CN101992526A - Method for manufacturing decoration shell formed in die and objects thereof - Google Patents
Method for manufacturing decoration shell formed in die and objects thereof Download PDFInfo
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- CN101992526A CN101992526A CN2009103088189A CN200910308818A CN101992526A CN 101992526 A CN101992526 A CN 101992526A CN 2009103088189 A CN2009103088189 A CN 2009103088189A CN 200910308818 A CN200910308818 A CN 200910308818A CN 101992526 A CN101992526 A CN 101992526A
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- housing
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- film
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The invention relates to a method for manufacturing a decoration shell formed in a die. A membrane is subjected to forming, and the formed membrane is positioned in a die to perform the injection forming of plastic materials, so that the shell is formed in one piece on the membrane and is combined with the membrane to form a semi-finished product in the die; and the semi-finished product is subjected to lateral cutting by utilizing the cutting means and corresponding to the preset cutting surface of the semi-finished product to remove residual materials of the membrane, so that the problem that the deficiency of contraction offset is easily generated during the combination of marginal lines of the shell and the membrane in the prior art, and the membrane of a trim shell obtained by lateral cutting is flush with the marginal lines of the shell at the cutting surface completely.
Description
Invention field
The present invention is the manufacture method of relevant a kind of film apparatus, is meant a kind of manufacture method and article thereof that carry out decorated molded housing in mould especially.
Background technology
Existing film apparatus is to make moulding with the IMD processing procedure, as shown in fig. 1, be the film after the moulding 90 to be inserted carry out the ejection formation operation in the mould, make form film 90 one be combined with predetermined housing plastic 91, and finish the making of film apparatus 900 as shown in Figure 2.Because the located by prior art method there is no press mold in the ejection formation stage in mould, make in the ejection formation operation and be easy to generate the situation of as shown in Fig. 2 A, shrinking positioning.
Fig. 2 A is the amplification three-dimensional structure diagram that shows the film apparatus 900 limit A of place among Fig. 2, because housing plastic 91 positionings own or contraction cause form film 90 and housing plastic 91 limits to differ when penetrating, make not leave in place, film apparatus 900 limit and exposed district 92 by form film 90 complete coatings.
Summary of the invention
In view of the disappearance of commonly using on the film apparatus processing procedure, main purpose of the present invention provides a kind of manufacture method of in-molded decorative shell, the disappearance that differs in the film apparatus limit is commonly used in improvement, and its film of interior trim housing that manufacturing is finished flushes fully with the place, limit of housing.
The present invention is in order to reach above-mentioned purpose and effect, and the practiced technical method of a kind of manufacture method of in-molded decorative shell comprises:
Step 1: get a film and carry out a film forming operation; Step 2: the film that this moulding is finished is positioned to carry out in the mould plastic ejection formation operation, and a housing is integrally formed on this film; Step 3: after finishing this ejection formation operation, this housing is decorated by this film and is combined into semi-finished product with this film, and these semi-finished product have a film clout portion, and is preset with a cutting face in the place, bottom surface of this semi-finished product limit lower edge; Step 4: these semi-finished product are carried out a side direction cut operation, bring pressure to bear on this semi-finished product earlier, make the housing of this cutting face be positioned a bed die, utilize cutting means again to cutting this film clout portion of removal by cutting face; Step 5: the semi-finished product after side direction cuts and finishes are an interior trim housing, and this interior trim housing has cross section on one side, and the film of this interior trim housing flushes fully with the margin line of housing in this limit section.
Wherein the film of finishing through step 1 moulding more includes a recessed folding part, makes that half-finished film is coated on this housing lower edge by this recessed folding part in the step 3 toward in.
Wherein the housing of step 2 is preset with a device zone, and comprise more that after step 5 this interior trim housing is carried out one modifies operation, this modification operation comprises that ejection formation one modification edge strip is in the margin line in this device zone and this cross section, limit, to strengthen the bond strength in this interior trim housing limit.
Wherein the housing of step 2 more comprises a back-up block, and this back-up block and this housing are integrally formed on this film jointly, and side direction cuts the required support force of operation in the step 4 in order to provide, and cuts removal in the lump with this film clout portion.
