CN101716413A - PVC gravity ball and preparation method thereof - Google Patents
PVC gravity ball and preparation method thereof Download PDFInfo
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- CN101716413A CN101716413A CN200910215959A CN200910215959A CN101716413A CN 101716413 A CN101716413 A CN 101716413A CN 200910215959 A CN200910215959 A CN 200910215959A CN 200910215959 A CN200910215959 A CN 200910215959A CN 101716413 A CN101716413 A CN 101716413A
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B45/00—Apparatus or methods for manufacturing balls
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Abstract
The invention provides a PVC gravity ball and a preparation method thereof, which belong to the technical field of fitness equipment industries. The PVC gravity ball comprises a hollow ball shell, which is characterized in that the hollow ball shell comprises a weighting layer of which the raw materials consist of a mixed liquor of PVC and a weighting agent. The preparation method for the PVC gravity ball comprises the following steps specifically: putting the raw materials of the weighting layer into a mould; putting the mould into a hearth which can rotate at 360 degrees; heating the mould in a rotating mode at a rotating speed of 1 to 30 rpm, wherein the heating temperature is between 100 DEG C and 400 DEG C, and the heating time is 2 minutes to 40 minutes; and cooling and demoulding. The PVC gravity ball has the advantages that: the ball has a stable centre of gravity and good elasticity.
Description
Technical field
The present invention relates to a kind of PVC gravity ball and preparation method thereof, belong to body-building apparatus industry technology field.
Background technology
Existing PVC gravity ball is after the moulding of PVC spheroid, adds filler in the spheroid the inside, as yellow sand, iron sand etc., and to promote the weight of whole spheroid, the purpose that reaches training and take exercise.Its main shortcoming is:
1, after filler joins the spheroid the inside, can not complete filling expire, the inside also has the part air, and the space is perhaps arranged.Can cause people when taking exercises, the center of gravity of spheroid changes along with flowing of filler.
2, after filler joined the spheroid the inside, original resilient spheroid can change the elasticity of whole spheroid because after having added filler inside the spheroid.
Summary of the invention
The objective of the invention is to overcome above-mentioned two problems, a kind of PVC gravity ball and preparation method thereof is provided.
In order to achieve the above object, technical scheme of the present invention provides a kind of PVC gravity ball, comprises hollow ball shell, it is characterized in that, described hollow ball shell comprises that adds a double-layer, and the described double-layer raw material that adds is made up of PVC mixed liquor and heavy weight additive.
The described double-layer raw material that adds is made up of PVC mixed liquor 5-95wt% and heavy weight additive 5-95wt%.
Described PVC mixed liquor comprises PVC 20-70wt%, plasticizer 20-70wt% and stabilizing agent 2-10wt%.
Described PVC mixed liquor also comprises blowing agent 0.5-10wt%.
Described heavy weight additive is that particle diameter is 50 orders-1000 purpose iron sand, iron powder, steel sand, river sand, stone sand or yellow sand.
Described hollow ball shell also comprises a PVC skin, described PVC skin be located at add the double-layer outside and with add double-layer and be connected.
The outer raw material of described PVC comprises PVC 20-70wt%, plasticizer 20-70wt% and stabilizing agent 2-10wt%.
The outer raw material of described PVC also comprises blowing agent 0.5-10wt%.
Described PVC is a paste polyvinyl chloride powder resin.
Described plasticizer is dioctyl phthalate, dioctyl adipate, DOTP, butyl ester of epoxy fatty acid, trioctyl trimellitate (TOTM), chlorinated paraffin wax, phenyl alkylsulfonate or pentaerythritol fatty acid ester.
Described stabilizing agent is calcium stearate, zinc stearate, barium stearate zinc, calcium stearate zinc, tribasic lead sulfate or dibutyl maleic acid tin.
Described blowing agent is azoformic acid amine, N, N '-dinitroso five methine tetramines, unifor, sodium acid carbonate or pentane.
