CN106064444A - A kind of manufacture method of drought snow skiing part - Google Patents
A kind of manufacture method of drought snow skiing part Download PDFInfo
- Publication number
- CN106064444A CN106064444A CN201610400796.9A CN201610400796A CN106064444A CN 106064444 A CN106064444 A CN 106064444A CN 201610400796 A CN201610400796 A CN 201610400796A CN 106064444 A CN106064444 A CN 106064444A
- Authority
- CN
- China
- Prior art keywords
- sliding part
- skiing
- shaper
- support member
- manufacture method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14008—Inserting articles into the mould
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
- A63C19/10—Ice-skating or roller-skating rinks; Slopes or trails for skiing, ski-jumping or tobogganing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/52—Sports equipment ; Games; Articles for amusement; Toys
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to outdoor sports facility field, be specifically related to drought snowslide field, particularly relate to the manufacture method of a kind of drought snow skiing part, it is characterised in that method comprises the steps: that support member is put into the support member groove in sliding part dynamic mold by a.；B. sliding part shaper and sliding part dynamic mold are combined formation skiing part shaper；C. operate injection machine, be molded in skiing part shaper by the injection channel on sliding part shaper；D. after the skiing part semi-finished product molding obtained in step c, sliding part dynamic mold is separated with sliding part shaper；E. the skiing part in step d is taken out and obtain part of skiing.
Description
Technical field
The present invention relates to outdoor sports facility field, be specifically related to drought snowslide field, particularly relate to a kind of drought snow
The manufacture method of skiing part.
Background technology
Skiing is one of outdoor activity of liking of people, and natural skifield only falls at cold winter, snow deposit
Ground cumulative thickness could be for when reaching to a certain degree, and is restricted by geographical position.To this end, occur in that artificial ski field:
American-European countries have developed different types of Plastic ski surface: the comb-type drought such as once injection moulding avenges splicing
Block, this splicing block entirety is similar to floor tile, and sliding surface is hard, and slider easily causes somatic damage after falling down.A kind of employing is separately had to make brush
The brush type drought snow blanket of technique, owing to frictional force is big, slope requirement is high, must increase a large amount of uninterrupted watering supplementary means could slide
OK, and outdoor application is the most easy to clean.The drought snow that both the above technique makes there is also an i.e. weatherability of common shortcoming and holds
Long property, owing to drought snow pack builds area greatly, outdoor use is in the majority, invests big cost recovery slowly in addition, the time to drought snow material
The time limit requires increasingly harsher.
State Intellectual Property Office discloses invention entitled on October 23rd, 2013: it is sliding that PET container makes drought snow
The patent of invention of road method, its synopsis is: the manufacture method of a kind of drought snow athletic ground novel slipway, relates to Plastic sliding
Manufacture field, road.In order to reduce existing drought snowslide manufacturing cost and protect environmental sanitary safety, more preferably promote drought snow fortune
Dynamic development, the present invention is that one utilizes PET container equipped with liquid substance and in the case of sealing, and has by pressure, tough
Property height, aging resistance, recovery is fast, smooth in appearance frictional resistance is little feature, according to its feature, multiple plastics equipped with liquid are held
Device connects combination and is fixed on ground, the final manufacture method making composition novel drought snowslide, although above-mentioned patent solves portion
Divide drought snow problem, but again without solving in prior art: identical material can not meet the complete of aforementioned middle drought snow skiing function
Portion's requirement.
Summary of the invention
For above-mentioned deficiency of the prior art, the invention provides the manufacture method of a kind of drought snow skiing part.
The manufacture method of a kind of drought snow skiing part, it is characterised in that method comprises the steps:
A. support member is put into the support member groove in sliding part dynamic mold；
B. sliding part shaper and sliding part dynamic mold are combined formation skiing part shaper；
C. operate injection machine, be molded in skiing part shaper by the injection channel on sliding part shaper；
D. after the skiing part semi-finished product molding obtained in step c, sliding part dynamic mold and sliding part shaper are divided
From；
E. the skiing part in step d is taken out and obtain part of skiing.
In described step c, when raw material is thermosetting raw material, step c now is: to the cunning by obtaining in step b
Snow part shaper carries out filler, and then heating mould makes plastic molting.
In described step c, when raw material is carbon fiber material, step c now is: noted by mixed carbon fiber material
Enter in the skiing part shaper obtained in step b.
Described sliding part dynamic mold includes support member groove and sliding part lower semisphere forming tank, described sliding part stock mould
Tool includes sliding part episphere forming tank and injection channel.
