CN104162946A - Mould for forming integrally sprayed and formed heat insulation member of refrigeration equipment - Google Patents
Mould for forming integrally sprayed and formed heat insulation member of refrigeration equipment Download PDFInfo
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- CN104162946A CN104162946A CN201310183251.3A CN201310183251A CN104162946A CN 104162946 A CN104162946 A CN 104162946A CN 201310183251 A CN201310183251 A CN 201310183251A CN 104162946 A CN104162946 A CN 104162946A
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Abstract
The invention discloses a mould for forming an integrally sprayed and formed heat insulation member of refrigeration equipment. The mould comprises an upper mould, a lower mound cooperating with the upper mould, and a mould locking mechanism for locking the upper mould and the lower mould; the cavity shape of the upper mould is matched with the partial shell shape of the heat insulation member of refrigeration equipment so that a shell which comprises part of heat insulation foaming cavities and is made of a rigid polymer material can be sprayed and formed in the upper mould; and the cavity shape of the lower mould is matched with the rest shell shape of the heat insulation member of refrigeration equipment so that a shell which comprises the rest heat insulation foaming cavities and is made of the rest rigid polymer material can be sprayed and formed in the lower mould. Only one mould can form a shell and a foaming heat insulation layer through spraying and forming through the provided mould, the preparation technology is simplified, the production efficiency is improved, and the production cost is reduced.
Description
Technical field
The present invention relates to mould, relate in particular to a kind of mould for one spray mo(u)lding refrigerating equipment heat preservation component.
Background technology
The heat preservation components such as traditional refrigerator body or Men Ti generally comprise: heat insulation inner core, metal shell and non-metallic inner liner, in preparation technology, metal shell and non-metallic inner liner are fitted together in advance by package.The preparation method of this refrigerator body or door body generally comprises following steps: 1, prepare metal shell (be generally that steel plate obtains by bending, punching press, stainless steel need pass through wire drawing, polishing, overlay film or the processing of dusting in addition); 2, preparation non-metallic inner liner: non-metallic inner liner is generally polystyrene (PS) material, conventionally adopts the method moulding of vacuum forming, obtains non-metallic inner liner through cutting; 3, use package that metal shell and non-metallic inner liner are fixed together; 4, heat insulation inner core is prepared in foaming: in the cavity forming, inject foamed material between the non-metallic inner liner fixing and metal shell, foaming heat insulation inner core under suitable temperature and pressure condition.
The heat preservation components such as above-mentioned refrigerator door or casing exist needs package, and appearance seam is many, and sealing effectiveness is poor, need to pre-install step during manufacture, and operation is many, the shortcoming that production cost is high, and also the refrigerator door making is heavier, and transportation, assembling are all inconvenient.
Inventor finds in putting into practice the process of prior art, if can adopt the one-body molded refrigerator door of nonmetallic materials or casing, not only quality is light, good airproof performance, and very convenient transportation and assembling.But prior art still lacks the mould of one-body molded nonmetal refrigerator door or casing.
Summary of the invention
An object of the present invention is to provide a kind of mould for one spray mo(u)lding refrigerating equipment heat preservation component.
Mould for one spray mo(u)lding refrigerating equipment heat preservation component of the present invention, comprises patrix and the counterdie coordinating with patrix, and,
Be used for the matched mould locking mechanism of upper die and lower die matched moulds;
The die cavity shape of described patrix and the partial shell shape of refrigerating equipment heat preservation component adapt and with spray mo(u)lding therein, comprise the partially rigid macromolecular material housing in part thermal insulation foaming chamber; The die cavity shape of described counterdie and the remainder hull shape of heat preservation component adapt and with spray mo(u)lding therein, comprise the remainder rigid macromolecule material housing in remainder thermal insulation foaming chamber.