Wherein the cutting means in step 4 cut operation for utilizing a laser knife to carry out this side direction repeatedly with low-power.This laser knife cuts repeatedly with low-power.This bed die below is provided with a displacement platform, and when side direction cuts operation, by this displacement platform this cutting face is carried out first and second axial moving, and with this laser knife relative to the cutting position of this cutting face as the 3rd axial moving, cut operation in order to the side direction that this half-finished cutting face is carried out 3 D stereo.
Wherein the cutting means in step 4 cut operation for utilizing machinery knives to carry out this side direction, and cut this film clout portion to be parallel to this cutting face direction.These machinery knives cut this half-finished either side or opposite side at every turn, and gradation is carried out this side direction and cut operation.In step 4, more include a forward and cut operation.
Interior trim housing of the present invention comprises: a form film, and the marginal lower edge of this form film has one first limit; One is incorporated into the housing of this form film with the ejection formation one, the marginal lower edge of this housing has one second limit, this form film is in this housing lower edge and cuts this first limit and this formation one cross section, limit that flushes fully, back, second limit, makes the whole limit of complete this housing of coating of this form film energy.
Another embodiment of interior trim housing of the present invention comprises a form film, and the marginal lower edge of this form film has one first limit, and is provided with a recessed folding part in this top, first limit; One is incorporated into the housing of this form film with the ejection formation one, this film is coated on this housing lower edge by this recessed folding part toward in, and the marginal lower edge of this housing has one second limit, this form film is in this housing lower edge and cuts this first limit and this formation one cross section, limit that flushes fully, back, second limit, makes the whole limit of complete this housing of coating of this form film energy.
The another embodiment of interior trim housing of the present invention comprises a form film, and the marginal lower edge of this form film has one first limit; One is incorporated into the housing of this form film with the ejection formation one, this housing is preset with a device zone and has one second limit in marginal lower edge, this form film is in this housing lower edge and cuts this first limit and this formation one cross section, limit that flushes fully, back, second limit, makes the whole limit of complete this housing of coating of this form film energy.Comprise more that wherein one modifies edge strip, this modifies the edge strip ejection formation in the limit of this device zone with this cross section, limit, to strengthen the bond strength in this interior trim housing limit.
Description of drawings
Fig. 1 disassembles stereogram for existing film apparatus;
Fig. 2 is existing film apparatus stereogram;
Fig. 2 A is existing film apparatus limit structure amplification stereogram;
Fig. 3 is the first embodiment flow chart of the manufacture method of the in-molded decorative shell of the present invention;
Fig. 4 is the made half-finished stereogram of first embodiment of the invention;
Fig. 5 cuts the generalized section of operation for machinery knives side direction in the first embodiment of the invention;
Fig. 6 cuts half-finished generalized section in the first embodiment of the invention with machinery knives;
Fig. 7 cuts half-finished generalized section in the first embodiment of the invention with laser knife;
Fig. 8 cuts the schematic diagram of operation for laser knife side direction in the first embodiment of the invention;
Fig. 9 is the stereogram of the made finished product of first embodiment of the invention;
Figure 10 is the section enlarged diagram of Fig. 9 embodiment of the present invention;
Figure 11 is the second embodiment flow chart of the manufacture method of the in-molded decorative shell of the present invention;
Figure 12 is half-finished generalized section in the second embodiment of the invention;
Figure 12 A is the generalized section of interior trim housing in the second embodiment of the invention;
Figure 12 B is the modified post-job generalized section of interior trim housing in the second embodiment of the invention;
Figure 13 is the 3rd embodiment flow chart of the manufacture method of the in-molded decorative shell of the present invention;
Figure 14 cuts the generalized section of operation for side direction in the third embodiment of the invention;
Figure 14 A is the another generalized section that side direction cuts operation in the third embodiment of the invention;
Figure 15 cuts half-finished generalized section in the third embodiment of the invention;
Figure 16 is the first embodiment schematic perspective view of interior trim housing of the present invention;
Figure 16 A is Figure 16 embodiment section enlarged diagram of the present invention;
Figure 17 is the first embodiment generalized section of interior trim housing of the present invention;
Figure 18 is the second embodiment generalized section of interior trim housing of the present invention;
Figure 19 is the 3rd embodiment generalized section of interior trim housing of the present invention.
