CN103542235A - Folding device - Google Patents
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- CN103542235A CN103542235A CN201310480147.0A CN201310480147A CN103542235A CN 103542235 A CN103542235 A CN 103542235A CN 201310480147 A CN201310480147 A CN 201310480147A CN 103542235 A CN103542235 A CN 103542235A
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- edge
- propulsive element
- folding device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
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- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention relates to a folding device. The folding device comprises a first pushing component and two second pushing components matched with the first pushing component. By the folding device, a back sealing bag with openings in two sides are folded, so that a vacuum heat-insulation plate with sealed sides is formed. Because two side seals are positioned on the upper surface or the lower surface of the vacuum heat-insulation plate, the side seals which are formed after heat sealing are not required to be adhered to a vacuum heat-insulation plate body, large overlapped portions for stopping a film do not exist in joints between adjacent plates during construction, the heat-insulating property is high, and the appearance is attractive.
Description
Technical field
The present invention relates to a kind of folding device, belong to the technical field of vacuum package.
Background technique
Vacuum heat-insulating plate is a kind of of warming plate; from its structure; to be composited by heat-shielding performance good filling core and barrier film; compound tense; first using barrier film as the coated porous filling core in protection top layer; by decompression vacuum pumping, make to protect top layer and fill core again to fit tightly, finally protection surface layer film is sealed to sealing.At compound tense, decompression vacuum pumping is processed the heat transmission that makes vacuum heat-insulating plate can effectively avoid cross-ventilation to cause, its thermal conductivity significantly reduces, so on the basis requiring in identical insulation, vacuum heat-insulating plate can effectively reduce the thickness of thermal shield than common thermal shield, make vacuum heat-insulating plate have little, the lightweight advantage of volume, therefore, vacuum heat-insulating plate is applied to the insulation in the fields such as building inside and outside wall, refrigerator, shipping container more and more widely.
Chinese patent literature CN101963267A discloses a kind of vacuum heat-insulating plate, its encapsulation comprises the following steps: (1) is according to the specification of filling core, monolithic barrier film is folded out and the back of the body envelope of filling core consistent size, this back of the body envelope comprises a back of the body sealing and two edge sealings, this back of the body sealing and one of them edge sealing are sealed, and reserve another edge sealing for packing filling core into; (2) filling core is filled in back of the body envelope, another edge sealing is sealed, and reserve vacuum orifice; (3) back of the body envelope of having filled core and being reserved with vacuum orifice is vacuumized, heat-sealing, forms vacuum heat-insulating plate; (4) take out packaged vacuum heat-insulating plate in vacuum chamber, two edge sealings that form after heat-sealing are bonded on vacuum heat-insulating plate body.The folding device that is used to form edge sealing in above-mentioned packaging method is not open, but those skilled in the art know in conjunction with prior art the folding device that it can adopt following structure according to common practise by inference, specifically comprise: the first propulsive element and two the second propulsive elements that are used in conjunction with it, wherein, this first propulsive element comprises support and horizontally disposed upper support face and lower support face, this upper support face, lower support face respectively with the upper ora terminalis of this support, lower ora terminalis connects, this upper support face comprises that along the first propulsive element direction of propulsion, being symmetrical two tops pops one's head in, this lower support face comprises that along the first propulsive element direction of propulsion, being symmetrical two bottoms pops one's head in, these two top probes correspond to each other and are parallel to each other with two bottom probe in the vertical directions, two the second propulsive elements, described two the second propulsive elements are symmetrical arranged in the described first propulsive element left and right sides, described two the second propulsive elements advance in opposite directions and its direction of propulsion all vertical with the direction of propulsion of described the first propulsive element.While encapsulating, first the barrier film that is enclosed with filling core is carried on the back to the back of the body envelope that envelope forms both sides opening, then adopt the first propulsive element of above-mentioned folding device support and locate at opening, with two the second propulsive elements that are used in conjunction with the first propulsive element, in the middle of two side direction, advance formation " M " type folding line respectively more afterwards, finally by above-mentioned first, the second propulsive element is extracted out, through vacuumizing, pressing, after heat-sealing, form the edge sealing of " M " type, this vacuum heat-insulating plate after encapsulation can effectively be reduced to two by the quantity of edge sealing by four, yet vacuum heat-insulating plate is being applied to construction while installing, polylith vacuum heat-insulating plate need to be stitched together, between adjacent vacuum heat-insulating plate separately edge sealing place by two " M " type edge sealings that form after heat-sealing are bonded on vacuum heat-insulating plate body, can reduce " piece " to a certain extent, yet unavoidably can locate formation large size barrier film overlapping at this " piece " again, thereby affect the whole heat-insulating property of vacuum heat-insulating plate attachment face, and easily at this edge joint position, crack, affect attractive in appearance.