Mould for one spray mo(u)lding refrigerating equipment heat preservation component of the present invention, can be in patrix spray mo(u)lding partial shell, spray mo(u)lding remainder housing in counterdie, and can spray into foamed material in the housing after moulding, shaping foam insulation internal layer.To sum up, as seen by the mould for one spray mo(u)lding refrigerating equipment heat preservation component of the present invention, can spray mo(u)lding shell, again can foaming insulating foam layer, and by this one spray mo(u)lding mould, can be one-body molded go out heat preservation component, simplified the preparation technology of heat preservation component, improved production efficiency, reduced production cost, the heat preservation component molding is without assembly and package, high insulating effect, quality is light, production cost low and
Accompanying drawing explanation
Fig. 1 is for the main TV structure schematic diagram of the mould of one spray mo(u)lding refrigerating equipment heat preservation component in the embodiment of the present invention;
Fig. 2 is for the plan structure schematic diagram of the mould of one spray mo(u)lding refrigerating equipment heat preservation component in the embodiment of the present invention;
Fig. 3 is for the left TV structure schematic diagram of the mould of one spray mo(u)lding refrigerating equipment heat preservation component in the embodiment of the present invention;
Fig. 4 is the A-A cross section view of Fig. 1;
Fig. 5 is the B-B cross section view of Fig. 1;
Fig. 6 is the C-C cross section view for Fig. 1;
Fig. 7 is the structural representation of snap close in the embodiment of the present invention.
In figure, mark is illustrated as: 01-counterdie; 02-patrix; 03-the first parting handle support component; 04-the first parting handle; 05-the first parting handle bearing pin; First minute mode slider of 06-; 07-handle; 08-turns over mould handle; 09-snap close; 10-inserts alignment pin nut; 11-inserts alignment pin; 12-ejection slider cover plate; 13-ejects double-screw bolt; 14-ejection slider; 15-the second parting bearing pin; 16-inserts; 17-dop; 18-snap ring; 19-snap ring limiting component; 20-the first parting bearing pin; 21-the second parting handle support component; 22-the second parting handle; 23-the second parting handle bearing pin.
The specific embodiment
Below in conjunction with embodiment, technical scheme of the present invention is further described.
Embodiment 1
Referring to Fig. 1-6, the present embodiment provides a kind of mould for one spray mo(u)lding refrigerating equipment heat preservation component,
Comprise patrix 02 and the counterdie 01 coordinating with patrix 02, and,
Be used for the matched mould locking mechanism of patrix 02 and counterdie 01 matched moulds;
The die cavity shape of described patrix 02 and the partial shell shape of refrigerating equipment heat preservation component (as the shell of heat preservation component) adapt and with spray mo(u)lding therein, comprise the partially rigid macromolecular material housing in part thermal insulation foaming chamber; The die cavity shape of described counterdie 01 and the remainder hull shape of heat preservation component (as the liner of heat preservation component) adapt and with spray mo(u)lding therein, comprise the remainder rigid macromolecule material housing in remainder thermal insulation foaming chamber.Described housing is the seamless rigid macromolecule material layer (seamless finger is without assembly, prepackage property etc.) that is coated on foamed heat insulating internal layer periphery, can show as shell and the liner of casing or door body.
The mould for one spray mo(u)lding refrigerating equipment heat preservation component of the present embodiment, can be in patrix 02 spray mo(u)lding partial shell, spray mo(u)lding remainder housing in counterdie 01, and can in the housing after moulding, spray into foamed material, shaping foam insulation internal layer.To sum up, as seen by the mould for one spray mo(u)lding refrigerating equipment heat preservation component of the present invention, can spray mo(u)lding shell, again can foaming insulating foam layer, and by this one spray mo(u)lding mould, can be one-body molded go out heat preservation component, simplified the preparation technology of heat preservation component, improved production efficiency, reduced production cost, the heat preservation component molding is without assembly and package, high insulating effect, quality is light, and production cost is low.
The mould for one spray mo(u)lding refrigerating equipment heat preservation component of the present embodiment, can in patrix 02 and counterdie 01, distinguish after spray mo(u)lding housing, in housing in patrix 02 or counterdie 01, inject foamed material, then matched moulds foaming thermal insulation foaming internal layer, also can in patrix 02 and counterdie 01, distinguish after spray mo(u)lding housing, first matched moulds, injects foamed material foaming foamed heat insulating internal layer in the cavity then forming toward two housing sections.
In the present embodiment, for the ease of patrix 02 and counterdie 01 are separated, optional, the mould of the spray coating foaming molded heat insulation parts of the present embodiment also comprises the parting mechanism for upper die and lower die are separated; For the ease of the heat preservation component of forming is departed from from patrix 02 or counterdie 01, the mould of the spray coating foaming molded heat insulation parts of the present embodiment is for departing from the heat preservation component of forming the mould emptier of upper die and lower die.
