CN113085081A - Injection molding cooling device for ETC panel production - Google Patents
Injection molding cooling device for ETC panel production Download PDFInfo
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- CN113085081A CN113085081A CN202110345554.5A CN202110345554A CN113085081A CN 113085081 A CN113085081 A CN 113085081A CN 202110345554 A CN202110345554 A CN 202110345554A CN 113085081 A CN113085081 A CN 113085081A
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- injection molding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection molding cooling device for ETC panel production, which structurally comprises a molding mechanism, an injection molding device, a machine body and a hydraulic pipe, wherein the molding mechanism is fixedly embedded on the upper end surface of the machine body, the injection molding device is embedded and arranged right above the molding mechanism, the hydraulic pipe is fixedly embedded and arranged on the right side surface of the upper end of the machine body, and the hydraulic pipe is positioned on the right side of the molding mechanism.
Description
Technical Field
The invention belongs to the field of equipment for injection molding cooling, and particularly relates to an injection molding cooling device for producing an ETC panel.
Background
ETC production cooling arrangement that moulds plastics is one kind through placing the panel of treating processing in the mould below, fixes the back, fills plasticity hot melt liquid to the fixed point cavity department of mould through the mouth of moulding plastics, utilizes the cutting means to strike off unnecessary hot melt liquid that exposes on the mould surface afterwards.
Based on the findings of the inventor, the following defects mainly exist in the prior art, such as: because the hot melt is still in a high-temperature sticky state when being injected to the cavity of the mold, when the cutting tool is used for hanging and scraping redundant hot melt, the hot melt can be adhered to the surface of the cutting tool, and the hot melt is adhered to the surface of the mold to be cooled and solidified along with the embedding of the cutting tool during the secondary cutting of the belt, so that the blockage is formed.
It is therefore desirable to provide an injection molding cooling device for the production of ETC panels.
Disclosure of Invention
The problem of the above-mentioned technique because the hot melt is still thick in high temperature form when the cavity department of mould is being moulded plastics to the mould, make when scraping unnecessary hot melt through the cutting utensil, can adhere to the hot melt on the surface of cutting utensil, follow cutting utensil embedding again when the area is cut down, adhere to the mould surface cooling solidification, form the jam is solved.
The invention relates to an injection molding cooling device for ETC panel production, which is achieved by the following specific technical means: the injection molding machine structurally comprises a molding mechanism, an injection molding device, a machine body and a hydraulic pipe, wherein the molding mechanism is fixedly embedded on the upper end surface of the machine body; the molding mechanism comprises a cutting tool, a dragging plate and a die groove, the cutting tool is located on the right side of the die groove, the dragging plate is movably clamped and installed on the end face of the inner side of the die groove, and the die groove is fixedly installed on the surface of the upper end of the machine body.
Wherein, cutting utensil includes cutting blade, strikes off mechanism, activity groove, flexible pipe, cutting blade inlays solid the right side of installing at striking off the mechanism, strike off the left side that the mechanism is located flexible pipe, the flexible pipe is being connected to the block is inlayed to activity inslot medial surface, the right side terminal surface of flexible pipe inlays and links firmly hydraulic pressure pipe, cutting blade and the adjacent end face of striking off the mechanism personally submit the slope form, can effectively form the laminating.
The scraping mechanism comprises a nested pipe, a filling mechanism, a containing device and a bevel block, the nested pipe is movably clamped on the inner side end face of the scraping mechanism, the filling mechanism is fixedly embedded right above the nested pipe, the containing device is embedded in the left inner end face of the bevel block, the bevel block upper end face is fixedly connected with the nested pipe through welding, and the lower end face of the containing device is provided with a notch which runs through the bevel block to the left end face.
