US20130210561A1 - Ball shaped product and method for making the same - Google Patents
Ball shaped product and method for making the same Download PDFInfo
- Publication number
- US20130210561A1 US20130210561A1 US13/760,541 US201313760541A US2013210561A1 US 20130210561 A1 US20130210561 A1 US 20130210561A1 US 201313760541 A US201313760541 A US 201313760541A US 2013210561 A1 US2013210561 A1 US 2013210561A1
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- US
- United States
- Prior art keywords
- ball shaped
- shaped interior
- interior material
- chamber
- wrapping
- 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.)
- Abandoned
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Classifications
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- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
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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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B37/00—Solid balls; Rigid hollow balls; Marbles
- A63B37/02—Special cores
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/12—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor of articles having inserts or reinforcements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0042—Producing plain balls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/25—Solid
- B29K2105/253—Preform
- B29K2105/256—Sheets, plates, blanks or films
-
- 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
- B29L2009/00—Layered products
-
- 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
- B29L2022/00—Hollow articles
- B29L2022/02—Inflatable articles
Definitions
- the present invention relates to a ball shaped product and a method for making the same, and more particularly to a ball shaped product and a method for making the same by using vacuum suction.
- the entire ball body is formed by means of directly injection molding a rubber material.
- a machine sewing process or hand sewing process is further developed.
- a bladder needs to be disposed inside the ball body for reason of sewing, the air is filled into the bladder during inflation, such that the bladder inflates the ball body, and then a surface cover of the ball is machine sewn or hand sewn onto the bladder.
- materials for making the surface cover of the ball include thermoplastic urethane (TPU), polyvinyl chloride (PVC), and polyurethane (PU), which are nonfoamed or single-layer foamed.
- the conventional ball making process has disadvantages of consuming much labor and time, and having a bottleneck in terms of production capacity, yield and quality. In addition, only a small range of materials can be used.
- the present invention provides a method for making a ball shaped product, comprising the following steps of: (a) placing a ball shaped interior material on a supporting seat, wherein a part of an outer surface of the ball shaped interior material is exposed outside the supporting seat; (b) placing the ball shaped interior material and the supporting seat in an accommodating space of a chamber, wherein the chamber has an opening; (c) covering a wrapping material on the opening of the chamber; (d) vacuum pumping the chamber, so that the wrapping material is attached to the exposed part of the outer surface of the ball shaped interior material; (e) releasing the vacuum of the chamber; and (f) rotating the ball shaped interior material, and repeating the step (a) to step (e) at least one time.
- the present invention further provides a method for making a ball shaped product, comprising the following steps of: (a) placing a ball shaped interior material on a first supporting seat, wherein a first outer surface of the ball shaped interior material is exposed outside the first supporting seat; (b) placing the ball shaped interior material and the first supporting seat in an accommodating space of a first chamber, wherein the first chamber has an opening; (c) covering a first wrapping material on the opening of the first chamber; (d) vacuum pumping the first chamber, so that the first wrapping material is attached to the first outer surface of the ball shaped interior material; (e) releasing the vacuum of the first chamber; (f) rotating the ball shaped interior material, and then placing the ball shaped interior material on a second supporting seat, wherein a second outer surface of the ball shaped interior material is exposed outside the second supporting seat; (g) placing the ball shaped interior material and the second supporting seat in an accommodating space of a second chamber, wherein the second chamber has an opening; (h) covering a second wrapping material on the opening of
- a large area can be wrapped in each vacuum wrapping process, and the vacuum wrapping process is fast and thus can save labor and time, and improves the production capacity, yield and quality.
- a wide range of materials can be used.
- the present invention further provides a ball shaped product, comprising a ball shaped interior material and less than four wrapping materials.
- the wrapping materials are adhered to the ball shaped interior material.
- FIGS. 1 to 8 are schematic views of an embodiment of a method for making a ball shaped product of the present invention.
- FIG. 9 is a schematic view of another embodiment of a supporting seat used in the method for making a ball shaped product of the present invention.
- FIGS. 1 to 8 are schematic views of an embodiment of a method for making a ball shaped product of the present invention.
- a first chamber 1 is provided.
- the first chamber 1 is a vacuum wrapping machine, having an accommodating space 10 , an opening 11 and at least one vacuum channel 12 .