The specific embodiment
For making purpose of the present invention, technical characterictic and other effect that further understanding be arranged, cooperate diagram to be described in detail as follows now.
See also shown in Fig. 3, be the first embodiment flow chart of the manufacture method of the in-molded decorative shell of the present invention.In step 101, to get a film earlier and carry out the film forming operation, the film forming operation is to carry out the forming operation of film and high-pressure simultaneously under vacuum environment, making film forming is the shape of presetting, as shelly, tabular etc.After being positioned in the mould, the film that moulding is finished carries out the plastic ejection formation operation of step 102.
As shown in Figure 4, the predetermined plastic of a housing 20 is integrally formed in through step 102 on the film 10 of the default external form of tool, makes housing 20 be film 10 and decorates one also and be combined into semi-finished product 500 in the step 103.
The film 10 of semi-finished product 500 has 501 and second limit 502, first limit as shown in Figure 5 with housing 20 respectively in marginal lower edge, and has the film clout portion 11 as shown in Fig. 4 and Fig. 5.Film clout portion 11 is meant the zone that film 10 does not combine with housing 20 one itself.
In Fig. 5, semi-finished product 500 are preset with a cutting face 510 at place, the bottom surface of its marginal lower edge 503, and cut operation with the side direction that the cutting face 510 of 30 pairs of semi-finished product 500 of cutting means carries out step 104.Cutting face 510 in the present embodiment is plane shown in the dotted line among Fig. 5.
In step 104, direction brings pressure to bear on semi-finished product 500 shown in arrow among Fig. 6 earlier, make the housing 20 at cutting face 510 places, in present embodiment the edge part M of housing 20, as scheme to fit be positioned a bed die 40 after, utilizing cutting means 30 again, is machinery knives 31 in present embodiment, with the direction that is parallel to cutting face 510 the film clout portion 11 of semi-finished product 500 is carried out side direction and cuts operation.
When cutting the cutting face 510 of semi-finished product 500 with machinery knives 31, can cut the either side of semi-finished product 500 shown in arrow among Fig. 4 or the mode of opposite side, gradation is carried out side direction and is cut operation at every turn.Carry out the increase of the also visual semi-finished product of step 104 500 actual product sidelines with machinery knives 31 and commonly use the operation (not shown) that forward cuts (tangent).
In present embodiment, can select in addition with as shown in Figure 7 laser knife 32 as cutting means 30, and cut with laser knife 32 again after as shown in FIG. the edge part M of semi-finished product 500 its housings 20 being pressed on bed die 40.
The cutting angle position of laser knife 32 can adjust according to the actual sideline of actual board action need or semi-finished product 500, and under the condition of low power output, carry out side direction repeatedly along cutting face 510 in-scopes and cut (as shown in Figure 8), wherein laser knife 32 can cut the film clout portion 11 of removing with the direction (promptly the angle theta with cutting face 510 is 0) that is parallel to cutting face 510 or with present laser cutting operating angle commonly used equally with machinery knives 31.
When the side direction of carrying out step 104 with laser knife 32 cut operation, semi-finished product 500 can carry out first and second axial moving by bed die 40 belows displacement platform 41 as shown in Figure 8, and mobile semi-finished product 500 are equal to mobile cutting face 510.Moving that first and second is axial in present embodiment moved for the axial plane of X-Y.
With respect to cutting face 510, with the cutting position up and down of laser knife 32 as the 3rd axial moving, the 3rd axial moving is moving of Z axle vertical direction in present embodiment, so utilize laser knife 32 in the present embodiment as cutting means 30, (3 dimensions, 3D) Li Ti side direction cuts operation to do three-dimensional to the cutting face 510 in semi-finished product 500 actual product sidelines.
See also shown in Figure 11, be the second embodiment flow chart of the manufacture method of the in-molded decorative shell of the present invention.Key step is all identical with first embodiment in second embodiment, and its explanation of Therefore, omited also is marked with same reference numbers.In second embodiment, the sideline demand according to actual finished product more comprises the modification operation of interior trim housing 600A being carried out step 106 after step 105.