Summary of the invention
Technical problem to be solved by this invention is to have in prior art the vacuum heat-insulating plate of " M " type edge sealing, when construction is spliced, existence due to edge sealing, two " M " type edge sealings that form after heat-sealing need to be bonded on vacuum heat-insulating plate body to reduce " piece ", thereby cause its edge joint position to form the overlapping of large size barrier film, cause the integral heat-insulation property of vacuum heat-insulating plate poor, and then the invention provides a kind of folding device that is used to form side sealing vacuum heat-insulating plate.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
The invention provides a kind of folding device, it comprises following structure:
The first propulsive element, described the first thruster part comprises support and horizontally disposed upper support face and lower support face;
Described upper support face comprises top forward edge, along the first propulsive element direction of propulsion, be symmetrical two top-side ora terminalis and top rear edge, wherein, described top forward edge is parallel with described top rear edge, and the length between two outer ends of described top forward edge is greater than the length between two outer ends of described top rear edge, described two top-side ora terminalis extend back and to centre, draw close until be connected with two outer ends of described top rear edge from two outer ends of described top forward edge respectively, so that described top forward edge forms two identical acute angles with described two top-side ora terminalis respectively in two outer end, between the upper ora terminalis of described top rear edge and described support, elasticity is connected,
Described lower support face comprises bottom front edge, along the first propulsive element direction of propulsion, be symmetrical two bottom sides ora terminalis and bottom rear edge, wherein, described bottom front edge is parallel with described bottom rear edge, and the length between two outer ends of described bottom front edge equals the length between two outer ends of described bottom rear edge, described two bottom sides ora terminalis extend back until be connected with antemarginal two outer ends, described bottom from two outer ends of described bottom front edge respectively, so that described bottom front edge in two outer end respectively and form two right angles between described bottom sides ora terminalis, between the lower ora terminalis of described bottom end edge and described support, elasticity is connected,
Two the second propulsive elements, described two the second propulsive elements and described the first propulsive element are used in conjunction with, and be symmetrical set along the described first propulsive element direction of propulsion left and right sides, the direction of propulsion of described the second propulsive element is vertical with the direction of propulsion of described the first propulsive element, described the second propulsive element comprises a folded board with folded edge, described folded edge comprises front-end and back-end, described folded edge is obliquely installed along the direction of propulsion of the second propulsive element, and be that front end is low along described the first propulsive element direction of propulsion, rear end is high to be arranged, a bit aliging with the outer end of described bottom front edge on the direction of propulsion along described the second propulsive element near front end on the front end of described folded edge or described folded edge, the extension point of the rear end of described folded edge on the direction of propulsion along described the second propulsive element is positioned on described upper support face or is positioned at the top of described upper support face,
On the front end of described folded edge or described folded edge near front end a bit withstand the outer end of described bottom front edge time, the first propulsive element be take to its top forward edge as upwards turnover of rotatingshaft.
At the first propulsive element, take its top forward edge when rotatingshaft upwards turns down, described two the second propulsive elements are extracted out.
Acute angle between described top forward edge and described top-side ora terminalis is 40 °-50 °.
Described acute angle is 45 °.
The projection of described top rear edge on described lower support face is positioned in the rear edge of described bottom.
The projection of two outer ends of described top forward edge on described lower support face overlaps with antemarginal two outer ends, described bottom respectively.
The middle part of described top forward edge is recessed to top rear edge direction.
Described folded board is triangular plate, the longest edge that described folded edge is described triangular plate.
The folded edge of described folded board and its angle between projection on horizontal plane are 40 °-50 °.
Described angle is 45 °.