Described hollow ball shell is sphere or elliposoidal.
One side of described hollow ball shell or relative both sides have handle.
The present invention also provides a kind of preparation method of PVC gravity ball, it is characterized in that, concrete steps are: will add the double-layer raw material and put into mould, again mould is put into the burner hearth of 360 degree rotations, heat with rotating speed 1-30rpm rotation mode, heating-up temperature is 100-400 ℃, heat time heating time 2min-40min, cooling and demolding.
The present invention also provides the preparation method of another kind of PVC gravity ball, it is characterized in that, concrete steps are: the outer raw material of PVC is put into mould, again mould is put into the burner hearth of 360 degree rotations, heat with rotating speed 1-30rpm rotation mode, heating-up temperature is 100-400 ℃, heat time heating time 2min-20min, when the outer raw material of PVC changes from liquid into solid or is in the semiliquid semi-solid state, add the double-layer raw material, with 100-400 ℃ of heating 2min-40min, make to add double-layer and be connected cooling and demolding again with the PVC skin.
Advantage of the present invention is:
1, because filler is to mix with the PVC ball is raw materials used, in forming process, filler is very even sticking on together in the ball wall with PVC, and filler can not can flow along with the motion of spheroid again.Thereby solved the problem of the crank of spheroid.
2, because filler is to become an integral body with PVC, filler is to follow PVC to form the ball wall of spheroid together, spheroid be one hollow, thereby solved the not good problem of elasticity of spheroid.
Description of drawings
Fig. 1 is first kind of PVC gravity ball cutaway view;
Fig. 2 is second kind of PVC gravity ball cutaway view;
Fig. 3 is the third PVC gravity ball cutaway view;
Fig. 4 is the 4th a kind of PVC gravity ball cutaway view;
Fig. 5 is the 5th a kind of PVC gravity ball cutaway view;
Fig. 6 is the 6th a kind of PVC gravity ball cutaway view;
Fig. 7 is the 7th a kind of PVC gravity ball cutaway view;
Fig. 8 is the 8th a kind of PVC gravity ball cutaway view;
The specific embodiment
Specify the present invention below in conjunction with embodiment.
Embodiment 1
As shown in Figure 1, be first kind of PVC gravity ball cutaway view, described PVC gravity bag is drawn together the hollow ball shell 3 of a sphere, do not have handle 4, described hollow ball shell 3 comprises that adds a double-layer 2, add double-layer 2 and made by PVC mixed liquor 5wt% and heavy weight additive 95wt%, described PVC mixed liquor is made up of PVC 20wt%, plasticizer 70wt% and stabilizing agent 10wt%.
Described PVC is a paste polyvinyl chloride powder resin, P440, and chemical industry for making chlorine and alkali Co., Ltd in Shanghai produces.
Described plasticizer is a dioctyl phthalate.
Described stabilizing agent is a calcium stearate.
Described heavy weight additive is that particle diameter is 100 purpose iron sand.
During making, will add double-layer 2 raw materials and put into mould, and mould be put into the burner hearth of 360 degree rotations again, with the heating of rotating speed 1rpm rotation mode, heating-up temperature is 100 ℃, heat time heating time 40min, cooling and demolding.
During use, hold spheroid, PVC gravity ball is upwards lifted, reach the effect of taking exercises.
As shown in Figure 2, be second kind of PVC gravity ball cutaway view, described PVC gravity bag is drawn together the hollow ball shell 3 of an elliposoidal, do not have handle 4, described hollow ball shell 3 comprises that adds a double-layer 2, add double-layer 2 and made by PVC mixed liquor 95wt% and heavy weight additive 5wt%, described PVC mixed liquor is made up of PVC 70wt%, plasticizer 20wt% and stabilizing agent 10wt%.
Described PVC is a paste polyvinyl chloride powder resin, P1069, and chemical industry for making chlorine and alkali Co., Ltd in Shanghai produces.
Described plasticizer is a dioctyl adipate.