In Figure 12, housing 20A is when step 102 ejection formation, be preset with device zone 201A and be combined into semi-finished product 500A in the step 103, and cut the cutting face 510A of semi-finished product 500A through step 104 side direction after, form as having the interior trim housing 600A (step 105) of cross section, the limit 610A that flushes fully among Figure 12 A
Also carry out the modification operation of step 106 again in step 105 back, corresponding interior trim housing 600A in the margin line ejection formation of the regional 201A of device and cross section, limit 610A just like in the modification edge strip 620A shown in Figure 12 B, with the bond strength in reinforcement interior trim housing 600A limit.
See also shown in Figure 13, be the 3rd embodiment flow chart of the manufacture method of the in-molded decorative shell of the present invention.Key step is all identical with first embodiment in the 3rd embodiment, and its explanation of Therefore, omited also is marked with same reference numbers.
In the 3rd embodiment, can select to increase a step 100a according to actual film device processing procedure, step 100a is for to carry out the presswork of chromatography with film, and the film forming operation that the film that chromaticity printing is finished is continued and carries out step 101a.
In the step 102 of the 3rd embodiment, the housing 20B of ejection formation more includes just like the back-up block 21B shown in Figure 14 on the film 10.The back-up block 21B of housing 20B is integrally formed on the film 10, and bring pressure to bear on semi-finished product 500B as shown in Figure 15 and fit in bed die 40, and provide with back-up block 21B and to cut the required support force of film clout portion 11 in the step 104 with edge part M with its housing 20B.At last, utilize machinery knives 31, cut in the lump and remove back-up block 21B and film clout portion 11 and form structure as shown in Figure 9, and reach the effect identical with first embodiment to be parallel to the direction of cutting face 510B.
In present embodiment, behind step 101a, may be molded to the film 10A shown in Figure 14 A.Film 10A has a recessed folding part 101A as shown in FIG., and through step 103 housing 20B ejection formation is finished semi-finished product 500B behind film 10A, and back-up block 21B is integrally formed in 101A place, recessed folding part.
The film 10A of semi-finished product 500B is coated on housing 20B lower edge with its recessed folding part 101A in more past, and provides with back-up block 21B that side direction cuts required support force in the step 104 equally, and reaches the effect identical with first embodiment.
See also shown in Figure 16, Figure 16 A, for showing the first embodiment stereogram and the section enlarged diagram of interior trim housing, the interior trim housing in present embodiment is according to the made thing of the manufacture method of the in-molded decorative shell of the present invention.
As shown in FIG., interior trim housing 600 comprises film 10 and housing 20, and interior trim housing 600 is respectively margin line 601,602 in the marginal lower edge of film 10 and housing 20.
See also shown in Figure 18, be the second embodiment generalized section of interior trim housing, the interior trim housing in present embodiment is according to the made thing of the manufacture method of the in-molded decorative shell of the present invention.The housing 20A of interior trim housing 600A is preset with device zone 201A when ejection formation, cut the back and form cross section, the limit 610A that flushes fully, and ejection formation has the edge strip of modification 620A in the place, limit of regional 201A of device and cross section, limit 610A, in order to strengthen the bond strength in decorative shell 600A limit.
See also shown in Figure 19, be the 3rd embodiment generalized section of interior trim housing.The film 10A of interior trim housing 600B is coated on housing 20B lower edge by recessed folding part 101A in more past, make the film 10A of interior trim housing 600B be difficult for peeling off with housing 20B in 610B place, cross section, limit, can strengthen the bond strength in decorative shell 600B limit, promote its durability and have better aesthetic appearance.
The above only is preferred embodiment of the present invention, and is non-so promptly limit to claim of the present invention, so the simple and easy modification and the equivalent structure that use specification of the present invention and graphic content to do such as change, all should in like manner be contained in the claim of the present invention.
