DE273952C - - Google Patents
Info
- Publication number
- DE273952C DE273952C DENDAT273952D DE273952DA DE273952C DE 273952 C DE273952 C DE 273952C DE NDAT273952 D DENDAT273952 D DE NDAT273952D DE 273952D A DE273952D A DE 273952DA DE 273952 C DE273952 C DE 273952C
- Authority
- DE
- Germany
- Prior art keywords
- valve
- air
- closure
- rubber
- leather
- 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.)
- Active
Links
- 239000010985 leather Substances 0.000 claims description 8
- 210000000056 organ Anatomy 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 210000004712 air sac Anatomy 0.000 description 3
- 241000719239 Oligoplites altus Species 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- A63B41/08—Ball covers; Closures therefor
- A63B41/085—Closures
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE273952C true DE273952C (en:Method) |
Family
ID=530359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT273952D Active DE273952C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE273952C (en:Method) |
-
0
- DE DENDAT273952D patent/DE273952C/de active Active
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