The filling mechanism comprises a closing plate, embedding and fixing plates, an air bag and balls, the closing plate is attached to and wraps the end face of the outer side of the air bag, the embedding and fixing plates are symmetrically installed at the upper end and the lower end of the closing plate, the air bag is connected with the end face of the inner side of the embedding and fixing plates in an embedding and attaching mode, the balls are movably clamped and installed on the end face of the inner side of the filling mechanism, and the closing plate is of an arc-shaped outer contour.
The closing plate comprises a repulsive magnetic strip, a spring, a rotating shaft and a plastic sheet, the repulsive magnetic strip is embedded in the inner side end face of the plastic sheet, the right side end face of the spring is embedded in the outer side end face of the plastic sheet, the rotating shaft is located on the right side of the spring, the upper end face and the lower end face of the plastic sheet are fixedly connected with an embedded plate, and the contour diameter of the plastic sheet is gradually reduced from left to right.
The storage device comprises a closing mechanism, a rubber sheet, a conical sheet and a rubber block, wherein the closing mechanism is located on the left side of the conical sheet, the rubber sheet is embedded and clamped to be connected with the conical sheet, the conical sheet is movably clamped to be installed on the outer side face of the lower end of the storage device, the rubber block is embedded and fixedly installed on the upper end surface of the conical sheet, and the connecting end of the rubber sheet and the conical sheet is in a closed shape.
The closing mechanism comprises an arc cavity, a closing piece, an expansion containing block and a limiting block, the arc cavity is embedded in the inner side end face of the closing mechanism, the closing piece is symmetrically installed on the right side of the expansion containing block, the expansion containing block is fixedly installed on the left side of the limiting block, the closing piece is connected to the upper end face of the limiting block in a fitting mode, and the inner contour of the closing piece is in a shape protruding from bottom to top.
Wherein, the piece is received in the inflation includes parcel shell, hollow port, locking strip, hollow sheet rubber, the parcel shell inlays the solid left side terminal surface of installing at the inflation piece of receiving, the left side of locating hollow sheet rubber is inlayed to hollow port, the locking strip is inlayed the block and is installed the left side terminal surface at hollow sheet rubber, hollow sheet rubber inlays the solid medial surface of installing at the parcel shell, the locking strip is equipped with two, and is the outside terminal surface that the spiral locking form was fixed respectively at hollow sheet rubber.
Compared with the prior art, the invention has the following beneficial effects:
1. because be equipped with the closure plate in the filling mechanism, when cutting blade outwards stretched out, can inwards extrude filling mechanism through nested pipe, the fixed plate of inlaying of both ends is transversely expanded after extrudeing the gasbag about making in the filling mechanism, outwards jack-up closure plate makes the closure plate use the pivot as the fulcrum and gathers together the swing under the elasticity of spring to shorten nested pipe and strike off the interval between the mechanism inner end.
2. Because the closed sheet is internally provided with the limiting block, the plastic solution in the arc cavity can be effectively prevented from being inwards unfolded to form backflow under the pressure of the self weight in the stacking process by utilizing the limiting performance of the limiting block.
Drawings
Fig. 1 is a schematic structural diagram of an injection molding cooling device for producing an ETC panel according to the present invention.
Fig. 2 is a schematic structural diagram of a molding mechanism of an injection molding cooling device for producing an ETC panel according to the present invention.
FIG. 3 is a schematic structural diagram of a cutting tool of an injection molding cooling device for producing an ETC panel according to the present invention.
Fig. 4 is a schematic structural diagram of a scraping mechanism of an injection molding cooling device for producing an ETC panel according to the present invention.
Fig. 5 is a schematic structural diagram of a filling mechanism of an injection molding cooling device for producing an ETC panel according to the present invention.
FIG. 6 is a schematic structural view of an injection molding cooling device closure plate produced by an ETC panel of the present invention.
Fig. 7 is a schematic structural diagram of an injection molding cooling device accommodating device for production of an ETC panel according to the present invention.
Fig. 8 is a schematic structural diagram of a closing mechanism of an injection molding cooling device for producing an ETC panel according to the present invention.