Described the second propulsive element also comprises dunnage and base plate.
The present invention also provides a kind of purposes that described folding device is used to form to side sealing vacuum heat-insulating plate.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) folding device of the present invention, comprise the first propulsive element and two the second propulsive elements that are mated use, the top forward edge of described the first propulsive element upper support face forms two identical acute angles with described two top-side ora terminalis respectively in two outer end, between the upper ora terminalis of described top rear edge and described support, elasticity is connected, simultaneously in two outer end respectively and between described bottom sides ora terminalis, form two right angles, between the lower ora terminalis of described bottom end edge and described support, elasticity is connected described bottom front edge, described two the second propulsive elements are symmetrical set along the described first propulsive element direction of propulsion left and right sides, and its direction of propulsion is vertical with the direction of propulsion of described the first propulsive element, the folded edge of described the second propulsive element has front-end and back-end, when carrying out folding operation, first adopt the first propulsive element support and locate from the limit opening insertion of back of the body envelope, use afterwards described two the second propulsive elements from both sides, to advance in opposite directions respectively and keep along folded edge described in described the first propulsive element direction of propulsion for front end low, rear end is high, a bit aliging with the outer end of described bottom front edge on the direction of propulsion along described the second propulsive element near front end on the front end of described folded edge or described folded edge, when described front end withstands the outer end of described bottom front edge, the first propulsive element be take to its top forward edge as upwards turnover of rotatingshaft, until form the flanging being positioned in back of the body envelope surface, after heat-sealing, form the edge sealing being positioned in back of the body envelope surface, thereby when carrying out the splicing of vacuum heat-insulating plate, between adjacent panel, piece is less, the vacuum heat-insulating plate with " M " type edge sealing that compared to prior art, back of the body envelope forms is when splicing, owing to two " M " type edge sealings that form after heat-sealing need to being bonded on vacuum heat-insulating plate body to reduce " piece ", cause its edge joint position to form the overlapping of large size barrier film, not only be difficult to further reduce piece, also cause the integral heat-insulation property of vacuum heat-insulating plate poor, and this edge joint position easily cracks, affect attractive in appearance, side sealing vacuum heat-insulating plate of the present invention, because two edge sealing itself is just all positioned at upper surface or the lower surface of vacuum heat-insulating plate, without the edge sealing forming after heat-sealing is bonded on vacuum heat-insulating plate body, thereby edge joint position does not exist the large size of barrier film overlapping, there is good heat-shielding performance and aesthetic property.
(2) folding device of the present invention, the acute angle between the top forward edge of described the first propulsive element and side ora terminalis is 40 °-50 °, thus it is more carefully and neatly done and attractive in appearance to make being positioned at of formation carry on the back the lip-deep flanging of sealing.
(3) folding device of the present invention, the projection of two outer ends of described top forward edge on described lower support face overlaps with two outer ends of described bottom front edge respectively, thereby be conducive to form regular edge sealing, especially can effectively avoid owing to using the adiabatic central layer of irregularity to cause that the problem of irregularity appears in edge sealing.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein,
Figure 1A is the structural representation of folding device the first propulsive element of the present invention;
Figure 1B is the plan view of the first propulsive element described in Figure 1A;
Fig. 2 A-Fig. 2 C is that folding device the second propulsive element of the present invention is along the side view of different direction;
Fig. 3 A-3E is the dynamic process schematic diagram of folding device of the present invention while folding.
In figure, reference character is expressed as:
1-upper support face; The upper and lower supporting surface of 2-; 11-top forward edge; 12-top-side ora terminalis; 13-top rear edge; 21-bottom front edge; 22-bottom sides ora terminalis; 23-bottom rear edge; The upper ora terminalis of 31-support; The lower ora terminalis of 32-support; 4-folded board; 41-folded edge; 42-front end; 43-rear end.