- a first supporting seat 2 is provided.
- the first supporting seat 2 has an outer periphery 21 , which defines a recess 22 .
- the recess 22 may be half of a perfect spherical shape, half of an elliptical spherical shape, half of an egg shape or half of other spherical shapes. In other embodiments, the recess 22 may be one third, two thirds, one quarter, three quarters or other proportions of a spherical shape.
- An upper end of the outer periphery 21 is located at the same horizontal height, that is, the upper end of the outer periphery 21 is a plane.
- a ball shaped interior material 3 is placed on the first supporting seat 2 .
- the ball shaped interior material 3 is a bladder and may have a perfect spherical shape, an elliptical spherical shape, an egg shape or other shapes.
- the ball shaped interior material 3 is received in the recess 22 , that is, a part of an outer surface of the ball shaped interior material 3 is exposed outside the first supporting seat 2 , and the other part of the outer surface is surrounded by the outer periphery 21 of the first supporting seat 2 .
- a first outer surface 31 of the ball shaped interior material 3 is exposed outside the first supporting seat 2
- a second outer surface 32 of the ball shaped interior material 3 is surrounded by the outer periphery 21 of the first supporting set 2 .
- the method further includes a step of forming an adhesive layer (not shown) on the first outer surface 31 . It should be understood that, if the outer surface of the ball shaped interior material 3 is adhesive, this step may be omitted.
- a first wrapping material 4 is completely covered on the opening 11 of the first chamber 1 .
- the material of the first wrapping material 4 is thermoplastic urethane (TPU), polyurethane (PU), rubber, polyvinyl chloride (PVC), nylon, polyethylene terephthalate (PET) or polycarbonate (PC).
- the first wrapping material 4 has an adhesive layer (not shown) on a lower surface thereof, and has texture on an upper surface thereof.
- the first chamber 1 is vacuum pumped through the vacuum channel 12 , so that the first wrapping material 4 is drawn down rapidly by vacuum suction, and then attached to the exposed part of the outer surface (that is, the first outer surface 31 ) of the ball shaped interior material 3 .
- the first wrapping material 4 is adhered to the exposed part of the outer surface (that is, the first outer surface 31 ) of the ball shaped interior material 3 .
- the temperature of the first chamber 1 is controlled between room temperature and 250° C.
- the first wrapping material 4 that is not attached to the ball shaped interior material 3 is cut away, so that only the first wrapping material 4 located on the first outer surface 31 is left.
- the cutting step at this time may be omitted, and an excess of the wrapping material is cut away once for all after the wrapping process is completed.
- the ball shaped interior material 3 is rotated, and then placed on a second supporting seat 2 a, wherein the second outer surface 32 of the ball shaped interior material 3 is exposed outside the second supporting seat 2 a.
- the second supporting seat 2 a has an outer periphery 21 a, which defines a recess 22 a.
- the second supporting seat 2 a and the first supporting seat 2 are the same supporting seat, or different supporting seats having the same appearance, because the recesses 22 and 22 a are each half of a perfect spherical shape.
- the second supporting seat 2 a and the first supporting seat 2 may be supporting seats having different appearances.
- the ball shaped interior material 3 and the second supporting seat 2 a are placed in an accommodating space 10 a of a second chamber 1 a .
- the second chamber 1 a is a vacuum wrapping machine, having the accommodating space 10 a, an opening 11 a and at least one vacuum channel 12 a.
- the second chamber 1 a and the first chamber 1 are the same chamber; however, in other embodiments, the second chamber 1 a and the first chamber 1 are different chambers.
- the method further includes a step of forming an adhesive layer (not shown) on the second outer surface 32 . It should be understood that, if the outer surface of the ball shaped interior material 3 is adhesive, this step may be omitted.
- a second wrapping material 4 a is completely covered on the opening 11 a of the second chamber 1 a .
- the material of the second wrapping material 4 a is thermoplastic urethane (TPU), polyurethane (PU), rubber, polyvinyl chloride (PVC), nylon, polyethylene terephthalate (PET) or polycarbonate (PC).
- the second wrapping material 4 a has an adhesive layer (not shown) on a lower surface thereof, and has texture on an upper surface thereof.