In the present embodiment, optionally, for when the matched moulds, convenient by patrix 02 and counterdie 01 locking, described matched mould locking mechanism comprises a plurality of snap closes 09, and each snap close 09 includes dop 17 and locking ring device, described dop 17 is arranged on patrix 02 or counterdie 01, described locking ring device correspondence is arranged on counterdie 01 or patrix 02, to coordinate with described dop 17, realizes the locking of patrix 02 and counterdie 01.
In the present embodiment, optionally, in order to make patrix 02 more evenly moderate with the coupling mechanism force of counterdie 01, obtain more firmly locking effect, prepare the heat preservation component that quality is higher, described matched mould locking mechanism comprises 4 snap closes 09, and near patrix 02 and four turnings of counterdie 01 cooperation place, arranges respectively.The snap close 09 of 6 snap closes 09 or 8 snap closes 09 or other number also can be set certainly.
In the present embodiment, for convenient, patrix 02 and counterdie 01 are locked, described locking ring device comprises snap ring 18 and snap ring limiting component 19, and the corresponding dop 17 of described snap ring limiting component 19 is arranged on patrix 02 or counterdie 01.Then, described snap ring 18 is connected with snap ring limiting component 19.Correspondence herein refers to, if dop 17 is arranged on patrix 02, snap ring limiting component 19 is arranged on counterdie 01 so, so that snap ring 18 can match with dop 17, if dop 17 is arranged on counterdie 01, snap ring limiting component 19 is arranged on patrix 02 so, so that snap ring 18 can match with dop 17, patrix 02 and counterdie 01 is locked in together.
In the present embodiment, optional, also comprise that described insert-positioning mechanism is arranged on patrix or counterdie for locating the insert-positioning mechanism of inserts, and part extend in die cavity.So arrange, when forming the heat preservation component of inserts, inserts can be inserted in die cavity, by insert-positioning mechanism, inserts is positioned and fixed.Because inserts can support heat preservation component, and is provided with hinge joining means on inserts, can connect hinge etc. by inserts, therefore,, by the mould of the present embodiment, can mold the heat preservation component that structure is more stablized, is easy to connect hinge.
In the present embodiment, optionally, for in forming process, inserts 16 is better located and fixed, described insert-positioning mechanism comprises two insert positioning devices, and described two insert positioning device correspondences are arranged at the both sides of patrix 02 or counterdie 01, and the two ends of inserts are fixed respectively, fixing more firm, inserts is difficult for mobile in the forming process of heat preservation component.Certainly, three or four insert positioning devices also can be set, take two as optimum, not only can fixedly positioning and fix, also make the simple in structure of mould.
In the present embodiment, optionally, described insert positioning device comprises inserts alignment pin 11 and inserts alignment pin nut 10, described inserts alignment pin nut 10 is fixed on patrix 02 or counterdie 01, and described inserts alignment pin 11 extend in the die cavity of patrix 02 or counterdie 01 through described inserts alignment pin nut 10.The object that inserts alignment pin nut 10 is set is that inserts alignment pin 11 is fixed, and inserts alignment pin 11 is connected with inserts by helicitic texture, and inserts 16 is positioned and fixed.
In the present embodiment, for more convenient parting, optional, described parting mechanism comprises the first parting mechanism and the second parting mechanism;
Described the first parting mechanism is arranged at a side of patrix 02 and counterdie 01 matching part, and described the second parting mechanism is also arranged at the matching part of patrix 02 and counterdie 01, and is arranged at the opposite side of the first parting mechanism.So that when parting, on the relative both sides of patrix 02 or counterdie 01, patrix 02 or counterdie 01 are applied to power, so that patrix 02 separates more easily with counterdie 01 simultaneously.