Fig. 9 is a schematic structural view of an expansion receiving block of an injection molding cooling device for producing an ETC panel according to the present invention.
In the figure: a molding mechanism-1, an injection molding machine-2, a machine body-3, a hydraulic pipe-4, a cutting tool-11, a dragging plate-12, a mold groove-13, a cutting blade-111, a scraping mechanism-112, a movable groove-113, a telescopic pipe-114, a nested pipe-121, a filling mechanism-122, a containing device-123, an inclined plane block-124, a closing plate-221, a fixing plate-222, an air bag-223, a ball-224, a repellent magnetic strip-211, a spring-212, a rotating shaft-213, a plastic sheet-214, a closing mechanism-231, a rubber sheet-232, a conical sheet-233, a rubber sheet-234, a circular arc cavity-311, a closing sheet-312, an expansion containing block-313, a limiting block-314, a wrapping shell-131, a plastic sheet-314, a plastic sheet-123, a, Hollow port-132, locking strip-133 and hollow rubber sheet-134.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in figures 1 to 6:
the invention provides an injection molding cooling device for ETC panel production, which structurally comprises a molding mechanism 1, an injection molding device 2, a machine body 3 and a hydraulic pipe 4, wherein the molding mechanism 1 is fixedly embedded on the upper end surface of the machine body 3, the injection molding device 2 is embedded and arranged right above the molding mechanism 1, the hydraulic pipe 4 is fixedly embedded and arranged on the right side surface of the upper end of the machine body 3, and the hydraulic pipe 4 is positioned on the right side of the molding mechanism 1; the molding mechanism 1 comprises a cutting tool 11, a dragging plate 12 and a die groove 13, wherein the cutting tool 11 is positioned at the right side of the die groove 13, the dragging plate 12 is movably clamped and installed on the end surface of the inner side of the die groove 13, and the die groove 13 is fixedly installed on the upper end surface of the machine body 3.
The cutting tool 11 includes a cutting blade 111, a scraping mechanism 112, a movable groove 113, and an extension tube 114, the cutting blade 111 is fixedly embedded at the right side of the scraping mechanism 112, the scraping mechanism 112 is located at the left side of the extension tube 114, the inner end surface of the movable groove 113 is fixedly embedded and engaged with the extension tube 114, the right end surface of the extension tube 114 is fixedly embedded and engaged with the hydraulic tube 4, the adjacent end surfaces of the cutting blade 111 and the scraping mechanism 112 are inclined, so that the adhesion can be effectively formed, and when the cutting blade 111 extends outwards to scrape the excessive solution and contracts inwards again, the scraping mechanism 112 can strip the plastic solution attached to the left end surface of the cutting blade 111.
The scraping mechanism 112 comprises a nested tube 121, a filling mechanism 122, a containing device 123 and an inclined plane block 124, the nested tube 121 is movably clamped and installed on the inner side end face of the scraping mechanism 112, the filling mechanism 122 is embedded and installed right above the nested tube 121, the containing device 123 is embedded and arranged on the inner end face of the left side of the inclined plane block 124, the upper end face of the inclined plane block 124 is fixedly connected with the nested tube 121 through welding, a gap is formed in the lower end face of the containing device 123 and penetrates through the lower end face to the left end face, and when the cutting blade 111 contracts, plastic solution attached to the surface of the lower end face can be effectively scraped.
The filling mechanism 122 comprises a closing plate 221, embedded plates 222, air bags 223 and balls 224, the closing plate 221 is attached to and wraps the outer end face of the air bag 223, the embedded plates 222 are symmetrically installed at the upper end and the lower end of the closing plate 221, the air bags 223 are connected with the inner end face of the embedded plates 222 in an embedded and attaching mode, the balls 224 are movably installed on the inner end face of the filling mechanism 122 in an embedded and attaching mode, the closing plate 221 is of an arc-shaped outer contour, when the embedded plates 222 press the air bags 223 inwards, the distance between the embedded plates 222 and the end faces of the air bags 223 is expanded outwards, and the height of the embedded tubes 121 and the inner end face of the scraping mechanism 112 is shortened.