- the second wrapping material 4 a and the first wrapping material 4 are the same or different.
- the second chamber 1 a is vacuum pumped through the vacuum channel 12 a, so that the second wrapping material 4 a is drawn down rapidly by vacuum suction, and then attached to the exposed part of the outer surface (that is, the second outer surface 32 ) of the ball shaped interior material 3 .
- the second wrapping material 4 a is adhered to the exposed part of the outer surface (that is, the second outer surface 32 ) of the ball shaped interior material 3 .
- the second wrapping material 4 a that is not attached to the ball shaped interior material 3 is cut away, thus fabricating a ball shaped product 5 . It should be understood that, if the first wrapping material 4 that is not attached to the ball shaped interior material 3 is not cut away in the step of FIG. 5 , the cutting step at this time is cutting away the first wrapping material 4 and the second wrapping material 4 a that are not attached to the ball shaped interior material 3 .
- FIG. 9 is a schematic view of another embodiment of a supporting seat used in the method for making a ball shaped product of the present invention.
- the supporting seat 2 b of this embodiment is substantially the same as the first supporting seat 2 shown in FIG. 2 , except that the upper end of the outer periphery 21 b of the supporting seat 2 b has ridges and valleys, for example, a tooth shape. It should be understood that, the outer periphery 21 b of the supporting seat 2 b may also have other shapes.
- the vacuum wrapping process is performed two times. However, in other embodiments, if a specially designed supporting seat is provided, the vacuum wrapping process may also be performed three times or more than four times, with one third or less than one quarter of the ball shaped interior material 3 being wrapped each time.
- a large area can be wrapped in each vacuum wrapping process, and the vacuum wrapping process is fast and thus can save labor and time, and improves the production capacity, yield and quality.
- a wide range of materials can be used.
- FIG. 8 is a schematic cross-sectional view of an embodiment of a ball shaped product of the present invention.
- the ball shaped product 5 includes a ball shaped interior material 3 and a plurality of wrapping materials. The wrapping materials are adhered to the ball shaped interior material 3 .
- the ball shaped interior material 3 is a bladder and may have a perfect spherical shape, an elliptical spherical shape, an egg shape or other shapes.
- the ball shaped interior material 3 has a first outer surface 31 and a second outer surface 32 .
- the number of the wrapping materials is two, which are respectively a first wrapping material 4 and a second wrapping material 4 a.
- the first wrapping material 4 and the second wrapping material 4 a are respectively adhered to the first outer surface 31 and the second outer surface 32 of the ball shaped interior material 3 by vacuum suction.
- the material of the first wrapping material 4 is thermoplastic urethane (TPU), polyurethane (PU), rubber, polyvinyl chloride (PVC), nylon, polyethylene terephthalate (PET) or polycarbonate (PC).
- the material of the second wrapping material 4 a is thermoplastic urethane (TPU), polyurethane (PU), rubber, polyvinyl chloride (PVC), nylon, polyethylene terephthalate (PET) or polycarbonate (PC).
- the second wrapping material 4 a and the first wrapping material 4 are the same or different.
- the ball shaped product 5 further includes an adhesive layer (not shown), located between the ball shaped interior material 3 and the wrapping materials 4 and 4 a.
- the number of the wrapping materials is two; however, in other embodiments, the number of the wrapping materials may be three or more than four.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a ball shaped product and a method for making the same. The method includes the following steps of: (a) placing a ball shaped interior material on a supporting seat, wherein a part of an outer surface of the ball shaped interior material is exposed outside the supporting seat; (b) placing the ball shaped interior material and the supporting seat in a chamber; (c) covering a wrapping material on the chamber; (d) vacuum pumping the chamber, so that the wrapping material is attached to the exposed part of the outer surface of the ball shaped interior material; (e) releasing the vacuum of the chamber; and (f) rotating the ball shaped interior material, and repeating the step (a) to step (e) at least one time.
Description
- 1. Field of the Invention
- The present invention relates to a ball shaped product and a method for making the same, and more particularly to a ball shaped product and a method for making the same by using vacuum suction.