Described stabilizing agent is a zinc stearate.
Described heavy weight additive is that particle diameter is 300 purpose iron powders.
During making, will add double-layer 2 raw materials and put into mould, and mould be put into the burner hearth of 360 degree rotations again, with the heating of rotating speed 30rpm rotation mode, heating-up temperature is 400 ℃, heat time heating time 2min, cooling and demolding.
During use, hold spheroid, PVC gravity ball is upwards lifted, reach the effect of taking exercises.
As shown in Figure 3, be the third PVC gravity ball cutaway view, described PVC gravity bag is drawn together a hollow ball shell 3, have a handle 4 on the described hollow ball shell 3, handle 4 is one-body molded with hollow ball shell 3, whole globulate, described hollow ball shell 3 comprises that adds a double-layer 2, add double-layer 2 and made by PVC mixed liquor 50wt% and heavy weight additive 50wt%, described PVC mixed liquor is by PVC 50wt%, plasticizer 47.5wt%, and stabilizing agent 2wt% and blowing agent 0.5wt% form.
Described PVC is a paste polyvinyl chloride powder resin, R1302, and chemical industry for making chlorine and alkali Co., Ltd in Anhui produces.
Described plasticizer is a DOTP.
Described stabilizing agent is a barium stearate zinc.
Described blowing agent is N, N '-dinitroso five methine tetramines.
Described heavy weight additive is that particle diameter is 400 purpose steel sands.
During making, will add double-layer 2 raw materials and put into mould, and mould be put into the burner hearth of 360 degree rotations again, with the heating of rotating speed 10rpm rotation mode, heating-up temperature is 300 ℃, heat time heating time 25min, cooling and demolding.
During use, hold handle 4, PVC gravity ball is upwards lifted, reach the effect of taking exercises.
As shown in Figure 4, be the 4th kind of PVC gravity ball cutaway view, described PVC gravity bag is drawn together a hollow ball shell 3, have two relative handles 4 on the described hollow ball shell 3, handle 4 is one-body molded with hollow ball shell 3, whole globulate, described hollow ball shell 3 comprises that adds a double-layer 2, add double-layer 2 and made by PVC mixed liquor 60wt% and heavy weight additive 40wt%, described PVC mixed liquor is by PVC 60wt%, plasticizer 25wt%, and stabilizing agent 5wt% and blowing agent 10wt% form.
Described PVC is a paste polyvinyl chloride powder resin, R1702, and chemical industry for making chlorine and alkali Co., Ltd in Anhui produces.
Described plasticizer is a butyl ester of epoxy fatty acid.
Described stabilizing agent is a calcium stearate zinc.
Described blowing agent is a unifor.
Described heavy weight additive is that particle diameter is 50 purpose river sands.
During making, will add double-layer 2 raw materials and put into mould, and mould be put into the burner hearth of 360 degree rotations again, with the heating of rotating speed 30rpm rotation mode, heating-up temperature is 350 ℃, heat time heating time 20min, cooling and demolding.
During use, hold handle 4, PVC gravity ball is upwards lifted, reach the effect of taking exercises.
Embodiment 5
As shown in Figure 5, be the 5th kind of PVC gravity ball cutaway view, described PVC gravity bag is drawn together the hollow ball shell 3 of a sphere, does not have handle 4, described hollow ball shell 3 comprises that one adds double-layer 2 and a PVC skin 1, PVC skin 1 be located at add double-layer 2 outsides and with add double-layer 2 and be connected.Add double-layer 2 and made by PVC mixed liquor 60wt% and heavy weight additive 40wt%, described PVC mixed liquor is by PVC 60wt%, plasticizer 30wt%, and stabilizing agent 5wt% and blowing agent 5wt% form.Outer 1 raw material of PVC is made up of PVC 20wt%, plasticizer 70wt% and stabilizing agent 10wt%.