The closing plate 221 comprises a repelling magnetic stripe 211, a spring 212, a rotating shaft 213 and a plastic sheet 214, wherein the repelling magnetic stripe 211 is embedded in the inner side end face of the plastic sheet 214, the right side end face of the spring 212 is embedded in the outer side end face of the plastic sheet 214, the rotating shaft 213 is located on the right side of the spring 212, the upper end face and the lower end face of the plastic sheet 214 are fixedly connected with an embedding and fixing plate 222, the contour diameter of the plastic sheet 214 becomes thinner gradually from left to right, and the rotating shaft 213 can bear more force when the embedding and fixing plate 222 extrudes the air bag 223 inwards.
The specific use mode and function of the embodiment are as follows:
in the invention, in use, an ETC plate needing injection molding is placed on a dragging plate 12 in a molding mechanism 1, then the ETC plate is pushed inwards to be embedded into a mold groove 13, a plastic solution is injected to the upper end surface of the mold groove 13 by an injector 2, the solution is fixed on the surface of the ETC plate through a fixed cavity in the mold groove 13, in order to avoid that the solution is attached to the surface of a cutting tool 11 and drops to the mold groove 13 again in the process of cutting excess materials by the cutting tool 11, a scraping mechanism 112 is arranged, a filling mechanism 122 in the scraping mechanism 112 is used for enabling the scraping mechanism 112 to be integrally attached to the surface of a cutting blade 111, when the cutting blade 111 contracts inwards, the plastic solution attached to the surface of the cutting blade is scraped, and because a closing plate 221 is arranged in the filling mechanism 122, when the cutting blade 111 extends outwards, the filling mechanism 122 is pressed inwards by a nesting pipe 121, the embedding plates 222 at the upper and lower ends in the filling mechanism 122 extrude the air bag 223 to expand transversely, and push up the closing plate 221 outwards, so that the closing plate 221 is gathered and swung under the elasticity of the spring 212 by taking the rotating shaft 213 as a fulcrum, and the distance between the embedded pipe 121 and the inner end of the scraping mechanism 112 is shortened.
Example 2:
as shown in fig. 7 to 9:
wherein, storage device 123 includes closing mechanism 231, sheet rubber 232, toper piece 233, block rubber 234, closing mechanism 231 is located the left side of toper piece 233, the block rubber 232 is inlayed the block and is being connected toper piece 233, toper piece 233 movable clamping is installed at storage device 123's lower extreme lateral surface, block rubber 234 is inlayed the solid upper end surface of installing at toper piece 233, the link of sheet rubber 232 and toper piece 233 is for closed form, can effectively avoid when scraping off plastic solution through toper piece 233, and solution enters into between the terminal surface of toper piece 233 and storage device 123.
Wherein, closing mechanism 231 includes circular arc cavity 311, closure piece 312, inflation and accomodates piece 313, stopper 314, the medial surface of closing mechanism 231 is inlayed and is located to circular arc cavity 311, closure piece 312 symmetry is installed in the right side of inflation and accomodates piece 313, inflation is accomodate piece 313 and is inlayed the fixed left side of installing at stopper 314, closure piece 312 is being connected in the laminating of stopper 314 up end, closure piece 312's interior profile is from the supreme protruding form down, through the laminating mutually with stopper 314, can effectively avoid plastic solution to form the refluence in circular arc cavity 311.
Wherein, the piece 313 is accomodate in the inflation includes parcel shell 131, hollow port 132, locking strip 133, hollow sheet rubber 134, parcel shell 131 inlays the left side terminal surface of installing at the piece 313 is accomodate in the inflation, hollow port 132 inlays the left side of locating hollow sheet rubber 134, the left side terminal surface at hollow sheet rubber 134 is installed to the block is inlayed to locking strip 133, hollow sheet rubber 134 inlays the medial surface of installing at parcel shell 131, locking strip 133 is equipped with two, and is the spiral locking form and fixes respectively at the outside terminal surface of hollow sheet rubber 134, can open the left side terminal surface of hollow sheet rubber 134 through rotatory independent locking strip 133.