In the present embodiment; optionally; for parting more easily; described the first parting mechanism comprises the first parting handle 04, the first parting handle support component 03 and first minute mode slider 06; described the first parting handle support component 03 is fixed on patrix 02 or counterdie 01; described the first parting handle 04 and the first parting handle support component 03 are rotationally connected, being fixed on counterdie 02 or patrix 01 of described first minute mode slider 06 correspondence, and can contact with one end of the first parting handle 04.Wherein, described " being fixed on counterdie 02 or patrix 01 of described first minute mode slider 06 correspondence; " refer to; if the first parting handle support component 03 is arranged on patrix 02; within so described first minute, mode slider 06 is arranged on counterdie 01; if the first parting handle support component 03 is arranged on counterdie 02, within described first minute, mode slider 06 is arranged on patrix 02.So arrange; when pulling the first parting handle 04; the first parting handle 04 be take the first parting handle bearing pin 05 as axle rotation; the lower end of the first parting handle 04 promotes first minute mode slider 06; make first minute mode slider 06 drive patrix 02 away from counterdie 01; or drive counterdie 01 away from patrix 02, realize the parting of patrix 02 and counterdie 01.
Described the second parting mechanism comprises the second parting handle 22, the second parting handle support component 21, second minute mode slider (not shown); described the second parting handle support component 21 is fixed on patrix 02 or counterdie 01; described the second parting handle 22 and the second parting handle support component 21 are rotationally connected; corresponding being fixed on counterdie 02 or patrix 01 of mode slider in described second minute, and can contact with one end of the first parting handle 04.The operation principle of described the second parting mechanism is with the first parting mechanism
In the present embodiment; optionally; described the first parting handle support component 03 comprise two the first side plates with for being connected the first connecting plate of the first side plate; on described two the first side plates, be relatively set with respectively the first stopper slot; and the uncovered setting in the outer end of the first stopper slot, the two ends of described first minute mode slider are provided with and can be matched with in described the first stopper slot so that first minute mode slider carried out to the first spacing parting bearing pin.So that, at patrix 02, with counterdie 01 during at matched moulds, both are carried out spacing, avoid coordinating dislocation.
In the present embodiment; optionally; described the second parting handle support component comprise two the second side plates with for being connected the connecting plate of the second side plate; on described two the second side plates, be relatively set with respectively the second stopper slot; and the sealing of the outer end of the second stopper slot arranges, the two ends of described second minute mode slider are provided with and can be matched with in described the second stopper slot so that second minute mode slider carried out to the second spacing parting bearing pin.So arrange; when parting; the patrix 02 at the first parting mechanism place can be completely separated with counterdie 01; and the patrix 02 at the second parting mechanism place and counterdie 01 can only a separated segment distance after; patrix 02 just be take the second parting bearing pin 15 as axle rotates with counterdie 01, and patrix 02 and counterdie 01 are raised from being provided with a side of the first parting mechanism.Like this, when the upper once moulding of carrying out heat preservation component, can more conveniently carry out more accurately matched moulds.
In the present embodiment; optionally; in order more easily the heat preservation component of moulding to be deviate from from patrix 02 and counterdie 01; described mould emptier comprises a plurality of demoulding assemblies; described demoulding assembly comprises ejection slider 14, ejection slider cover plate 12 and ejects double-screw bolt 13; described ejection slider 14 is slidably embedded in patrix 02 or counterdie 01, and the inner is exposed in die cavity, and described ejection slider cover plate 12 is placed on the outer end of ejection slider 14 and fixing with ejection slider 14 by ejecting double-screw bolt 13.When the demoulding, rotation ejects a pile post 13, makes it to advance to ejection slider 14 directions, and because it can give ejection slider 14 1 to the power in die cavity, ejection slider 14 is just advanced in die cavity, and the heat preservation component of moulding is ejected, and realizes the demoulding of ejector member.A plurality of demoulding assemblies are set, can more easily the heat preservation component of moulding be deviate from.
In the present embodiment, optional, for the ease of making patrix 02 separated with counterdie 01, the upper surface of described patrix 02 is provided with the handle 07 for patrix 02 is lifted; And/or described patrix 02 end is also provided with and turns over mould handle 08 for what stir patrix 02.
In the present embodiment, optional, described heat preservation component is refrigerating equipment door body.Described refrigerating equipment can be refrigerator, refrigerator-freezer or ice etc.