Described PVC is a paste polyvinyl chloride powder resin, P440, and chemical industry for making chlorine and alkali Co., Ltd in Shanghai produces.
Described plasticizer is a trioctyl trimellitate (TOTM).
Described stabilizing agent is a tribasic lead sulfate.
Described heavy weight additive is that particle diameter is 1000 purpose stone sand.
During making, on mould, open an aperture, he is blocked with the metal bar of a cylinder such as iron staff or aluminium bar.Earlier outer raw material is put in the mould for the first time, put into the burner hearth with rotating speed 30rpm rotation again, 400 ℃ of heating 2min make die surface allow it be stained with a layered material earlier.This layered material can be done ripe not yet done or fully, mould is taken out in the burner hearth of heating again, opens the pole of blocking, and pours in the mould in the aperture of being opened adding the double-layer raw material.400 ℃ of heating 2min make inside and outside layer full maturity.Again the spheroid after the moulding is taken out in mould,, have a hole on the spheroid in the above because the metal bar of a circle is arranged on the mould.Follow a little bit smaller stopper in aperture beyond the Great Wall with one so.Mostly be close because add the composition of double-layer raw material and outer raw material,, add double-layer and skin and can become an integral body so they can be connected together in the process of heating.During use, hold spheroid, PVC gravity ball is upwards lifted, reach the effect of taking exercises.
Embodiment 6
As shown in Figure 6, be the 6th kind of PVC gravity ball cutaway view, described PVC gravity bag is drawn together the hollow ball shell 3 of an elliposoidal, does not have handle 4, described hollow ball shell 3 comprises that one adds double-layer 2 and a PVC skin 1, PVC skin 1 be located at add double-layer 2 outsides and with add double-layer 2 and be connected.Add double-layer 2 and made by PVC mixed liquor 60wt% and heavy weight additive 40wt%, described PVC mixed liquor is by PVC 60wt%, plasticizer 30wt%, and stabilizing agent 5wt% and blowing agent 5wt% form.Outer 1 raw material of PVC is made up of PVC 70wt%, plasticizer 20wt% and stabilizing agent 10wt%.
Described PVC is a paste polyvinyl chloride powder resin, P440, and chemical industry for making chlorine and alkali Co., Ltd in Shanghai produces.
Described plasticizer is a chlorinated paraffin wax.
Described stabilizing agent is a dibutyl maleic acid tin.
Described heavy weight additive is that particle diameter is 500 purpose yellow sands.
During making, on mould, open an aperture, he is blocked with the metal bar of a cylinder such as iron staff or aluminium bar.Earlier outer raw material is put in the mould for the first time, put into the burner hearth with rotating speed 20rpm rotation again, 100 ℃ of heating 20min make die surface allow it be stained with a layered material earlier.This layered material can be done ripe not yet done or fully, mould is taken out in the burner hearth of heating again, opens the pole of blocking, and pours in the mould in the aperture of being opened adding the double-layer raw material.100 ℃ of heating 40min make inside and outside layer full maturity.Again the spheroid after the moulding is taken out in mould,, have a hole on the spheroid in the above because the metal bar of a circle is arranged on the mould.Follow a little bit smaller stopper in aperture beyond the Great Wall with one so.Mostly be close because add the composition of double-layer raw material and outer raw material,, add double-layer and skin and can become an integral body so they can be connected together in the process of heating.
During use, hold spheroid, PVC gravity ball is upwards lifted, reach the effect of taking exercises.
Embodiment 7
As shown in Figure 7, be the 7th kind of PVC gravity ball cutaway view, described PVC gravity bag is drawn together a hollow ball shell 3, have a handle 4, handle 4 is one-body molded with hollow ball shell 3, whole globulate, described hollow ball shell 3 comprises that one adds double-layer 2 and a PVC skin 1, PVC skin 1 be located at add double-layer 2 outsides and with add double-layer 2 and be connected.Add double-layer 2 and made by PVC mixed liquor 60wt% and heavy weight additive 40wt%, described PVC mixed liquor is by PVC 30wt%, plasticizer 60wt%, and stabilizing agent 5wt% and blowing agent 5wt% form.Outer 1 raw material of PVC is made up of PVC 60wt%, plasticizer 30wt%, stabilizing agent 9.5wt% and blowing agent 0.5wt%.
