Pressure storage for tennis

A technology of pressure storage tanks and tennis balls, applied in the field of pressure storage tanks, can solve the problems of inconvenience, labor and time, and achieve the effect of reducing the opening resistance

Inactive Publication Date: 2010-03-10
高明雄
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a new pressure storage tank for tennis balls in view of the practical problem that storing tennis balls in a spiral pressurized way is laborious, time-consuming and inconvenient.

Method used

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  • Pressure storage for tennis
  • Pressure storage for tennis
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Embodiment Construction

[0016] The accompanying drawings disclose the specific structures of the embodiments of the present invention without limitation, and the present invention will be further described below in conjunction with the accompanying drawings.

[0017] Depend on figure 1 figure 2 It can be seen that the present invention consists of a circular cup-shaped tank body 1 and a tank cover 2 that are fastened together, wherein: the outer wall of the tank body 1 along the mouth end is at least provided with a sealing groove 3 that contains a sealing ring, and the other end is along the circular cup. At least one serrated positioning catch 4 is provided on the outer wall of the shape; the front end of the mouth of the circular cup-shaped tank cover 2 is provided with at least two evenly distributed positioning hooks 5, and the root of the positioning hooks 5 is placed on the tank cover. 2 along the wall of the mouth, and extend along the ray direction of the wall; the wall of the tank cover 2...

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Abstract

The invention relates to a tennis ball pressure storage tank which comprises a tank body and a tank cover; wherein, at least a sealing groove with a seal ring is arranged along the external wall of the opening end of the tank body; a saw tooth positioning clamp tooth is arranged on the external wall section of the other end; positioning clamp hooks which are evenly distributed are arranged on thefront end of the tank opening of the tank cover; a vent hole is arranged on the wall of the tank cover; the tank body is buckled with the tank cover to be locked through the meshing of the positioningclamp hook and the positioning clamp tooth; a seal belt is formed by the seal grooves which include seal rings; the seal belt is positioned between the vent hole of the tank cover and the circular bottom of the tank cover. The tennis pressure storage tank has the advantages that the locking form that the positioning clamp hook is meshed with the positioning clamp tooth is adopted; the structure is simple; the pressure storage tank is convenient in opening and energy-saving; the gas in the tank is prevented form leaking due to the seal belt formed by the seal grooves with seal rings; the pressure inside the old tennis ball which is released for long time can recover gradually after long term high-pressure storage.

Description

technical field [0001] The invention relates to a storage tank, in particular to a pressure storage tank for storing tennis balls. Background technique [0002] According to international standard requirements, the bounce performance of tennis balls is to drop to hard ground from the height of 100 inches, and its bounce height is 53 inches to 58 inches, and its weight is 2 ounces (about 57 grams) and 2.5 inches in diameter (about 6.35 centimeters). Therefore, all tennis ball manufacturers need to fill the ball with an air pressure of about 14psi to achieve the jumping height requirement, and generally commercially available tennis balls are also packaged in metal or plastic pressurized tanks to maintain the pressure and elasticity of the ball. . [0003] But once the tennis ball is opened and used, because the internal pressure of the ball is greater than the environmental pressure, and the pressure starts to drop immediately after the tennis racket is continuously pumped, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D81/20B65D85/00B65D85/58B65D1/10B65D50/06B65D51/16
Inventor 高明雄
Owner 高明雄
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