The specific use mode and function of the embodiment are as follows:
when the scraping mechanism 112 scrapes off the plastic solution attached to the surface of the cutting blade 111, because the tapered sheet 233 and the closing mechanism 231 are arranged in the receiving device 123, when the cutting blade 111 contracts inwards, the plastic solution attached to the surface of the cutting blade can be scraped along with the raised tapered sheet 233, the solution at the front end can extrude the closing sheet 312 in the closing mechanism 231 inwards under the continuous pushing of the solution at the rear end, so that the closing sheet 312 is opened upwards and then flows into the hollow rubber sheet 134 in the expansion receiving block 313 along the circular arc cavity 311, the solution is continuously filled into the hollow rubber sheet 134, so that the outer contour of the hollow rubber sheet 134 is gradually enlarged, finally, the solution in the hollow rubber sheet 134 can be discharged outwards in a mode of twisting the locking strip 133, because the limiting block 314 is arranged in the closing sheet 312, the limiting performance of the limiting block 314 is utilized, so that the plastic solution in the circular arc cavity 311 is accumulated, the reverse flow formed by the inward expansion of the closing sheet 312 under the pressure of the self weight can be effectively avoided.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (8)
1. An injection molding cooling device for ETC panel production structurally comprises a molding mechanism (1), an injection molding device (2), a machine body (3) and a hydraulic pipe (4), wherein the molding mechanism (1) is fixedly embedded in the upper end surface of the machine body (3), the injection molding device (2) is embedded in the molding mechanism (1), the hydraulic pipe (4) is fixedly embedded in the right side surface of the upper end of the machine body (3), and the hydraulic pipe (4) is located on the right side of the molding mechanism (1); the method is characterized in that:
the shaping mechanism (1) comprises a cutting tool (11), a dragging plate (12) and a die groove (13), wherein the cutting tool (11) is located on the right side of the die groove (13), the dragging plate (12) is movably clamped and installed on the inner side end face of the die groove (13), and the die groove (13) is fixedly installed on the upper end surface of the machine body (3).
2. An injection molding cooling device for ETC panel production according to claim 1, wherein: cutting utensil (11) include cutting blade (111), scrape off mechanism (112), activity groove (113), flexible pipe (114), cutting blade (111) are embedded solid and are installed in the right side of scraping off mechanism (112), scrape off mechanism (112) and be located the left side of flexible pipe (114), flexible pipe (114) are being connected to activity groove (113) medial surface embedding block, the right side terminal surface embedding of flexible pipe (114) is linking firmly hydraulic pipe (4).
3. An injection molding cooling device for ETC panel production according to claim 2, characterized in that: scraping mechanism (112) are including nested pipe (121), filling mechanism (122), storage device (123), inclined plane piece (124), nested pipe (121) activity block is installed at scraping mechanism's (112) medial surface, filling mechanism (122) inlay solid and install directly over nested pipe (121), storage device (123) are inlayed and are located the left side inner end face of inclined plane piece (124), the upper end face of inclined plane piece (124) is connecting nested pipe (121) through welded fastening.
4. An injection molding cooling device for ETC panel production according to claim 3, wherein: the filling mechanism (122) comprises a closing plate (221), an embedding plate (222), an air bag (223) and balls (224), wherein the closing plate (221) is attached to and wrapped on the outer end face of the air bag (223), the embedding plate (222) is symmetrically installed at the upper end and the lower end of the closing plate (221), the air bag (223) is embedded, attached and connected with the inner side end face of the embedding plate (222), and the balls (224) are movably clamped and installed on the inner side end face of the filling mechanism (122).