For example the course of work of the mould for one spray mo(u)lding refrigerating equipment heat preservation component in the present embodiment is described below:
(1) first in patrix 02, adopt spraying reaction moulding technological forming liner;
(2) in counterdie 01, adopt spraying reaction moulding technological forming shell;
(3) in counterdie 01 or patrix 02 by insert-positioning mechanism by inserts fixedly (if the heat preservation component of moulding without insert, this step can be omitted) in the die cavity of counterdie 01 or patrix 02;
(4) in counterdie 01, inject foamed material;
(5) patrix 02 and counterdie 01 are combined together, with matched mould locking mechanism locking, foamed material foamed solidification;
(6), after having solidified, with parting mechanism, patrix 02 and counterdie 01 are separated;
(7) utilize mould emptier the heat preservation component of forming to be ejected to the forming process that completes heat preservation component.
For the ease of understanding technical scheme of the present invention, only listed a kind of course of work of mould for one spray mo(u)lding refrigerating equipment heat preservation component in the present embodiment above, can certainly adopt other the course of work, at this, another does not repeat.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (13)
1. for a mould for one spray mo(u)lding refrigerating equipment heat preservation component, it is characterized in that, comprise patrix and the counterdie coordinating with patrix, and,
Be used for the matched mould locking mechanism of upper die and lower die matched moulds;
The die cavity shape of described patrix and the partial shell shape of refrigerating equipment heat preservation component adapt and with spray mo(u)lding therein, comprise the partially rigid macromolecular material housing in part thermal insulation foaming chamber; The die cavity shape of described counterdie and the remainder hull shape of heat preservation component adapt and with spray mo(u)lding therein, comprise the remainder rigid macromolecule material housing in remainder thermal insulation foaming chamber.
2. the mould for one spray mo(u)lding refrigerating equipment heat preservation component according to claim 1, is characterized in that, also comprises the parting mechanism for upper die and lower die are separated; And/or
For the heat preservation component of forming being departed to the mould emptier of upper die and lower die.
3. the mould for one spray mo(u)lding refrigerating equipment heat preservation component according to claim 1; it is characterized in that; described matched mould locking mechanism comprises a plurality of snap closes; each snap close includes dop and locking ring device; described dop is arranged on patrix or counterdie; described locking ring device correspondence is arranged on counterdie or patrix, to coordinate with described dop, realizes the locking of patrix and counterdie.
4. the mould for one spray mo(u)lding refrigerating equipment heat preservation component according to claim 3; it is characterized in that; described locking ring device comprises snap ring and snap ring limiting component, and the corresponding dop of described snap ring limiting component is arranged on patrix or counterdie, and described snap ring is connected with snap ring limiting component.
5. the mould for one spray mo(u)lding refrigerating equipment heat preservation component according to claim 1; it is characterized in that; also comprise that described insert-positioning mechanism is arranged on patrix or counterdie for locating the insert-positioning mechanism of inserts, and part extend in die cavity.
6. the mould for one spray mo(u)lding refrigerating equipment heat preservation component according to claim 5, is characterized in that, described insert-positioning mechanism comprises two insert positioning devices, and described two insert positioning device correspondences are arranged at the both sides of patrix or counterdie.
7. the mould for one spray mo(u)lding refrigerating equipment heat preservation component according to claim 6; it is characterized in that; described insert positioning device comprises inserts alignment pin and inserts alignment pin nut; described inserts alignment pin nut is fixed on patrix or counterdie, and described inserts alignment pin extend in the die cavity of patrix or counterdie through described inserts alignment pin nut.
8. the mould for one spray mo(u)lding refrigerating equipment heat preservation component according to claim 2, is characterized in that, described parting mechanism comprises the first parting mechanism and the second parting mechanism;
Described the first parting mechanism is arranged at a side of patrix and counterdie matching part, and described the second parting mechanism is also arranged at the matching part of patrix and counterdie, and is arranged at the opposite side of the first parting mechanism.
9. the mould for one spray mo(u)lding refrigerating equipment heat preservation component according to claim 8, is characterized in that,
Described the first parting mechanism comprises the first parting handle, the first parting handle support component and first minute mode slider, described the first parting handle support component is fixed on patrix or counterdie, described the first parting handle and the first parting handle support component are rotationally connected, corresponding being fixed on counterdie or patrix of mode slider in described first minute, and can contact with one end of the first parting handle; And/or,
Described the second parting mechanism comprises the second parting handle, the second parting handle support component, second minute mode slider; described the second parting handle support component is fixed on patrix or counterdie; described the second parting handle and the second parting handle support component are rotationally connected; corresponding being fixed on counterdie or patrix of mode slider in described second minute, and can contact with one end of the first parting handle.