Claims (18)
1. the manufacture method of an in-molded decorative shell is characterized in that, this method comprises:
(1) gets a film and carry out a film forming operation;
(2) film that this moulding is finished is positioned to carry out in the mould plastic ejection formation operation, and a housing is integrally formed on this film;
(3) finish this ejection formation operation after, this housing is decorated by this film and is combined into semi-finished product with this film, and these semi-finished product have a film clout portion, and is preset with a cutting face in the place, bottom surface of this semi-finished product limit lower edge;
(4) these semi-finished product are carried out a side direction and cut operation, bring pressure to bear on this semi-finished product earlier, make the housing of this cutting face be positioned a bed die, utilize cutting means again cutting this film clout portion of removal by cutting face;
(5) semi-finished product after side direction cuts and finishes are an interior trim housing, and this interior trim housing has cross section on one side, and the film of this interior trim housing flushes fully with the margin line of housing in this limit section.
2. the manufacture method of in-molded decorative shell according to claim 1, it is characterized in that: the film of finishing through step 1 moulding more includes a recessed folding part, makes that half-finished film is coated on this housing lower edge by this recessed folding part in the step 3 toward in.
3. the manufacture method of in-molded decorative shell according to claim 1, it is characterized in that: the housing of step 2 is preset with a device zone, and after step 5, this interior trim housing is carried out one and modify operation, this modification operation comprises that ejection formation one modification edge strip is in the margin line in this device zone and this cross section, limit, to strengthen the bond strength in this interior trim housing limit.
4. the manufacture method of in-molded decorative shell according to claim 1, it is characterized in that: the housing of step 2 more comprises a back-up block, this back-up block and this housing are integrally formed on this film jointly, side direction cuts the required support force of operation in the step 4 in order to provide, and cuts removal in the lump with this film clout portion.
5. the manufacture method of in-molded decorative shell according to claim 1, it is characterized in that: the cutting means of step 4 cut operation for utilizing a laser knife to carry out this side direction.
6. the manufacture method of in-molded decorative shell according to claim 5, it is characterized in that: this laser knife cuts repeatedly with low-power.
7. the manufacture method of in-molded decorative shell according to claim 5, it is characterized in that: this bed die below is provided with a displacement platform, and when side direction cuts operation, by this displacement platform this cutting face is carried out first and second axial moving, and with this laser knife relative to the cutting position of this cutting face as the 3rd axial moving, cut operation in order to the side direction that this half-finished cutting face is carried out 3 D stereo.
8. the manufacture method of in-molded decorative shell according to claim 1, it is characterized in that: the cutting means of step 4 cut operation for utilizing machinery knives to carry out this side direction, and cut this film clout portion to be parallel to this cutting face direction.
9. the manufacture method of in-molded decorative shell according to claim 8, it is characterized in that: these machinery knives cut this half-finished either side at every turn, and gradation is carried out this side direction and is cut operation.
10. the manufacture method of in-molded decorative shell according to claim 8, it is characterized in that: these machinery knives cut this half-finished opposite side at every turn, and gradation is carried out this side direction and is cut operation.
11. the manufacture method of in-molded decorative shell according to claim 8 is characterized in that: step 4 more includes a forward and cuts operation.
12. the interior trim housing that the method for implementing claim 1 is made is characterized in that this interior trim housing comprises:
One form film, the marginal lower edge of this form film has one first limit;
One is incorporated into the housing of this form film with the ejection formation one, the marginal lower edge of this housing has one second limit, this form film is in this housing lower edge and cuts this first limit and this formation one cross section, limit that flushes fully, back, second limit, makes the whole limit of complete this housing of coating of this form film energy.
13. an interior trim housing is characterized in that, comprising:
One form film, the marginal lower edge of this form film has one first limit;
One is incorporated into the housing of this form film with the ejection formation one, the marginal lower edge of this housing has one second limit, this form film is in this housing lower edge and cuts this first limit and this formation one cross section, limit that flushes fully, back, second limit, makes the whole limit of complete this housing of coating of this form film energy.
14. the interior trim housing that the method for implementing claim 2 is made is characterized in that this interior trim housing comprises:
One form film, the marginal lower edge of this form film has one first limit, and is provided with a recessed folding part in this top, first limit;
One is incorporated into the housing of this form film with the ejection formation one, this film is coated on this housing lower edge by this recessed folding part toward in, and the marginal lower edge of this housing has one second limit, this form film is in this housing lower edge and cuts this first limit and this formation one cross section, limit that flushes fully, back, second limit, makes the whole limit of complete this housing of coating of this form film energy.