Described support member groove is strip and connects with sliding part lower semisphere forming tank.
Described sliding part episphere forming tank is connected with described injection channel.
Described sliding part episphere forming tank is semicircle shape sphere.
Described sliding part lower semisphere forming tank outer surface is concave shaped cambered surface.
The skiing part being fabricated by by said method includes: support member and the sliding part contacted with skis, described slip
Part is split type connection with support member；Described sliding part is fixed on support member top.
Described sliding part and skis contact surface are circular arc, and described sliding part episphere is semicircle shape sphere, described cunning
The lower semisphere outer surface of moving part is concave shaped cambered surface.
Beneficial effects of the present invention:
In the technical program, the exclusive split-type structural to skiing part structure designs so that skiing part and the effect of support member and merit
Can obtain farthest playing, so that the technique making skiing part changes over composite from homogenous material, make slip
The motility that part and support member select at material is discharged.Complicated skiing skill action and severe use environmental requirement
Support member has firm high resilience, impact resistance characteristic, requires again that it has the most constant weather-proof in open air free from worldly cares simultaneously
Feature.Part of skiing then must meet skiing plate hight lubrication, the most wear-resisting and do not damage the characteristic of snow slab.At present, international and domestic existing
In patent, support member and skiing part are same material, attend to one thing and lose sight of another, and be difficult to during the most satisfied drought snow uses is various
Different requirements, the steel cable that in this patent, support member uses permanence good, neither too hard, nor too soft makes, and skiing part then uses a kind of longevity
The solidity engineering plastics that life is long, be not easily decomposed are made, and not only meet physical slide requirement but also meet propping up of " technology and life-span "
Support needs.
Owing to sliding part is different with support member material, the material of sliding part in addition to mainly meeting high lubrication property, other
As supported elasticity, impact resistance etc. for secondary demand, so sliding part now can make sliding part more with single material
Smooth, decrease the resistance between skis larger, improve skiing fidelity.
The skiing part manufactured by the technical program substantially prolongs whole service life compared with avenging with tradition drought.
Reference
1. support member, 101, sliding part, 2. sliding part dynamic mold, 3. sliding part shaper, 4. support member groove, 5. slide
Part episphere, 6. sliding part lower semisphere, 7. sliding part episphere forming tank, 701. sliding part lower semisphere forming tank, 8. injection are led to
Road.
Accompanying drawing explanation
Fig. 1 is the working state schematic representation in the technical program；
Fig. 2 is the working state schematic representation in the technical program；
Fig. 3 is the working state schematic representation in the technical program；
Fig. 4 is the working state schematic representation in the technical program；
Fig. 5 is the working state schematic representation in the technical program；
Fig. 6 is the working state schematic representation in the technical program.
Specific embodiment:
Embodiment 1:
The manufacture method of a kind of drought snow skiing part, it is characterised in that method comprises the steps:
A. support member 1 is put into the support member groove in sliding part dynamic mold 2；
B. together with 2-in-1 with sliding part dynamic mold for sliding part shaper 3, skiing part shaper is formed；
C. operate injection machine, be molded in skiing part shaper by the injection channel 8 on sliding part shaper 3；
D. by sliding part dynamic mold 2 and sliding part shaper 3 points after the skiing part semi-finished product molding obtained in step c
From；
E. the skiing part in step d is taken out and obtain part of skiing.
Embodiment 2:
The manufacture method of a kind of drought snow skiing part, it is characterised in that method comprises the steps:
A. support member 1 is put into the support member groove in sliding part dynamic mold 2；
B. together with 2-in-1 with sliding part dynamic mold for sliding part shaper 3, skiing part shaper is formed；
C. operate injection machine, be molded in skiing part shaper by the injection channel 8 on sliding part shaper 3；
D. by sliding part dynamic mold 2 and sliding part shaper 3 points after the skiing part semi-finished product molding obtained in step c
From；
E. the skiing part in step d is taken out and obtain part of skiing.
In described step c, when raw material is thermosetting raw material, step c now is: to the cunning by obtaining in step b
Snow part shaper carries out filler, and then heating mould makes plastic molting.
In described step c, when raw material is carbon fiber material, step c now is: noted by mixed carbon fiber material
Enter in the skiing part shaper obtained in step b.
