with the present invention.
FIG. 5 is a schematic sectional view of the temperature-controlled rubber hose of the continuous hot melt adhesive supply apparatus according to the present invention.
FIG. 6 is another schematic sectional view of the temperature-controlled hose of the continuous hot melt adhesive supply apparatus according to the present invention.
Detailed Description
Referring to fig. 1 to 6, a hot melt adhesive continuous supply apparatus 100 according to the present invention is disclosed.
Referring to fig. 1 and 2, the continuous hot melt adhesive supply apparatus 100 of the present invention comprises a fixed base 1, an adhesive storage barrel 2, an adhesive pressing device 3, an adhesive feeding device 4, an adhesive dispensing device 5, and a cooling device 7. The glue storage barrel 2 is fixed on the fixing base 1 and used for storing large glue blocks of hot melt glue, the press-fitting device 3 is used for sealing and gradually heating the glue blocks, the glue conveying device 4 is used for extracting and conveying liquefied glue (the glue blocks, the glue and the like are all hot melt glue in the text), and the glue dispensing device 5 is used for connecting an XYZ platform (not shown) to dispense glue. The cooling device 7 is used for reducing the heat transfer of the glue storage barrel 2 and preventing the glue blocks from being over-melted.
Referring to fig. 1 to 3, the glue storage barrel 2 includes a cylindrical barrel 21 and a fixing platform 22 tightly hooped on the barrel 21, the fixing platform 22 is installed on the fixing base 1, and the fixing platform 22 is provided with a fastening part 221 capable of opening and closing. When the barrel body 21 is installed, the fastening part 221 is opened, the whole barrel body 21 is placed in the fixed platform 22, and then the fastening part 221 is closed, so that the barrel body 21 is tightly clamped on the fixed base 1. When the barrel body 21 is replaced, the latch part 221 is opened first, the barrel body 21 is taken out, a new barrel body 21 is placed, and then the latch part 221 is closed.
Referring to fig. 1 to 3, the glue pressing device 3 includes a frame 31, a platform 32 assembled on the frame 31, a driving member 33 for driving the platform 32 to move up and down, a platen 34 connected to the platform 32, a sealing ring 35 disposed on the platen 34, and a heating plate 36 disposed in cooperation with the sealing ring 35. The rack 31 includes 4 columns 311 and a bearing plate 312 supported by the 4 columns 311. The 4 upright posts 311 are arranged around the glue storage barrel 2. The bottom end of the upright column 311 is fixed on the fixed base 1, and the top end is fixed on the bearing plate 312. The driving member 33 is mounted to the carrier plate 312. in one embodiment, the driving member 33 is a cylinder. Four corners of the platform 32 are respectively assembled on 4 upright columns 311, and the air cylinder drives the platform 32 to move up and down along the upright columns 311. The platform 32 is erected on the 4 upright posts 311, and the platform 32 is located between the glue storage barrel 2 and the bearing plate 312 at a vertical height. Platen 34 is connected to the platform and moves up and down with platform 32, and sealing ring 35 is sandwiched between platen 34 and heating plate 35. The air cylinder drives the platform 32 to move downwards, the pressure plate 34 moves downwards along with the platform and drives the sealing ring 35 to block the rubber blocks in the barrel body 21 from air, and sealing is completed. Heating plate 36 contacts the gluey piece in staving 21, heats the gluey piece through heating plate 36, and the gluey piece that preferentially contacts heating plate 36 can be followed solid-state change to liquid glue, and the gluey piece in staving 21 is divided into liquid, lotion and solid from far away to near for heating plate 36's state this moment.
Referring to fig. 1 to 3, the glue feeding device 4 includes a glue pump 41, a motor 42 and a temperature control hose 43. The glue pump 41 is arranged on the pressure plate 34, the motor 42 is arranged on the platform 32, and one end of the temperature control rubber tube 43 is connected with the glue device 5 connected with the other end of the glue pump 41. The glue pump 41 is driven by the motor 42 to vacuum and pump out the liquid glue. The dispensing device 5 includes a connecting valve 51 and a dispensing valve 52. The connecting valve 51 is connected with the other end of the temperature control rubber tube 43, and the connecting valve 51 is connected with the glue spraying valve 52. The heated liquid glue passes through the heating plate 36, the temperature-controlled hose 43 and the connecting valve 51 to the glue-spraying valve 52. The glue valve has a heating element and the glue is heated and sprayed through the glue valve 52. The pressure plate 34, the seal ring 35, and the heating plate 36 are provided with through holes (not shown) that communicate with the temperature control hose 43, respectively. In addition, the connecting valve 51 and the glue-spraying valve 52 are conventional in the industry and will not be described in detail herein.