15. an interior trim housing is characterized in that, comprising:
One form film, the marginal lower edge of this form film has one first limit, and is provided with a recessed folding part in this top, first limit;
One is incorporated into the housing of this form film with the ejection formation one, this film is coated on this housing lower edge by this recessed folding part toward in, and the marginal lower edge of this housing has one second limit, this form film is in this housing lower edge and cuts this first limit and this formation one cross section, limit that flushes fully, back, second limit, makes the whole limit of complete this housing of coating of this form film energy.
16. the interior trim housing that the method for implementing claim 3 is made is characterized in that this interior trim housing comprises:
One form film, the marginal lower edge of this form film has one first limit;
One is incorporated into the housing of this form film with the ejection formation one, this housing is preset with a device zone and has one second limit in marginal lower edge, this form film is in this housing lower edge and cuts this first limit and this formation one cross section, limit that flushes fully, back, second limit, makes the whole limit of complete this housing of coating of this form film energy.
17. an interior trim housing is characterized in that, this interior trim housing comprises:
One form film, the marginal lower edge of this form film has one first limit;
One is incorporated into the housing of this form film with the ejection formation one, this housing is preset with a device zone, and has one second limit in marginal lower edge, after this form film and this housing lower edge are in and cut this first limit and this second limit, form a cross section, limit that flushes fully, make the whole limit of complete this housing of coating of this form film energy.
18. according to claim 16 or 17 described interior trim housings, it is characterized in that: this interior trim housing comprises that more one modifies edge strip, and this modifies the edge strip ejection formation in the limit of this device zone with this cross section, limit, to strengthen the bond strength in this interior trim housing limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103088189A CN101992526A (en) | 2009-08-20 | 2009-10-26 | Method for manufacturing decoration shell formed in die and objects thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910305862 | 2009-08-20 | ||
| CN200910305862.4 | 2009-08-20 | ||
| CN2009103088189A CN101992526A (en) | 2009-08-20 | 2009-10-26 | Method for manufacturing decoration shell formed in die and objects thereof |
Publications (1)
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|---|---|
| CN101992526A true CN101992526A (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103088189A Pending CN101992526A (en) | 2009-08-20 | 2009-10-26 | Method for manufacturing decoration shell formed in die and objects thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103677127A (en) * | 2013-12-05 | 2014-03-26 | 通达宏泰科技(苏州)有限公司 | Laptop shell and method for producing same |
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| US6413461B1 (en) * | 1998-05-08 | 2002-07-02 | Sumitomo Chemical Company, Limited | Process for producing multilayer molded article |
| CN101357501A (en) * | 2007-07-31 | 2009-02-04 | 金利祐兴股份有限公司 | Inset ejection molding method capable of making the finished product with metal texture and finished products thereof |
| CN101396858A (en) * | 2007-09-28 | 2009-04-01 | 高泰科技股份有限公司 | Decoration ejection molding method in mold |
| CN101462338A (en) * | 2007-12-21 | 2009-06-24 | 深圳富泰宏精密工业有限公司 | Process for producing molded article |
| CN201626086U (en) * | 2009-10-26 | 2010-11-10 | 鑫望企业有限公司 | Interior shell body |
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2009
- 2009-10-26 CN CN2009103088189A patent/CN101992526A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6413461B1 (en) * | 1998-05-08 | 2002-07-02 | Sumitomo Chemical Company, Limited | Process for producing multilayer molded article |
| CN101357501A (en) * | 2007-07-31 | 2009-02-04 | 金利祐兴股份有限公司 | Inset ejection molding method capable of making the finished product with metal texture and finished products thereof |
| CN101396858A (en) * | 2007-09-28 | 2009-04-01 | 高泰科技股份有限公司 | Decoration ejection molding method in mold |
| CN101462338A (en) * | 2007-12-21 | 2009-06-24 | 深圳富泰宏精密工业有限公司 | Process for producing molded article |
| CN201626086U (en) * | 2009-10-26 | 2010-11-10 | 鑫望企业有限公司 | Interior shell body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103677127A (en) * | 2013-12-05 | 2014-03-26 | 通达宏泰科技(苏州)有限公司 | Laptop shell and method for producing same |
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Application publication date: 20110330 |