Described PVC is a paste polyvinyl chloride powder resin, P440, and chemical industry for making chlorine and alkali Co., Ltd in Shanghai produces.
Described plasticizer is a phenyl alkylsulfonate.
Described stabilizing agent is a zinc stearate.
Described blowing agent is a pentane.
Described heavy weight additive is that particle diameter is 300 purpose iron sand.
During making, on mould, open an aperture, he is blocked with the metal bar of a cylinder such as iron staff or aluminium bar.Earlier outer raw material is put in the mould for the first time, put into the burner hearth with rotating speed 10rpm rotation again, 200 ℃ of heating 20min make die surface allow it be stained with a layered material earlier.This layered material can be done ripe not yet done or fully, mould is taken out in the burner hearth of heating again, opens the pole of blocking, and pours in the mould in the aperture of being opened adding the double-layer raw material.200 ℃ of heating 20min make inside and outside layer full maturity.Again the spheroid after the moulding is taken out in mould,, have a hole on the spheroid in the above because the metal bar of a circle is arranged on the mould.Follow a little bit smaller stopper in aperture beyond the Great Wall with one so.Mostly be close because add the composition of double-layer raw material and outer raw material,, add double-layer and skin and can become an integral body so they can be connected together in the process of heating.
During use, hold handle 4, PVC gravity ball is upwards lifted, reach the effect of taking exercises.
Embodiment 8
As shown in Figure 8, be the 8th kind of PVC gravity ball cutaway view, described PVC gravity bag is drawn together a hollow ball shell 3, have two relative handles 4, handle 4 is one-body molded with hollow ball shell 3, whole globulate, described hollow ball shell 3 comprises that one adds double-layer 2 and a PVC skin 1, PVC skin 1 be located at add double-layer 2 outsides and with add double-layer 2 and be connected.Add double-layer 2 and made by PVC mixed liquor 60wt% and heavy weight additive 40wt%, described PVC mixed liquor is by PVC 50wt%, plasticizer 40wt%, and stabilizing agent 5wt% and blowing agent 5wt% form.Outer 1 raw material of PVC is made up of PVC 60wt%, plasticizer 30wt%, stabilizing agent 5wt% and blowing agent 5wt%.
Described PVC is a paste polyvinyl chloride powder resin, P440, and chemical industry for making chlorine and alkali Co., Ltd in Shanghai produces.
Described plasticizer is a pentaerythritol fatty acid ester.
Described stabilizing agent is a zinc stearate.
Described blowing agent is a pentane.
Described heavy weight additive is that particle diameter is 500 purpose yellow sands.
During making, on mould, open an aperture, he is blocked with the metal bar of a cylinder such as iron staff or aluminium bar.Earlier outer raw material is put in the mould for the first time, put into the burner hearth with rotating speed 5rpm rotation again, 200 ℃ of heating 15min make die surface allow it be stained with a layered material earlier.This layered material can be done ripe not yet done or fully, mould is taken out in the burner hearth of heating again, opens the pole of blocking, and pours in the mould in the aperture of being opened adding the double-layer raw material.200 ℃ of heating 20min make inside and outside layer full maturity.Again the spheroid after the moulding is taken out in mould,, have a hole on the spheroid in the above because the metal bar of a circle is arranged on the mould.Follow a little bit smaller stopper in aperture beyond the Great Wall with one so.Mostly be close because add the composition of double-layer raw material and outer raw material,, add double-layer and skin and can become an integral body so they can be connected together in the process of heating.
During use, hold handle 4, PVC gravity ball is upwards lifted, reach the effect of taking exercises.