Referring to fig. 5, the temperature-control rubber tube 43 includes an inner container 431, a heating layer 432 and an insulating layer 433, so as to realize the heat preservation and transportation of liquid glue, and thus, the flowing type and the glue thermal stability of the hot melt adhesive are controlled by designing and customizing the material, capacity, length and inner hole width of the temperature-control rubber tube 43, so that the glue heated by the glue storage barrel 2 can be used within a reasonable time, and finally, the purposes of continuous melting, transportation and glue spraying are achieved. In other embodiments, the inner container of the temperature-control rubber tube 43 has heating and heat-preserving effects, and the temperature-control rubber tube 43 can be only arranged as one layer; or the heating layer 432 and the insulating layer 433 are the same layer; or the inner container 431, the heating layer 432 and the insulating layer 433 are all arranged in one layer, two layers or multiple layers. In one embodiment, referring to fig. 6, the temperature-control rubber hose 43 sequentially comprises, from inside to outside, a flexible teflon liner 61, an endless steel wire mesh 62, a flexible heating element 63, a heat-insulating protective sheath layer 64, a heat-insulating material layer 65, a shrink sheath protective sheath layer 66, and an outer layer heat-insulating material 67. The flexible heating element 63 is a high-efficiency flexible heating element, the heat-insulating protective sleeve layer 64 is a high-strength heat-insulating protective sleeve layer, and the outer heat-insulating material 67 is an outer high-density heat-insulating material. The temperature control rubber tube 43 can well control the flowability and the thermal stability of the hot melt adhesive.
Referring to fig. 1 and 4, the cooling device 7 includes a layered cooling plate 71, a driving unit 72 which is an air cylinder, and a layered cooling control unit 73, wherein the layered cooling plate 71 is connected to the driving unit 72, the driving unit 72 drives the layered cooling plate 71 to slide on the fixed platform 22 to be close to or far away from the outer side of the barrel 21, and the layered cooling control unit 73 controls the layered cooling plate 71 in a layered manner so as to realize layered cooling control and prevent the excessive melting of the glue blocks.
Referring to fig. 1 to 4, the operation steps of the hot melt adhesive continuous supply apparatus 100 are as follows:
directly packaging and storing large-size adhesive block-shaped hot melt adhesive in an adhesive storage barrel 2;
step two, the driving unit 72 drives the layered cooling plate 71 to be tightly attached to the surface of the glue storage barrel 2, and the layered cooling control unit 73 prevents the glue blocks of the glue storage barrel 2 from being over-melted;
thirdly, the air cylinder is pressed down, and the hot melt adhesive blocks air through the sealing ring 35 to complete sealing;
step four, the glue blocks are heated through the heating plate 36, the glue blocks which preferentially contact the heating plate can be changed into liquid glue from a solid state, and the state of the hot melt adhesive in the glue storage barrel 2 is divided into liquid, paste and solid from near to far relative to the state of the heating plate;
step five, driving a glue pumping pump 41 through a motor 42 to pump the liquid glue out in vacuum and enter a temperature control rubber pipe 43;
step six, the heated liquid glue reaches a glue spraying valve 52 through a heating plate 36, a temperature control rubber tube 43 and a connecting valve 51;
and step seven, heating and spraying the glue through the glue spraying valve 52.
The advantages of the hot melt adhesive sustainable supply apparatus 100 of the present invention are as follows:
(1) the supply mode of hot melt adhesive changes the mode of tubiform gluey piece from the tubulose partial shipment into, can enough increase disposable memory space, also can reduce the consumptive material cost of rubber tube packing to practice thrift the cost.
(2) The solid glue block is gradually melted into liquid glue at a production matching rate by sealing and heating the solid glue, and the solid glue is gradually melted. The heating plate 36 melts the part contacted with the glue block into liquid glue, and at the moment, the glue liquid, paste and solid of the glue storage barrel 2 are in three states. The whole rubber block is controlled to be kept in a liquid state only about 5mm at the top, and the rest part is controlled to be over-melted by a layered cooling control unit 73 of the cooling device 7 according to the allowance of the rubber block in a layered mode, so that the control within a temperature range is guaranteed, and the influence of thermal stability is avoided.
(3) The flowing property and the glue thermal stability of the hot melt glue are controlled by designing and customizing the material, the capacity, the length and the inner hole width of the temperature control rubber tube 43, so that the glue heated by the glue storage barrel 2 can be used in a reasonable time, the continuous flow mode of melting, transmitting and spraying the glue is finally achieved, and the sustainable supply of the hot melt glue is realized.
The continuous hot melt adhesive supply device 100 of the invention seals and gradually heats the adhesive blocks in the adhesive storage barrel 2 through the adhesive pressing device 3, controls the cooling plate 72 through the layering of the cooling device 7 to prevent the excessive melting, extracts and conveys the liquid adhesive through the adhesive conveying device 3, and the temperature control adhesive pipe 43 comprises an inner container 431, a heating layer 432 and an insulating layer 433, so that the heated liquid adhesive can be used in a reasonable time, the continuous adhesive supply is realized, and the liquefaction of the adhesive blocks can be controlled to prevent the excessive melting.
The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical personnel in the technical field, such as the directional descriptions of "front", "back", "left", "right", "upper", "lower", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical personnel in the technical field can still make modifications or equivalent substitutions on the present invention, and all the technical solutions and modifications thereof without departing from the spirit and scope of the present invention should be covered in the claims of the present invention.