5. An injection molding cooling device for ETC panel production according to claim 4, wherein: the closing plate (221) comprises a repelling magnetic strip (211), a spring (212), a rotating shaft (213) and a plastic sheet (214), the repelling magnetic strip (211) is embedded in the inner side end face of the plastic sheet (214), the outer side end face of the plastic sheet (214) is embedded in the right side end face of the spring (212), the rotating shaft (213) is located on the right side of the spring (212), and the upper end face and the lower end face of the plastic sheet (214) are fixedly connected with an embedded plate (222).
6. An injection molding cooling device for ETC panel production according to claim 3, wherein: storage device (123) are including closing mechanism (231), sheet rubber (232), toper piece (233), block rubber (234), closing mechanism (231) are located the left side of toper piece (233), the block rubber (232) are inlayed the block and are being connected toper piece (233), toper piece (233) activity block is installed at the lower extreme lateral surface of storage device (123), block rubber (234) are inlayed the solid upper end surface of installing at toper piece (233).
7. An injection molding cooling device for ETC panel production according to claim 6, wherein: the closing mechanism (231) comprises an arc cavity (311), a closing piece (312), an expansion receiving block (313) and a limiting block (314), the arc cavity (311) is embedded in the inner side end face of the closing mechanism (231), the closing piece (312) is symmetrically installed on the right side of the expansion receiving block (313), the expansion receiving block (313) is fixedly installed on the left side of the limiting block (314), and the upper end face of the limiting block (314) is connected with the closing piece (312) in a fitting mode.
8. An injection molding cooling device for ETC panel production according to claim 7, wherein: the inflation is received block (313) and is included parcel shell (131), hollow port (132), locking strip (133), hollow sheet rubber (134), the left side terminal surface of receiving block (313) in the inflation is installed in parcel shell (131) embedded solid, the left side of locating hollow sheet rubber (134) is inlayed in hollow port (132), the left side terminal surface at hollow sheet rubber (134) is installed in the block is inlayed in locking strip (133), the medial surface at parcel shell (131) is inlayed solid in hollow sheet rubber (134).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110345554.5A CN113085081A (en) | 2021-03-31 | 2021-03-31 | Injection molding cooling device for ETC panel production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110345554.5A CN113085081A (en) | 2021-03-31 | 2021-03-31 | Injection molding cooling device for ETC panel production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113085081A true CN113085081A (en) | 2021-07-09 |
Family
ID=76671354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110345554.5A Withdrawn CN113085081A (en) | 2021-03-31 | 2021-03-31 | Injection molding cooling device for ETC panel production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113085081A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992000840A1 (en) * | 1990-07-09 | 1992-01-23 | Paige Manufacturing, Inc. | Insert molding for non-rigid encapsulated components |
| CN206221891U (en) * | 2016-11-15 | 2017-06-06 | 中建八局第四建设有限公司 | A kind of duct closing type device |
| CN111389631A (en) * | 2020-04-30 | 2020-07-10 | 陈国荣 | Paint sprayer |
| CN112476958A (en) * | 2020-10-28 | 2021-03-12 | 徐智勇 | Multi-layer injection molding cooling equipment for compensation chain |
-
2021
- 2021-03-31 CN CN202110345554.5A patent/CN113085081A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992000840A1 (en) * | 1990-07-09 | 1992-01-23 | Paige Manufacturing, Inc. | Insert molding for non-rigid encapsulated components |
| CN206221891U (en) * | 2016-11-15 | 2017-06-06 | 中建八局第四建设有限公司 | A kind of duct closing type device |
| CN111389631A (en) * | 2020-04-30 | 2020-07-10 | 陈国荣 | Paint sprayer |
| CN112476958A (en) * | 2020-10-28 | 2021-03-12 | 徐智勇 | Multi-layer injection molding cooling equipment for compensation chain |
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Application publication date: 20210709 |
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| WW01 | Invention patent application withdrawn after publication |