CN2442705Y - Laminate for bottom board of table tennis bat - Google Patents
Laminate for bottom board of table tennis bat Download PDFInfo
- Publication number
- CN2442705Y CN2442705Y CN00257302U CN00257302U CN2442705Y CN 2442705 Y CN2442705 Y CN 2442705Y CN 00257302 U CN00257302 U CN 00257302U CN 00257302 U CN00257302 U CN 00257302U CN 2442705 Y CN2442705 Y CN 2442705Y
- Authority
- CN
- China
- Prior art keywords
- laminate
- utility
- model
- bottom board
- wood chip
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a laminate for a bottom board of a table tennis bat. The laminate is composed of three layers, and cross grain wood sheets and vertical grain wood sheets are alternately bound together. The laminate provided by the utility model is still more even and smooth than a wood sheet which has the same thickness as the utility model, and the utility model does not deform and twist easily. When the laminate is added to a bottom board of a table tennis bat, integrated rigidity, elasticity, speed, rotation, and other performance can be enhanced for the bottom board, and thereby, the requirements of a ping pong ball, the diameter of which is psi 40, are satisfied.
Description
The utility model belongs to a kind of laminate that is used for base plate of ping-pong bat.
Known base plate of ping-pong bat generally by the wooden thin slice of the different numbers of plies, adds that sticking pressure of adhesive forms.The performance indications of its structural design decision base plate, and these performance indications are parameters such as elasticity, speed, rotation, volume and weight for the table tennis that adapts to original use.The decision of existing International Table Tennis Federation begins to use without exception φ 40 diameter tablees tennis in regulation game from October, 2000.Great changes have taken place on parameters such as elasticity, speed, rotation, volume and weight for big table tennis, and velocity of shuttle flight and rotary speed slow down to show as mainly that volume strengthens and the weight increase causes rattling, simultaneously because the surface area increasing causes flexibility decrease.Like this, use base plate can not overcome the negative effect that brings thus by original table tennis parameter designing and making.
The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of laminate that is used for base plate of ping-pong bat is provided, and this laminate is added in the base plate of ping-pong bat, can adapt to the needs of φ 40 diameter tablees tennis.
Technical solution of the present utility model is: laminate is formed by three layers, and band wood chip and perpendicular line wood chip alternately are bonded together.
The laminate that the utility model provides has characteristics more even, smooth, not yielding, distortion than the wood chip of stack pile.This laminate is added performances such as the comprehensive hardness that can improve base plate in base plate of ping-pong bat, elasticity, speed, rotation, to adapt to the needs of φ 40 diameter tablees tennis.
Accompanying drawing 1 is the profile of the utility model laminate intermediate layer for perpendicular line wood chip.
Accompanying drawing 2 is the profile of band wood chip for the utility model laminate intermediate layer.
Below in conjunction with accompanying drawing the utility model is described in detail.A kind of laminate that is used for base plate of ping-pong bat of the utility model is formed by three layers, and the intermediate layer is perpendicular line wood chip 1, and the upper and lower are band wood chip 2.Three layers are bonded together through high temperature, high pressure.Laminate also can be that the intermediate layer is a band wood chip 2, and the upper and lower are perpendicular line wood chip 1.The thickness of each layer of laminate is 0.6-0.8mm.Wood chip can be made through processing such as boiling, degreasing, oven dry by Qu Liu, birch, linden, paulownia wood or other material etc.The utility model laminate can add one deck, two-layer or three layers in base plate of ping-pong bat, alternately be bonded together with common wood chip.
Claims (4)
1, a kind of laminate that is used for base plate of ping-pong bat is characterized in that laminate forms by three layers, and band wood chip and perpendicular line wood chip alternately are bonded together.
2, the laminate that is used for base plate of ping-pong bat according to claim 1 is characterized in that the intermediate layer of laminate is perpendicular line wood chip, and the upper and lower are the band wood chip.
3, the laminate that is used for base plate of ping-pong bat according to claim 1, the intermediate layer that it is characterized in that laminate is the band wood chip, the upper and lower are perpendicular line wood chip.
4, the laminate that is used for base plate of ping-pong bat according to claim 1, the thickness that it is characterized in that each layer in the laminate is 0.6-0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00257302U CN2442705Y (en) | 2000-10-30 | 2000-10-30 | Laminate for bottom board of table tennis bat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00257302U CN2442705Y (en) | 2000-10-30 | 2000-10-30 | Laminate for bottom board of table tennis bat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2442705Y true CN2442705Y (en) | 2001-08-15 |
Family
ID=33613854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00257302U Expired - Fee Related CN2442705Y (en) | 2000-10-30 | 2000-10-30 | Laminate for bottom board of table tennis bat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2442705Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102256671B (en) * | 2008-12-19 | 2013-09-04 | 米其林企业总公司 | Table tennis racket |
-
2000
- 2000-10-30 CN CN00257302U patent/CN2442705Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102256671B (en) * | 2008-12-19 | 2013-09-04 | 米其林企业总公司 | Table tennis racket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010815 Termination date: 20091130 |