- 2. Description of the Related Art
- Among various types of balls, considering a simple ball body, the entire ball body is formed by means of directly injection molding a rubber material. Based on the requirements of appearance, tactile, texture, or sports competition, a machine sewing process or hand sewing process is further developed. In such process, a bladder needs to be disposed inside the ball body for reason of sewing, the air is filled into the bladder during inflation, such that the bladder inflates the ball body, and then a surface cover of the ball is machine sewn or hand sewn onto the bladder. Conventionally, materials for making the surface cover of the ball include thermoplastic urethane (TPU), polyvinyl chloride (PVC), and polyurethane (PU), which are nonfoamed or single-layer foamed.
- The conventional ball making process has disadvantages of consuming much labor and time, and having a bottleneck in terms of production capacity, yield and quality. In addition, only a small range of materials can be used.
- Therefore, it is necessary to provide a novel and inventive ball shaped product and method for making the same to solve the above problems.
- The present invention provides a method for making a ball shaped product, comprising the following steps of: (a) placing a ball shaped interior material on a supporting seat, wherein a part of an outer surface of the ball shaped interior material is exposed outside the supporting seat; (b) placing the ball shaped interior material and the supporting seat in an accommodating space of a chamber, wherein the chamber has an opening; (c) covering a wrapping material on the opening of the chamber; (d) vacuum pumping the chamber, so that the wrapping material is attached to the exposed part of the outer surface of the ball shaped interior material; (e) releasing the vacuum of the chamber; and (f) rotating the ball shaped interior material, and repeating the step (a) to step (e) at least one time.
- The present invention further provides a method for making a ball shaped product, comprising the following steps of: (a) placing a ball shaped interior material on a first supporting seat, wherein a first outer surface of the ball shaped interior material is exposed outside the first supporting seat; (b) placing the ball shaped interior material and the first supporting seat in an accommodating space of a first chamber, wherein the first chamber has an opening; (c) covering a first wrapping material on the opening of the first chamber; (d) vacuum pumping the first chamber, so that the first wrapping material is attached to the first outer surface of the ball shaped interior material; (e) releasing the vacuum of the first chamber; (f) rotating the ball shaped interior material, and then placing the ball shaped interior material on a second supporting seat, wherein a second outer surface of the ball shaped interior material is exposed outside the second supporting seat; (g) placing the ball shaped interior material and the second supporting seat in an accommodating space of a second chamber, wherein the second chamber has an opening; (h) covering a second wrapping material on the opening of the second chamber; and (i) vacuum pumping the second chamber, so that the second wrapping material is attached to the second outer surface of the ball shaped interior material.
- In the present invention, a large area can be wrapped in each vacuum wrapping process, and the vacuum wrapping process is fast and thus can save labor and time, and improves the production capacity, yield and quality. In addition, a wide range of materials can be used.
- The present invention further provides a ball shaped product, comprising a ball shaped interior material and less than four wrapping materials. The wrapping materials are adhered to the ball shaped interior material.
- The invention will be described according to the appended drawings in which:
-
FIGS. 1 to 8 are schematic views of an embodiment of a method for making a ball shaped product of the present invention; and -
FIG. 9 is a schematic view of another embodiment of a supporting seat used in the method for making a ball shaped product of the present invention. -
FIGS. 1 to 8 are schematic views of an embodiment of a method for making a ball shaped product of the present invention. Referring toFIG. 1 , a first chamber 1 is provided. In this embodiment, the first chamber 1 is a vacuum wrapping machine, having anaccommodating space 10, an opening 11 and at least onevacuum channel 12. - Referring to
FIG. 2 , a first supportingseat 2 is provided. In this embodiment, the first supportingseat 2 has anouter periphery 21, which defines arecess 22. Therecess 22 may be half of a perfect spherical shape, half of an elliptical spherical shape, half of an egg shape or half of other spherical shapes. In other embodiments, therecess 22 may be one third, two thirds, one quarter, three quarters or other proportions of a spherical shape. An upper end of theouter periphery 21 is located at the same horizontal height, that is, the upper end of theouter periphery 21 is a plane. - Referring to