10. the mould for one spray mo(u)lding refrigerating equipment heat preservation component according to claim 9, it is characterized in that, described the first parting handle support component comprise two the first side plates with for being connected the first connecting plate of two the first side plates, on described two the first side plates, be relatively set with respectively the first stopper slot, and the uncovered setting in the outer end of the first stopper slot, the two ends of described first minute mode slider are provided with and can be matched with in described the first stopper slot so that first minute mode slider carried out to the first spacing parting bearing pin; And/or,
Described the second parting handle support component comprise two the second side plates with for being connected the second connecting plate of two the second side plates; on described two the second side plates, be relatively set with respectively the second stopper slot; and the sealing of the outer end of the second stopper slot arranges, the two ends of described second minute mode slider are provided with and can be matched with in described the second stopper slot so that second minute mode slider carried out to the second spacing parting bearing pin.
11. moulds for one spray mo(u)lding refrigerating equipment heat preservation component according to claim 2; it is characterized in that; described mould emptier comprises a plurality of demoulding assemblies; described demoulding assembly comprises ejection slider, ejection slider cover plate and ejects double-screw bolt; described ejection slider is slidably embedded in patrix or counterdie; and the inner is exposed in die cavity, described ejection slider cover plate is placed on the outer end of ejection slider and by ejecting double-screw bolt and ejection slider is fixed.
12. according to the mould for one spray mo(u)lding refrigerating equipment heat preservation component described in claim 1-11 any one, it is characterized in that, the upper surface of described patrix is provided with the handle for patrix is lifted; And/or described patrix end is also provided with and turns over mould handle for what stir patrix.
13. according to the mould for one spray mo(u)lding refrigerating equipment heat preservation component described in claim 1-11 any one, it is characterized in that, described heat preservation component is refrigerating equipment door body or casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310183251.3A CN104162946A (en) | 2013-05-17 | 2013-05-17 | Mould for forming integrally sprayed and formed heat insulation member of refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310183251.3A CN104162946A (en) | 2013-05-17 | 2013-05-17 | Mould for forming integrally sprayed and formed heat insulation member of refrigeration equipment |
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| CN104162946A true CN104162946A (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310183251.3A Pending CN104162946A (en) | 2013-05-17 | 2013-05-17 | Mould for forming integrally sprayed and formed heat insulation member of refrigeration equipment |
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| CN (1) | CN104162946A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4878972A (en) * | 1987-08-20 | 1989-11-07 | Mitsui Petrochemical Industries, Ltd. | Process for preparing two-ply foam molded articles |
| CN1465475A (en) * | 2002-07-04 | 2004-01-07 | 周隆文 | Method for manufacturing integrally moulded cuticular layer and foamed body |
| CN2642896Y (en) * | 2003-08-20 | 2004-09-22 | 卓华庚 | Plasticizing waterproof energy-saving ceramic tile |
| CN102173024A (en) * | 2011-01-13 | 2011-09-07 | 鲁宁 | Polyurethane integrated plate produced by mold embedded with reclaimed material and production process thereof |
| CN202177275U (en) * | 2011-07-05 | 2012-03-28 | 广州朗腾聚氨酯有限公司 | Novel all plastic refrigerator housing |
-
2013
- 2013-05-17 CN CN201310183251.3A patent/CN104162946A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4878972A (en) * | 1987-08-20 | 1989-11-07 | Mitsui Petrochemical Industries, Ltd. | Process for preparing two-ply foam molded articles |
| CN1465475A (en) * | 2002-07-04 | 2004-01-07 | 周隆文 | Method for manufacturing integrally moulded cuticular layer and foamed body |
| CN2642896Y (en) * | 2003-08-20 | 2004-09-22 | 卓华庚 | Plasticizing waterproof energy-saving ceramic tile |
| CN102173024A (en) * | 2011-01-13 | 2011-09-07 | 鲁宁 | Polyurethane integrated plate produced by mold embedded with reclaimed material and production process thereof |
| CN202177275U (en) * | 2011-07-05 | 2012-03-28 | 广州朗腾聚氨酯有限公司 | Novel all plastic refrigerator housing |
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