Embodiment 3:
The manufacture method of a kind of drought snow skiing part, it is characterised in that method comprises the steps:
A. support member 1 is put into the support member groove in sliding part dynamic mold 2；
B. together with 2-in-1 with sliding part dynamic mold for sliding part shaper 3, skiing part shaper is formed；
C. operate injection machine, be molded in skiing part shaper by the injection channel 8 on sliding part shaper 3；
D. by sliding part dynamic mold 2 and sliding part shaper 3 points after the skiing part semi-finished product molding obtained in step c
From；
E. the skiing part in step d is taken out and obtain part of skiing.
In described step c, when raw material is thermosetting raw material, step c now is: to the cunning by obtaining in step b
Snow part shaper carries out filler, and then heating mould makes plastic molting.
In described step c, when raw material is carbon fiber material, step c now is: noted by mixed carbon fiber material
Enter in the skiing part shaper obtained in step b.
Described sliding part dynamic mold 2 includes support member groove 4 and sliding part lower semisphere forming tank 701, described sliding part
Shaper 3 includes sliding part episphere forming tank 7 and injection channel 8.
Embodiment 4:
The manufacture method of a kind of drought snow skiing part, it is characterised in that method comprises the steps:
A. support member 1 is put into the support member groove in sliding part dynamic mold 2；
B. together with 2-in-1 with sliding part dynamic mold for sliding part shaper 3, skiing part shaper is formed；
C. operate injection machine, be molded in skiing part shaper by the injection channel 8 on sliding part shaper 3；
D. by sliding part dynamic mold 2 and sliding part shaper 3 points after the skiing part semi-finished product molding obtained in step c
From；
E. the skiing part in step d is taken out and obtain part of skiing.
In described step c, when raw material is thermosetting raw material, step c now is: to the cunning by obtaining in step b
Snow part shaper carries out filler, and then heating mould makes plastic molting.
In described step c, when raw material is carbon fiber material, step c now is: noted by mixed carbon fiber material
Enter in the skiing part shaper obtained in step b.
Described sliding part dynamic mold 2 includes support member groove 4 and sliding part lower semisphere forming tank 701, described sliding part
Shaper 3 includes sliding part episphere forming tank 7 and injection channel 8.
Described support member groove 4 connects in strip and with sliding part lower semisphere forming tank 701.
Embodiment 5:
The manufacture method of a kind of drought snow skiing part, it is characterised in that method comprises the steps:
A. support member 1 is put into the support member groove in sliding part dynamic mold 2；
B. together with 2-in-1 with sliding part dynamic mold for sliding part shaper 3, skiing part shaper is formed；
C. operate injection machine, be molded in skiing part shaper by the injection channel 8 on sliding part shaper 3；
D. by sliding part dynamic mold 2 and sliding part shaper 3 points after the skiing part semi-finished product molding obtained in step c
From；
E. the skiing part in step d is taken out and obtain part of skiing.
In described step c, when raw material is thermosetting raw material, step c now is: to the cunning by obtaining in step b
Snow part shaper carries out filler, and then heating mould makes plastic molting.
In described step c, when raw material is carbon fiber material, step c now is: noted by mixed carbon fiber material
Enter in the skiing part shaper obtained in step b.
Described sliding part dynamic mold 2 includes support member groove 4 and sliding part lower semisphere forming tank 701, described sliding part
Shaper 3 includes sliding part episphere forming tank 7 and injection channel 8.
Described support member groove 4 connects in strip and with sliding part lower semisphere forming tank 701.
Described sliding part episphere forming tank 7 is connected with described injection channel 8.
Embodiment 6:
The manufacture method of a kind of drought snow skiing part, it is characterised in that method comprises the steps:
A. support member 1 is put into the support member groove in sliding part dynamic mold 2；
B. together with 2-in-1 with sliding part dynamic mold for sliding part shaper 3, skiing part shaper is formed；
C. operate injection machine, be molded in skiing part shaper by the injection channel 8 on sliding part shaper 3；
D. by sliding part dynamic mold 2 and sliding part shaper 3 points after the skiing part semi-finished product molding obtained in step c
From；
E. the skiing part in step d is taken out and obtain part of skiing.
In described step c, when raw material is thermosetting raw material, step c now is: to the cunning by obtaining in step b
Snow part shaper carries out filler, and then heating mould makes plastic molting.
In described step c, when raw material is carbon fiber material, step c now is: noted by mixed carbon fiber material
Enter in the skiing part shaper obtained in step b.
Described sliding part dynamic mold 2 includes support member groove 4 and sliding part lower semisphere forming tank 701, described sliding part
Shaper 3 includes sliding part episphere forming tank 7 and injection channel 8.
Described support member groove 4 connects in strip and with sliding part lower semisphere forming tank 701.