FIG. 3 , a ball shapedinterior material 3 is placed on the first supportingseat 2. In this embodiment, the ball shapedinterior material 3 is a bladder and may have a perfect spherical shape, an elliptical spherical shape, an egg shape or other shapes. The ball shapedinterior material 3 is received in therecess 22, that is, a part of an outer surface of the ball shapedinterior material 3 is exposed outside the first supportingseat 2, and the other part of the outer surface is surrounded by theouter periphery 21 of the first supportingseat 2. In this embodiment, a firstouter surface 31 of the ball shapedinterior material 3 is exposed outside the first supportingseat 2, and a secondouter surface 32 of the ball shapedinterior material 3 is surrounded by theouter periphery 21 of the first supportingset 2. - Then, the ball shaped
interior material 3 and the first supportingseat 2 are placed in theaccommodating space 10 of the first chamber 1. In this embodiment, the method further includes a step of forming an adhesive layer (not shown) on the firstouter surface 31. It should be understood that, if the outer surface of the ball shapedinterior material 3 is adhesive, this step may be omitted. - Then, a
first wrapping material 4 is completely covered on the opening 11 of the first chamber 1. In this embodiment, the material of the first wrappingmaterial 4 is thermoplastic urethane (TPU), polyurethane (PU), rubber, polyvinyl chloride (PVC), nylon, polyethylene terephthalate (PET) or polycarbonate (PC). Preferably, thefirst wrapping material 4 has an adhesive layer (not shown) on a lower surface thereof, and has texture on an upper surface thereof. - Referring to
FIG. 4 , the first chamber 1 is vacuum pumped through thevacuum channel 12, so that the first wrappingmaterial 4 is drawn down rapidly by vacuum suction, and then attached to the exposed part of the outer surface (that is, the first outer surface 31) of the ball shapedinterior material 3. In this embodiment, thefirst wrapping material 4 is adhered to the exposed part of the outer surface (that is, the first outer surface 31) of the ball shapedinterior material 3. Preferably, the temperature of the first chamber 1 is controlled between room temperature and 250° C. - Referring to
FIG. 5 , after the vacuum of the first chamber 1 is released, the first wrappingmaterial 4 that is not attached to the ball shapedinterior material 3 is cut away, so that only thefirst wrapping material 4 located on the firstouter surface 31 is left. In other embodiments, the cutting step at this time may be omitted, and an excess of the wrapping material is cut away once for all after the wrapping process is completed. - Referring to
FIG. 6 , the ball shapedinterior material 3 is rotated, and then placed on a second supportingseat 2 a, wherein the secondouter surface 32 of the ball shapedinterior material 3 is exposed outside the second supportingseat 2 a. The second supportingseat 2 a has anouter periphery 21 a, which defines arecess 22 a. In this embodiment, the second supportingseat 2 a and the first supportingseat 2 are the same supporting seat, or different supporting seats having the same appearance, because therecesses seat 2 a and the first supportingseat 2 may be supporting seats having different appearances. - Then, the ball shaped
interior material 3 and the second supportingseat 2 a are placed in anaccommodating space 10 a of asecond chamber 1 a. Thesecond chamber 1 a is a vacuum wrapping machine, having theaccommodating space 10 a, an opening 11 a and at least onevacuum channel 12 a. In this embodiment, thesecond chamber 1 a and the first chamber 1 are the same chamber; however, in other embodiments, thesecond chamber 1 a and the first chamber 1 are different chambers. In this embodiment, the method further includes a step of forming an adhesive layer (not shown) on the secondouter surface 32. It should be understood that, if the outer surface of the ball shapedinterior material 3 is adhesive, this step may be omitted. - Then, a second wrapping
material 4 a is completely covered on the opening 11 a of thesecond chamber 1 a. In this embodiment, the material of the second wrappingmaterial 4 a is thermoplastic urethane (TPU), polyurethane (PU), rubber, polyvinyl chloride (PVC), nylon, polyethylene terephthalate (PET) or polycarbonate (PC). Preferably, thesecond wrapping material 4 a has an adhesive layer (not shown) on a lower surface thereof, and has texture on an upper surface thereof. The second wrappingmaterial 4 a and the first wrappingmaterial 4 are the same or different. - Referring to