Embodiment
The invention provides a kind of folding device, it comprises following structure:
The first propulsive element, as shown in Figure 1A, Figure 1B, described the first propulsive element comprises support and horizontally disposed upper support face 1 and lower support face 2;
Described upper support face 1 comprises top forward edge 11, along the first propulsive element direction of propulsion, be symmetrical two top-side ora terminalis 12 and top rear edge 13, wherein, described top forward edge 11 is parallel with described top rear edge 13, and the length between two outer ends of described top forward edge 11 is greater than the length between 13 two outer ends of described top rear edge, described two top-side ora terminalis 12 extend back and to centre, draw close until be connected with two outer ends of described top rear edge 13 from two outer ends of described top forward edge 11 respectively, so that described top forward edge 11 forms two angles with described two top-side ora terminalis 12 respectively in two outer end, it is all the acute angle of 45 °, between the upper ora terminalis 31 of described top rear edge 13 and described support, elasticity is connected,
Described lower support face 2 comprises bottom front edge 21, along the first propulsive element direction of propulsion, be symmetrical two bottom sides ora terminalis 22 and bottom rear edge 23, wherein, described bottom front edge 21 is parallel with described bottom rear edge 23, and the length between two outer ends of described bottom front edge 21 equals the length between 23 two outer ends of described bottom rear edge, described two bottom sides ora terminalis 22 extend back until be connected with two outer ends of described bottom rear edge 23 from two outer ends of described bottom front edge 21 respectively, so that described bottom front edge 21 in two outer end respectively and form two right angles between described bottom sides ora terminalis 22, between the lower ora terminalis 32 of described bottom end edge 23 and described support, elasticity is connected,
Two the second propulsive elements, as shown in Fig. 2 A-Fig. 2 C, described two the second propulsive elements and described the first propulsive element are used in conjunction with, and be symmetrical set along the described first propulsive element direction of propulsion left and right sides, the direction of propulsion of described the second propulsive element is vertical with the direction of propulsion of described the first propulsive element, described the second propulsive element comprises a folded board 4 with folded edge 41, described folded edge comprises front end 42 and rear end 43, described folded edge 41 is obliquely installed along the direction of propulsion of the second propulsive element, along described the first propulsive element direction of propulsion, be that front end 42 is low, rear end 43 height, make described folded edge 41 and its angle between projection on horizontal plane is 45 ° simultaneously, further, the front end 42 of described folded edge 41 aligns with the outer end of described bottom front edge 21 on the direction of propulsion along described the second propulsive element, and the extension point of the rear end 43 of described folded edge 41 on the direction of propulsion along described the second propulsive element is positioned on described upper support face 1,
When the front end 42 of described folded edge withstands the outer end of described bottom front edge 21, the first propulsive element be take to its top forward edge 11 as upwards turnover of rotatingshaft, as the mode of execution that can select, can when turning down, two the second propulsive elements be extracted out, be beneficial to the smoothness of the first propulsive element turnover.
When folding device of the present invention is used to form to side sealing vacuum heat-insulating plate, as shown in Fig. 3 A-Fig. 3 E, adopt described folding device to fold the back of the body envelope of a both sides opening, to form edge sealing at described back of the body envelope upper surface, folding operation is as follows:
First the first propulsive element of described folding device is supported and located from the both sides opening insertion of described back of the body envelope, and keep the upper support face 1 of described the first thruster part and lower support face 2 to be adjacent to upper surface and the lower surface inner side of described back of the body envelope respectively, use afterwards two the second propulsive elements from two sides simultaneously, symmetrical propelling and maintenance are that front end 42 is low along described the first propulsive element direction of propulsion, rear end 43 height, the front end 42 of described folded edge 41 aligns with the outer end of described bottom front edge 21 on the direction of propulsion along described the second propulsive element, when described front end 42 withstands the outer end of described bottom front edge 21, the first propulsive element be take to its top forward edge 11 as upwards turnover of rotatingshaft, until form the flanging that is positioned at back of the body envelope upper surface, through vacuumizing, after heat-sealing, form the edge sealing that is positioned at back of the body envelope upper surface, as the mode of execution that can select, can when turning down, described two the second propulsive elements be extracted out, be beneficial to the smoothness of the first propulsive element turnover.Folding device in above-described embodiment, as preferred embodiment, the middle part of top forward edge 11 that described the first propulsive element upper support face 1 is set is recessed to top rear edge 13 directions, thereby when folding, use in the process that the second propulsive element and described the first propulsive element be used in conjunction with, make described the first propulsive element upper support face 1 there is better elasticity, to be conducive to the formation of side edge sealing.