Described sliding part episphere forming tank 7 is connected with described injection channel 8.
Described sliding part episphere forming tank 7 is in semicircle shape sphere.
Embodiment 7:
The manufacture method of a kind of drought snow skiing part, it is characterised in that method comprises the steps:
A. support member 1 is put into the support member groove in sliding part dynamic mold 2；
B. together with 2-in-1 with sliding part dynamic mold for sliding part shaper 3, skiing part shaper is formed；
C. operate injection machine, be molded in skiing part shaper by the injection channel 8 on sliding part shaper 3；
D. by sliding part dynamic mold 2 and sliding part shaper 3 points after the skiing part semi-finished product molding obtained in step c
From；
E. the skiing part in step d is taken out and obtain part of skiing.
In described step c, when raw material is thermosetting raw material, step c now is: to the cunning by obtaining in step b
Snow part shaper carries out filler, and then heating mould makes plastic molting.
In described step c, when raw material is carbon fiber material, step c now is: noted by mixed carbon fiber material
Enter in the skiing part shaper obtained in step b.
Described sliding part dynamic mold 2 includes support member groove 4 and sliding part lower semisphere forming tank 701, described sliding part
Shaper 3 includes sliding part episphere forming tank 7 and injection channel 8.
Described support member groove 4 connects in strip and with sliding part lower semisphere forming tank 701.
Described sliding part episphere forming tank 7 is connected with described injection channel 8.
Described sliding part episphere forming tank 7 is in semicircle shape sphere.
Described sliding part lower semisphere forming tank 701 outer surface is concave shaped cambered surface.
Embodiment 8:
The manufacture method of a kind of drought snow skiing part, it is characterised in that method comprises the steps:
A. support member 1 is put into the support member groove in sliding part dynamic mold 2；
B. together with 2-in-1 with sliding part dynamic mold for sliding part shaper 3, skiing part shaper is formed；
C. operate injection machine, be molded in skiing part shaper by the injection channel 8 on sliding part shaper 3；
D. by sliding part dynamic mold 2 and sliding part shaper 3 points after the skiing part semi-finished product molding obtained in step c
From；
E. the skiing part in step d is taken out and obtain part of skiing.
In described step c, when raw material is thermosetting raw material, step c now is: to the cunning by obtaining in step b
Snow part shaper carries out filler, and then heating mould makes plastic molting.
In described step c, when raw material is carbon fiber material, step c now is: noted by mixed carbon fiber material
Enter in the skiing part shaper obtained in step b.
Described sliding part dynamic mold 2 includes support member groove 4 and sliding part lower semisphere forming tank 701, described sliding part
Shaper 3 includes sliding part episphere forming tank 7 and injection channel 8.
Described support member groove 4 connects in strip and with sliding part lower semisphere forming tank 701.
Described sliding part episphere forming tank 7 is connected with described injection channel 8.
Described sliding part episphere forming tank 7 is in semicircle shape sphere.
Described sliding part lower semisphere forming tank 701 outer surface is concave shaped cambered surface.
The skiing part being fabricated by by said method includes: support member 1 and the sliding part 101 contacted with skis, described
Sliding part 101 is connected for split type with support member 1；Described sliding part 101 is fixed on support member 1 top.
Embodiment 9:
The manufacture method of a kind of drought snow skiing part, it is characterised in that method comprises the steps:
A. support member 1 is put into the support member groove in sliding part dynamic mold 2；
B. together with 2-in-1 with sliding part dynamic mold for sliding part shaper 3, skiing part shaper is formed；
C. operate injection machine, be molded in skiing part shaper by the injection channel 8 on sliding part shaper 3；
D. by sliding part dynamic mold 2 and sliding part shaper 3 points after the skiing part semi-finished product molding obtained in step c
From；
E. the skiing part in step d is taken out and obtain part of skiing.
In described step c, when raw material is thermosetting raw material, step c now is: to the cunning by obtaining in step b
Snow part shaper carries out filler, and then heating mould makes plastic molting.
In described step c, when raw material is carbon fiber material, step c now is: noted by mixed carbon fiber material
Enter in the skiing part shaper obtained in step b.
Described sliding part dynamic mold 2 includes support member groove 4 and sliding part lower semisphere forming tank 701, described sliding part
Shaper 3 includes sliding part episphere forming tank 7 and injection channel 8.
Described support member groove 4 connects in strip and with sliding part lower semisphere forming tank 701.
Described sliding part episphere forming tank 7 is connected with described injection channel 8.