FIG. 7 , thesecond chamber 1 a is vacuum pumped through thevacuum channel 12 a, so that the second wrappingmaterial 4 a is drawn down rapidly by vacuum suction, and then attached to the exposed part of the outer surface (that is, the second outer surface 32) of the ball shapedinterior material 3. In this embodiment, thesecond wrapping material 4 a is adhered to the exposed part of the outer surface (that is, the second outer surface 32) of the ball shapedinterior material 3. - Referring to
FIG. 8 , after the vacuum of thesecond chamber 1 a is released, the second wrappingmaterial 4 a that is not attached to the ball shapedinterior material 3 is cut away, thus fabricating a ball shapedproduct 5. It should be understood that, if the first wrappingmaterial 4 that is not attached to the ball shapedinterior material 3 is not cut away in the step ofFIG. 5 , the cutting step at this time is cutting away thefirst wrapping material 4 and the second wrappingmaterial 4 a that are not attached to the ball shapedinterior material 3. -
FIG. 9 is a schematic view of another embodiment of a supporting seat used in the method for making a ball shaped product of the present invention. The supportingseat 2 b of this embodiment is substantially the same as the first supportingseat 2 shown inFIG. 2 , except that the upper end of theouter periphery 21 b of the supportingseat 2 b has ridges and valleys, for example, a tooth shape. It should be understood that, theouter periphery 21 b of the supportingseat 2 b may also have other shapes. - In this embodiment, the vacuum wrapping process is performed two times. However, in other embodiments, if a specially designed supporting seat is provided, the vacuum wrapping process may also be performed three times or more than four times, with one third or less than one quarter of the ball shaped
interior material 3 being wrapped each time. - In this embodiment, a large area can be wrapped in each vacuum wrapping process, and the vacuum wrapping process is fast and thus can save labor and time, and improves the production capacity, yield and quality. In addition, a wide range of materials can be used.
-
FIG. 8 is a schematic cross-sectional view of an embodiment of a ball shaped product of the present invention. The ball shapedproduct 5 includes a ball shapedinterior material 3 and a plurality of wrapping materials. The wrapping materials are adhered to the ball shapedinterior material 3. In this embodiment, the ball shapedinterior material 3 is a bladder and may have a perfect spherical shape, an elliptical spherical shape, an egg shape or other shapes. The ball shapedinterior material 3 has a firstouter surface 31 and a secondouter surface 32. The number of the wrapping materials is two, which are respectively afirst wrapping material 4 and asecond wrapping material 4 a. Thefirst wrapping material 4 and thesecond wrapping material 4 a are respectively adhered to the firstouter surface 31 and the secondouter surface 32 of the ball shapedinterior material 3 by vacuum suction. - The material of the
first wrapping material 4 is thermoplastic urethane (TPU), polyurethane (PU), rubber, polyvinyl chloride (PVC), nylon, polyethylene terephthalate (PET) or polycarbonate (PC). The material of thesecond wrapping material 4 a is thermoplastic urethane (TPU), polyurethane (PU), rubber, polyvinyl chloride (PVC), nylon, polyethylene terephthalate (PET) or polycarbonate (PC). Thesecond wrapping material 4 a and thefirst wrapping material 4 are the same or different. - Preferably, the ball shaped
product 5 further includes an adhesive layer (not shown), located between the ball shapedinterior material 3 and thewrapping materials - The principle and the efficacies of the present invention have been disclosed above, and are not intended to limit the present invention. Therefore, modifications and variations of the embodiments made by persons skilled in the art do not depart from the spirit of the present invention. Therefore, the protection scope of the present invention is defined by the scope of the following claims.
Claims (10)
1. A method for making a ball shaped product, comprising:
(a) placing a ball shaped interior material on a supporting seat, wherein a part of an outer surface of the ball shaped interior material is exposed outside the supporting seat;
(b) placing the ball shaped interior material and the supporting seat in an accommodating space of a chamber, wherein the chamber has an opening;
(c) covering a wrapping material on the opening of the chamber;
(d) vacuum pumping the chamber, so that the wrapping material is attached to the exposed part of the outer surface of the ball shaped interior material;
(e) releasing the vacuum of the chamber; and
(f) rotating the ball shaped interior material, and repeating the step (a) to step (e) at least one time.
2. The method according to claim 1 , wherein in the step (c), the material of the wrapping material is thermoplastic urethane (TPU), polyurethane (PU), rubber, polyvinyl chloride (PVC), nylon, polyethylene terephthalate (PET) or polycarbonate (PC).