The PVC gravity ball of producing through the present invention because be hollow, spheroid can qi of chong channel ascending adversely, so can become flexible.When PVC gravity ball be placed on overhead 1.5 meters apart from the time, allow it freely land, after spheroid landed, its screen resilience can reach 10-30CM.And the PVC gravity ball of adding filler, because added filler in the spheroid.When overhead 1.5 meters when freely landing, just do not had elasticity.
Claims (16)
1. a PVC gravity ball comprises hollow ball shell (3), it is characterized in that, described hollow ball shell (3) comprises that adds a double-layer (2), and described double-layer (2) raw material that adds is made up of PVC mixed liquor and heavy weight additive.
2. PVC gravity ball as claimed in claim 1 is characterized in that, described double-layer (2) raw material that adds is made up of PVC mixed liquor 5-95wt% and heavy weight additive 5-95wt%.
3. PVC gravity ball as claimed in claim 2 is characterized in that described PVC mixed liquor comprises PVC20-70wt%, plasticizer 20-70wt% and stabilizing agent 2-10wt%.
4. PVC gravity ball as claimed in claim 3 is characterized in that described PVC mixed liquor also comprises blowing agent 0.5-10wt%.
5. PVC gravity ball as claimed in claim 1 is characterized in that, described heavy weight additive is that particle diameter is 50 orders-1000 purpose iron sand, iron powder, steel sand, river sand, stone sand or yellow sand.
6. PVC gravity ball as claimed in claim 1 is characterized in that described hollow ball shell (3) also comprises a PVC skin (1), described PVC skin (1) be located at add double-layer (2) outside and with add double-layer (2) and be connected.
7. PVC gravity ball as claimed in claim 6 is characterized in that, described PVC skin (1) raw material comprises PVC20-70wt%, plasticizer 20-70wt% and stabilizing agent 2-10wt%.
8. PVC gravity ball as claimed in claim 7 is characterized in that, described PVC skin (1) raw material also comprises blowing agent 0.5-10wt%.
9. as claim 3 or 7 described PVC gravity balls, it is characterized in that described PVC is a paste polyvinyl chloride powder resin.
10. as claim 3 or 7 described PVC gravity balls, it is characterized in that described plasticizer is dioctyl phthalate, dioctyl adipate, DOTP, butyl ester of epoxy fatty acid, trioctyl trimellitate (TOTM), chlorinated paraffin wax, phenyl alkylsulfonate or pentaerythritol fatty acid ester.
11., it is characterized in that described stabilizing agent is calcium stearate, zinc stearate, barium stearate zinc, calcium stearate zinc, tribasic lead sulfate or dibutyl maleic acid tin as claim 3 or 7 described PVC gravity balls.
12. as claim 4 or 8 described PVC gravity balls, it is characterized in that described blowing agent is azoformic acid amine, N, N '-dinitroso five methine tetramines, unifor, sodium acid carbonate or pentane.
13. PVC gravity ball as claimed in claim 1 is characterized in that described hollow ball shell (3) is sphere or elliposoidal.
14. PVC gravity ball as claimed in claim 1 is characterized in that a side of described hollow ball shell (3) or relative both sides have handle (4).
15. the preparation method of the described PVC gravity of claim 1 ball, it is characterized in that, concrete steps are: will add double-layer (2) raw material and put into mould, again mould is put into the burner hearth of 360 degree rotations, heat with rotating speed 1-30rpm rotation mode, heating-up temperature is 100-400 ℃, heat time heating time 2min-40min, cooling and demolding.