Described sliding part episphere forming tank 7 is in semicircle shape sphere.
Described sliding part lower semisphere forming tank 701 outer surface is concave shaped cambered surface.
The skiing part being fabricated by by said method includes: support member 1 and the sliding part 101 contacted with skis, described
Sliding part 101 is connected for split type with support member 1；Described sliding part 101 is fixed on support member 1 top.
Described sliding part 101 and skis contact surface are circular arc, described sliding part episphere 5 in semicircle shape sphere, institute
Lower semisphere 6 outer surface stating sliding part is concave shaped cambered surface.
Claims (10)
1. the manufacture method of a drought snow skiing part, it is characterised in that method comprises the steps:
A. support member (1) is put into the support member groove in sliding part dynamic mold (2)；
B. sliding part shaper (3) and sliding part dynamic mold (2) are combined formation skiing part shaper；
C. operate injection machine, noted in skiing part shaper by the injection channel (8) on sliding part shaper (3)
Mould；
D. by sliding part dynamic mold (2) and sliding part shaper after the skiing part semi-finished product molding obtained in step c
(3) separate；
E. the skiing part in step d is taken out and obtain part of skiing.
A kind of manufacture method of drought snow skiing part, it is characterised in that: in described step c, work as raw material
During for thermosetting raw material, step c now is: the skiing part shaper by obtaining in step b is carried out filler, then adds
Mold heat makes plastic molting.
A kind of manufacture method of drought snow skiing part, it is characterised in that: in described step c, work as raw material
During for carbon fiber material, step c now is: the skiing part sizing that will obtain in mixed carbon fiber material implantation step b
In mould.
A kind of manufacture method of drought snow skiing part, it is characterised in that: described sliding part dynamic mold
(2) include that support member groove (4) and sliding part lower semisphere forming tank (701), described sliding part shaper (3) include sliding part
Episphere forming tank (7) and injection channel (8).
A kind of drought snow skiing part manufacture method, it is characterised in that described support member groove (4) in
Strip and connecting with sliding part lower semisphere forming tank (701).
The manufacture method of a kind of drought snow skiing part, it is characterised in that described sliding part episphere becomes
Type groove (7) is connected with described injection channel (8).
The manufacture method of a kind of drought snow skiing part, it is characterised in that described sliding part episphere becomes
Type groove (7) is in semicircle shape sphere.
The manufacture method of a kind of drought snow skiing part, it is characterised in that described sliding part lower semisphere becomes
Type groove (701) outer surface is concave shaped cambered surface.
9. the manufacture method of a drought snow skiing part, it is characterised in that the skiing part being fabricated by by said method includes: support
Part (1) and the sliding part (101) contacted with skis, described sliding part (101) is split type connection with support member (1)；Described
Sliding part (101) is fixed on support member (1) top.
A kind of drought snow skiing part manufacture method, it is characterised in that described sliding part (101) with
Skis contact surface is circular arc, and described sliding part episphere (5) is in semicircle shape sphere, and the lower semisphere (6) of described sliding part is outward
Surface is concave shaped cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400796.9A CN106064444A (en) | 2016-06-08 | 2016-06-08 | A kind of manufacture method of drought snow skiing part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400796.9A CN106064444A (en) | 2016-06-08 | 2016-06-08 | A kind of manufacture method of drought snow skiing part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106064444A true CN106064444A (en) | 2016-11-02 |
Family
ID=57421120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610400796.9A Pending CN106064444A (en) | 2016-06-08 | 2016-06-08 | A kind of manufacture method of drought snow skiing part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106064444A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4179539A (en) * | 1977-08-18 | 1979-12-18 | Herbert Schweizer | Ski slope |
| WO1998041691A1 (en) * | 1997-03-15 | 1998-09-24 | Derek Gordon Whitaker | Artificial shock absorbing surface |
| CN104968179A (en) * | 2015-04-22 | 2015-10-07 | 惠州智科实业有限公司 | Insert injection molding radiator and preparation technology thereof |
-
2016
- 2016-06-08 CN CN201610400796.9A patent/CN106064444A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4179539A (en) * | 1977-08-18 | 1979-12-18 | Herbert Schweizer | Ski slope |
| WO1998041691A1 (en) * | 1997-03-15 | 1998-09-24 | Derek Gordon Whitaker | Artificial shock absorbing surface |
| CN104968179A (en) * | 2015-04-22 | 2015-10-07 | 惠州智科实业有限公司 | Insert injection molding radiator and preparation technology thereof |
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Application publication date: 20161102 |
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