As the mode of execution that can select, two identical acute angles that the first propulsive element top forward edge 11 described in above-described embodiment forms with described two top-side ora terminalis 12 respectively in two outer end, except being preferably 45 °, also can be set to 40 °-50 °, this is due to when folding, when angle between described top forward edge 11 and described top-side ora terminalis 12 is when being less than 40 °, easily cause the fold that forms at folded edge place more; When angle is greater than 50 ° between described top forward edge 11 and described top-side ora terminalis 12, though the fold forming at folded edge place is few, easily cause the smoothness of the second propulsive element in its drive-in step poor.
In above-described embodiment, the projection of two outer ends that described the first propulsive element top forward edge 11 is preferably set on described lower support face 2 overlaps with two outer ends of described bottom front edge 21 respectively, thereby be conducive to form regular edge sealing, especially can effectively avoid using the adiabatic central layer of irregularity and cause the drawback of edge sealing irregularity; Further, the projection of described top rear edge 13 on described lower support face 2 being preferably set is positioned in described bottom rear edge 23.
In above-described embodiment, the second propulsive element of described folding device is also provided with dunnage and base plate, and wherein said folded board 4 is triangular plate, and described folded edge 41 longest edge that is described triangular plate.
As the mode of execution that can select, in above-described embodiment, the extension point of the rear end of the described folded edge 41 of the second propulsive element on the direction of propulsion along described the second propulsive element is positioned at the top of described upper support face 1.
Further, also can selectivity arrange the folded edge 41 of described the second propulsive element and its on horizontal plane the angle between projection between 40 °-50 °, thereby use the second propulsive element and described the first propulsive element to be used in conjunction with, finally to form, to be positioned at the lip-deep flanging of back of the body sealing more carefully and neatly done and attractive in appearance.
As the mode of execution that can select, in above-described embodiment except the front end of preferred described folded edge 41 aligns with the outer end of described bottom front edge 21 on the direction of propulsion along described the second propulsive element, also can be chosen in any a bit aliging with the outer end of described bottom front edge 21 near front end on described folded edge 41, thereby on described folded edge near front end a bit withstand the outer end of described bottom front edge time, the first propulsive element be take to its top forward edge 11 as upwards turnover of rotatingshaft, can form the flanging that is positioned at back of the body envelope upper surface.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all mode of executions.And the apparent variation of being extended out thus or change are still among the protection domain in the invention.
Claims (10)
1. a folding device, is characterized in that, it comprises following structure:
The first propulsive element, described the first thruster part comprises support and horizontally disposed upper support face and lower support face;
Described upper support face comprises top forward edge, along the first propulsive element direction of propulsion, be symmetrical two top-side ora terminalis and top rear edge, wherein, described top forward edge is parallel with described top rear edge, and the length between two outer ends of described top forward edge is greater than the length between two outer ends of described top rear edge, described two top-side ora terminalis extend back and to centre, draw close until be connected with two outer ends of described top rear edge from two outer ends of described top forward edge respectively, so that described top forward edge forms two identical acute angles with described two top-side ora terminalis respectively in two outer end, between the upper ora terminalis of described top rear edge and described support, elasticity is connected,
Described lower support face comprises bottom front edge, along the first propulsive element direction of propulsion, be symmetrical two bottom sides ora terminalis and bottom rear edge, wherein, described bottom front edge is parallel with described bottom rear edge, and the length between two outer ends of described bottom front edge equals the length between two outer ends of described bottom rear edge, described two bottom sides ora terminalis extend back until be connected with antemarginal two outer ends, described bottom from two outer ends of described bottom front edge respectively, so that described bottom front edge in two outer end respectively and form two right angles between described bottom sides ora terminalis, between the lower ora terminalis of described bottom end edge and described support, elasticity is connected,
Two the second propulsive elements, described two the second propulsive elements and described the first propulsive element are used in conjunction with, and be symmetrical set along the described first propulsive element direction of propulsion left and right sides, the direction of propulsion of described the second propulsive element is vertical with the direction of propulsion of described the first propulsive element, described the second propulsive element comprises a folded board with folded edge, described folded edge comprises front-end and back-end, described folded edge is obliquely installed along the direction of propulsion of the second propulsive element, and be that front end is low along described the first propulsive element direction of propulsion, rear end is high to be arranged, a bit aliging with the outer end of described bottom front edge on the direction of propulsion along described the second propulsive element near front end on the front end of described folded edge or described folded edge, the extension point of the rear end of described folded edge on the direction of propulsion along described the second propulsive element is positioned on described upper support face or is positioned at the top of described upper support face,
On the front end of described folded edge or described folded edge near front end a bit withstand the outer end of described bottom front edge time, the first propulsive element be take to its top forward edge as upwards turnover of rotatingshaft.