Claims (10)
1. A continuous hot melt adhesive supply apparatus (100), comprising:
fixed base (1):
the glue storage barrel (2) is arranged on the fixed base (1) and is used for storing a glue block of the hot melt glue;
the glue pressing device (3) is configured with the glue storage barrel (2) and is used for sealing and gradually heating the glue blocks;
the glue conveying device (4) is connected with the glue pressing device (3) and used for extracting and conveying liquefied hot melt glue, the glue conveying device (4) comprises a temperature control glue tube (43), and the temperature control glue tube (43) comprises an inner container (431), a heating layer (432) and a heat preservation layer (433);
the dispensing device (5) is connected with the temperature control rubber tube (43) and is used for heating and spraying rubber;
and the cooling device (7) is arranged on the fixed base (1) and used for reducing the heat transfer of the glue storage barrel (2) and preventing the glue blocks from being over-melted.
2. The continuous hot melt adhesive supply apparatus according to claim 1, wherein: the temperature control rubber tube (43) sequentially comprises a flexible Teflon liner (61), an endless steel wire mesh sleeve (62), a flexible heating element (63), a heat-insulating protective sleeve layer (64), a heat-insulating material layer (65), a tightening protective sleeve layer (66) and an outer layer heat-insulating material (67) from inside to outside.
3. The continuous hot melt adhesive supply apparatus according to claim 1, wherein: store up gluey bucket (2) and include cylinder type staving (21) and lock ring fixed platform (22) of staving (21), fixed platform (22) install in unable adjustment base (1), be provided with gyro wheel part (221) on fixed platform (22).
4. The continuous hot melt adhesive supply apparatus according to claim 1, wherein: the press fitting device (3) comprises a rack (31), a platform (32) assembled on the rack (31), a driving piece (33) for driving the platform to move up and down, a pressing plate (34) connected to the platform (32), a sealing ring (35) arranged on the pressing plate (34) and a heating plate (36) matched with the sealing ring (35) for setting.
5. The continuous hot melt adhesive supply apparatus according to claim 4, wherein: the rack (31) comprises a vertical column (311) and a bearing plate (312) supported by the vertical column (311), the driving piece (33) is installed on the bearing plate (311), and the driving piece (33) drives the platform (32) to move up and down along the vertical column (311).
6. The continuous hot melt adhesive supply apparatus according to claim 5, wherein: the frame (31) including set up in store up 4 stand (311) all around gluey bucket (2), the four corners of platform (32) is assembled respectively in 4 stand (311).
7. The continuous hot melt adhesive supply apparatus according to claim 4, wherein: send mucilage binding to put (4) including taking out gluey pump (41), motor (42) and accuse temperature rubber tube (43), take out gluey pump (41) install in on pressure disk (34), motor (42) install in on platform (32), accuse temperature rubber tube (43) one end is connected take out gluey pump (41) other end and connect dispensing device (5).
8. The continuous hot melt adhesive supply apparatus according to claim 7, wherein: and the pressure plate (34), the sealing ring (35) and the heating plate (36) are respectively provided with a through hole communicated with the temperature control rubber tube (43).
9. The continuous hot melt adhesive supply apparatus according to claim 1, wherein: adhesive deposite device (5) include interconnect's connecting valve (51), spout gluey valve (52) and discharge valve (53), connecting valve (51) are connected with accuse temperature rubber tube (43), discharge valve (53) are connected with connecting valve (51), spout gluey valve (52) and have heating element.
10. The continuous hot melt adhesive supply apparatus according to claim 1, wherein: the cooling device (7) comprises a layered cooling plate (71), a driving unit (72) and a layered cooling control unit (73), the driving unit (72) drives the layered cooling plate (71) to be attached to or away from the glue storage barrel (2), and the layered cooling control unit (73) controls the layered cooling plate (71) in a layered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010701795.4A CN111871719B (en) | 2020-07-17 | 2020-07-17 | Hot melt adhesive sustainable supply equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010701795.4A CN111871719B (en) | 2020-07-17 | 2020-07-17 | Hot melt adhesive sustainable supply equipment |
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| Publication Number | Publication Date |
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| CN111871719A true CN111871719A (en) | 2020-11-03 |
| CN111871719B CN111871719B (en) | 2021-12-10 |
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| CN202010701795.4A Active CN111871719B (en) | 2020-07-17 | 2020-07-17 | Hot melt adhesive sustainable supply equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| ES2928010A1 (en) * | 2021-05-11 | 2022-11-14 | Focke Meler Gluing Solutions S A | MELTING MACHINE FOR SOLID HEAT-FUEL PRODUCTS IN BLOCK FORM (Machine-translation by Google Translate, not legally binding) |
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|---|---|---|---|---|
| ES2928010A1 (en) * | 2021-05-11 | 2022-11-14 | Focke Meler Gluing Solutions S A | MELTING MACHINE FOR SOLID HEAT-FUEL PRODUCTS IN BLOCK FORM (Machine-translation by Google Translate, not legally binding) |
| WO2022238602A1 (en) * | 2021-05-11 | 2022-11-17 | Focke Meler Gluing Solutions, S.A. | Melting machine for solid hot-melt products in block form |
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|---|---|
| CN111871719B (en) | 2021-12-10 |
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