16. the preparation method of the described PVC gravity of claim 6 ball, it is characterized in that, concrete steps are: PVC skin (1) raw material is put into mould, again mould is put into the burner hearth of 360 degree rotations, heat with rotating speed 1-30rpm rotation mode, heating-up temperature is 100-400 ℃, heat time heating time 2min-20min, when PVC skin (1) raw material changes from liquid into solid or is in the semiliquid semi-solid state, add double-layer (2) raw material, with 100-400 ℃ of heating 2min-40min, make to add double-layer (2) and be connected cooling and demolding again with PVC skin (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910215959A CN101716413A (en) | 2009-12-22 | 2009-12-22 | PVC gravity ball and preparation method thereof |
| PCT/CN2010/070699 WO2011075962A1 (en) | 2009-12-22 | 2010-02-21 | Pvc gravity ball and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910215959A CN101716413A (en) | 2009-12-22 | 2009-12-22 | PVC gravity ball and preparation method thereof |
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| CN101716413A true CN101716413A (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910215959A Pending CN101716413A (en) | 2009-12-22 | 2009-12-22 | PVC gravity ball and preparation method thereof |
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| CN (1) | CN101716413A (en) |
| WO (1) | WO2011075962A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634139A (en) * | 2012-05-03 | 2012-08-15 | 江苏飞龙塑胶有限公司 | Novel fitness equipment material and preparation method thereof |
| CN103212190A (en) * | 2013-04-24 | 2013-07-24 | 许乃红 | Sewed type sport ball and manufacturing method for inner container thereof |
| CN109228557A (en) * | 2018-08-28 | 2019-01-18 | 无锡市曼优丽新型复合材料有限公司 | A kind of high-strength abrasion-proof highly-breathable artificial leather automobile leather and preparation method |
| CN110358154A (en) * | 2019-06-20 | 2019-10-22 | 临沂启泰橡胶有限公司 | The preparation method of rubber gravitation ball |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1521121A (en) * | 1976-05-28 | 1978-08-16 | Mettoy Co Ltd | Closed hollow articles |
| JPS5663376A (en) * | 1979-10-27 | 1981-05-29 | Makoto Ishikawa | Manufacture of heavy hollow ball in vinyl chloride |
| CN2327412Y (en) * | 1998-05-29 | 1999-07-07 | 长沙体育用品总厂 | Heavy ball |
| ITMI20011268A1 (en) * | 2001-06-15 | 2002-12-15 | Ledragomma Srl | BALLS BALLS AND OTHER INFLATABLE OBJECTS FOR GYMNASTIC OR THERAPEUTIC USE |
| CN2593840Y (en) * | 2002-11-22 | 2003-12-24 | 上海红双喜冠都体育用品有限公司 | Soft olive shaped heavy ball |
| CN2587461Y (en) * | 2002-11-22 | 2003-11-26 | 上海红双喜冠都体育用品有限公司 | Soft type health care heavy ball |
| CN101172198A (en) * | 2006-11-02 | 2008-05-07 | 宜兴市格瑞特塑胶制品有限公司 | Explosion-proof body-building ball and method of producing the same |
| CN101099888A (en) * | 2007-08-06 | 2008-01-09 | 张立苗 | Heavy basketball |
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2009
- 2009-12-22 CN CN200910215959A patent/CN101716413A/en active Pending
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2010
- 2010-02-21 WO PCT/CN2010/070699 patent/WO2011075962A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634139A (en) * | 2012-05-03 | 2012-08-15 | 江苏飞龙塑胶有限公司 | Novel fitness equipment material and preparation method thereof |
| CN103212190A (en) * | 2013-04-24 | 2013-07-24 | 许乃红 | Sewed type sport ball and manufacturing method for inner container thereof |
| WO2014172809A1 (en) * | 2013-04-24 | 2014-10-30 | Xu Naihong | Internal bladder for sewed type sport ball and manufacturing method therefor |
| CN109228557A (en) * | 2018-08-28 | 2019-01-18 | 无锡市曼优丽新型复合材料有限公司 | A kind of high-strength abrasion-proof highly-breathable artificial leather automobile leather and preparation method |
| CN110358154A (en) * | 2019-06-20 | 2019-10-22 | 临沂启泰橡胶有限公司 | The preparation method of rubber gravitation ball |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011075962A1 (en) | 2011-06-30 |
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