2. folding device according to claim 1, is characterized in that, at the first propulsive element, take its top forward edge when rotatingshaft upwards turns down, and described two the second propulsive elements are extracted out.
3. folding device according to claim 1 and 2, is characterized in that, the acute angle between described top forward edge and described top-side ora terminalis is 40 °-50 °.
4. folding device according to claim 3, is characterized in that, described acute angle is 45 °.
5. according to the arbitrary described folding device of claim 1-4, it is characterized in that, the projection of described top rear edge on described lower support face is positioned in the rear edge of described bottom.
6. according to the arbitrary described folding device of claim 1-5, it is characterized in that, the projection of two outer ends of described top forward edge on described lower support face overlaps with two outer ends of described bottom front edge respectively.
7. according to the arbitrary described folding device of claim 1-6, it is characterized in that, the middle part of described top forward edge is recessed to top rear edge direction.
8. according to the arbitrary described folding device of claim 1-7, it is characterized in that, the folded edge of described folded board and its angle between projection on horizontal plane are 40 °-50 °.
9. according to the arbitrary described folding device of claim 1-8, it is characterized in that, described angle is 45 °.
10. one kind is used to form by the arbitrary described folding device of claim 1-9 the purposes that side seals vacuum heat-insulating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480147.0A CN103542235B (en) | 2013-10-15 | 2013-10-15 | A kind of folding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480147.0A CN103542235B (en) | 2013-10-15 | 2013-10-15 | A kind of folding device |
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| CN103542235A true CN103542235A (en) | 2014-01-29 |
| CN103542235B CN103542235B (en) | 2015-12-02 |
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| CN201310480147.0A Active CN103542235B (en) | 2013-10-15 | 2013-10-15 | A kind of folding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525630A (en) * | 2015-12-09 | 2016-04-27 | 深圳市胜义环保有限公司 | Trimming and welding method for HDPE membrane for high-curvature side slope |
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| CN202016633U (en) * | 2011-04-13 | 2011-10-26 | 江南大学 | Flexible package formed by folding bottom film |
| CN203549283U (en) * | 2013-10-15 | 2014-04-16 | 潍坊纳博欧化工科技有限公司 | Folding device |
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| CN1087153A (en) * | 1993-06-17 | 1994-05-25 | 封亚光 | Vacuum package regenerated polyphenylene heat insulation slab and production technology thereof |
| CN1323381A (en) * | 1998-09-30 | 2001-11-21 | 卡伯特公司 | Vacuum insulation panel and method of preparing the same |
| DE202006008477U1 (en) * | 2006-05-29 | 2006-08-31 | The Vac Company Gmbh | Vacuum insulating panel for insulating e.g. refrigerators comprises a plate-like evacuated support body and a two-part gas-tight foil sleeve sealed using heat sealing seals both formed on the outer and inner side |
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| CN105525630A (en) * | 2015-12-09 | 2016-04-27 | 深圳市胜义环保有限公司 | Trimming and welding method for HDPE membrane for high-curvature side slope |
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| CN103542235B (en) | 2015-12-02 |
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Effective date of registration: 20191024 Address after: 314500 Zhejiang Wuzhen City, Jiaxing, Tongxiang Wuzhen Town Industrial Park Patentee after: TONGXIANG ZHONGYUAN BUILDING MATERIALS CO., LTD. Address before: Hisense City CLS Fuzhou Road No. 6 Shinan District 266071 Shandong city of Qingdao province No. 2 building 1403 room Patentee before: WEIFANG NABOOU CHEMICAL SCIENCE & TECHNOLOGY CO., LTD. |