3. The method according to claim 1 , wherein in the step (c), the wrapping material has an adhesive layer.
4. The method according to claim 1 , wherein after the step (e) or step (f), the method further comprises a step of cutting away the wrapping material that is not attached to the ball shaped interior material.
5. A method for making a ball shaped product, comprising:
(a) placing a ball shaped interior material on a first supporting seat, wherein a first outer surface of the ball shaped interior material is exposed outside the first supporting seat;
(b) placing the ball shaped interior material and the first supporting seat in an accommodating space of a first chamber, wherein the first chamber has an opening;
(c) covering a first wrapping material on the opening of the first chamber;
(d) vacuum pumping the first chamber, so that the first wrapping material is attached to the first outer surface of the ball shaped interior material;
(e) releasing the vacuum of the first chamber;
(f) rotating the ball shaped interior material, and then placing the ball shaped interior material on a second supporting seat, wherein a second outer surface of the ball shaped interior material is exposed outside the second supporting seat;
(g) placing the ball shaped interior material and the second supporting seat in an accommodating space of a second chamber, wherein the second chamber has an opening;
(h) covering a second wrapping material on the opening of the second chamber; and
(i) vacuum pumping the second chamber, so that the second wrapping material is attached to the second outer surface of the ball shaped interior material.
6. The method according to claim 5 , wherein after the step (a), the method further comprises a step of forming an adhesive layer on the first outer surface; and after the step (f), the method further comprises a step of forming an adhesive layer on the second outer surface.
7. The method according to claim 5 , wherein in the step (c), the first wrapping material has an adhesive layer; and in the step (h), the second wrapping material has an adhesive layer.
8. A ball shaped product, comprising:
a ball shaped interior material; and
less than four wrapping materials, adhered to the ball shaped interior material.
9. The ball shaped product according to claim 8 , wherein the ball shaped interior material is a bladder and has a perfect spherical shape, an elliptical spherical shape or an egg shape; and the ball shaped product further comprises an adhesive layer, located between the ball shaped interior material and the wrapping materials.
10. The ball shaped product according to claim 8 , wherein the material of the wrapping material is thermoplastic urethane (TPU), polyurethane (PU), rubber, polyvinyl chloride (PVC), nylon, polyethylene terephthalate (PET) or polycarbonate (PC); the wrapping materials are adhered to the ball shaped interior material by vacuum suction; and the number of the wrapping materials is two.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/687,067 US9616611B2 (en) | 2012-02-15 | 2015-04-15 | Method for making a ball shaped product |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW101104983 | 2012-02-15 | ||
TW101104983A TWI457162B (en) | 2012-02-15 | 2012-02-15 | Ball shaped product and method for making the same |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US14/687,067 Division US9616611B2 (en) | 2012-02-15 | 2015-04-15 | Method for making a ball shaped product |
Publications (1)
Publication Number | Publication Date |
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US20130210561A1 true US20130210561A1 (en) | 2013-08-15 |
Family
ID=48946047
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/760,541 Abandoned US20130210561A1 (en) | 2012-02-15 | 2013-02-06 | Ball shaped product and method for making the same |
US14/687,067 Active 2033-05-28 US9616611B2 (en) | 2012-02-15 | 2015-04-15 | Method for making a ball shaped product |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US14/687,067 Active 2033-05-28 US9616611B2 (en) | 2012-02-15 | 2015-04-15 | Method for making a ball shaped product |
Country Status (2)
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US (2) | US20130210561A1 (en) |
TW (1) | TWI457162B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109675267A (en) * | 2019-01-24 | 2019-04-26 | 高州市荣成体育用品有限公司 | Turn over ball dress gallbladder all-in-one machine |
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Also Published As
Publication number | Publication date |
---|---|
US9616611B2 (en) | 2017-04-11 |
TWI457162B (en) | 2014-10-21 |
US20150217501A1 (en) | 2015-08-06 |
TW201332618A (en) | 2013-08-16 |
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Legal Events
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AS | Assignment |
Owner name: SAN FANG CHEMICAL INDUSTRY CO., LTD., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FENG, CHUNG-CHIH;YAO, I-PENG;WANG, KO-FENG;AND OTHERS;REEL/FRAME:029906/0413 Effective date: 20130207 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |