CA1072996A - Baseball bat made of fiber-reinforced plastics - Google Patents

Baseball bat made of fiber-reinforced plastics

Info

Publication number
CA1072996A
CA1072996A CA 255426 CA255426A CA1072996A CA 1072996 A CA1072996 A CA 1072996A CA 255426 CA255426 CA 255426 CA 255426 A CA255426 A CA 255426A CA 1072996 A CA1072996 A CA 1072996A
Authority
CA
Grant status
Grant
Patent type
Prior art keywords
nickel
baseball bat
fiber
bat
surface
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
Application number
CA 255426
Other languages
French (fr)
Inventor
Seiichi Yanagioka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AIKOH Co
Original Assignee
AIKOH CO.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Grant date

Links

Abstract

ABSTRACT OF THE DISCLOSURE

A baseball bat made of fiber-reinforced plastics and having a surface which is plated with nickel or a nickel based alloy.

Description

:~O'~Z~9G

This invention relates to an improvement of a base-ball bat made of fiber-reinforced plastics (hereinafter referred to as FRP).
Being superior in tensile strength and bending strength FRP is desirably used for baseball bats. However, the hardness which is one of the defects of resinous products is relativel~ less than that of metallic materials. It is therefore likely that the bat will be worn subject to friction accompanied by impulsion and that surface scratches of the bat will occur on the surface of the bat which strikes the ball. This causes much unevenness on this surface due to said scratches and cracks so that the bat is usually disposed of before breaking.
According to the present invention the FRP bat is plated with nickel or a nickel base alloy on its batting surface to offset the defects, so as to make the surface hard and be coated with a viscous coating layer and to decrease the surface scratches caused by batting.
In the plating of nickel base alloysBrinell hardness ' 20 number for pure nickel is 250 - 500 but that for nickel-phosphorus and nickel-boron alloys is more than 400 to show a higher numerical value and a stronger resistance against coming , off than ordinary steels. So far as hardness is concerned plated metals such as chrome, tungsten and rhodium, which !
are superior to nickel, are lacking in viscosity and inferior to nickel in impulsion. As for other soft metals they have poor wear-resistancy, and it is recognized that nickel ~, or nickel alloy is best for the balance of hardness and viscosity as a metal for coating the surface of baseball bats made of , 30 FRP. Further, a nickel-phosphorus alloy or a nickel-boron alloy may be given increased hardness by heat treatment so ,1 .

- , ., . - ~ . .

~ Z996 that if heat treatment is effected by determining, according to the kind of FRP, the temperature range which may not have influence upon FRP material, there will be obtained raised hardness fit for temperature.
As regards the plating method, similar plated members can be obtained irrespecti~-e of electroplating method and electroless plating method, but the electroless plating method is superior for uniform plating on the bat surface.
The FRP materials of the bat having on its surface nickel plating or nickel alloy plating according to the invention, may be selected, as a resinous matrix, according to cost and the kind of ball from among thermosetting resins such as phenol resin, epoxy resin, unsaturated polyester resin and methacrylic acid resin and thermoplastic resins such as ABS resin, AS resin, polyoxymethylene resin, nylon, polycarbonate resin, polystyrene resin and polyvinyl chloride resin. Further, the reinforcing materials are made in the form of cotton, twisted yarn, cloth or felt of natural or artificial inorganic fibers such as glass wool, asbestos fiber, rock wool, slag wool, kaolin fiber and carbonaceous fiber; these being sometimes blended, mixed spun, mixed woven or laminated with hemp, cotton, silk, synthetic fiber, artificial cellulosic fiber and paper fiber; finally moulding a baseball bat. That is to say these materials are same as the FRP materials employed for other general purposes.
The invention will now be described further, by way of example, only, with reference to the accompanying drawing which shows a schematic sectional view of a baseball bat made of FRP according to this invention.

, lO~Z996 In the drawing A depicts the baseball bat of the invention and reference numeral 2 is a nickel or nickel alloy plati~g layer, reference 1 is an FRP material and numeral 3 is a hollow portion.
The FRP moulded to form a bat will be plated under the following conditions as an example.
(1) Material: Unsaturated polyester resin reinforced with glass cloth

(2) Plating Process:
(i) The resin is first etched with an aqueous solution of anhydrous chromic acid in dilute sulfuric acid and then washed by water.
! (ii) Secondly the resin is activated with an aqueous solution of palladium chloride and then washed by water.
(iii) Electroless plating of nickel Plating melt composition:
Nickel pyrophosphate: 26.7 g/l.
Ortho-boric acid: 1.2 g/l.
Ammonium sulphate: 2.6 g/l.
Sodium acetate: 4.9 g/l.
pH: 5.7 g/l.
Plating temperature: 21C
Plating time: 20 Hrs.
The following is a plating layer for which an electroless plating was carried out under the above conditions.
Plating thickness: 20~
Plating layer composition: 6.5% P-Ni alloy Plating layer hardness:
30Just and only adhered: 450 Hv Heat-treated for drying at 120C:600 Hv '

- 3 -. ~ :
~3` ..
- , ''': ~.

Claims (5)

THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A baseball bat comprising an elongated body composed of fiber-reinforced plastic material said bat comprising a surface for hitting a baseball and having on said surface a metallic plating selected from the group consisting of nickel and nickel base alloys.
2. The baseball bat of claim 1 wherein said metallic plating has a Brinell hardness of at least 250.
3. The baseball bat of claim 1 wherein said metallic plating is nickel.
4. The baseball bat of claim 1 wherein said metallic plating is composed of at least one nickel base alloy selected from the group consisting of nickel-phosphorus and nickel-boron alloys.
5. The baseball bat of claim 1 wherein said elongated body has a hollow interior.

- ? -
CA 255426 1976-04-27 1976-06-22 Baseball bat made of fiber-reinforced plastics Expired CA1072996A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5219276U JPS52144058U (en) 1976-04-27 1976-04-27

Publications (1)

Publication Number Publication Date
CA1072996A true CA1072996A (en) 1980-03-04

Family

ID=12907922

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 255426 Expired CA1072996A (en) 1976-04-27 1976-06-22 Baseball bat made of fiber-reinforced plastics

Country Status (2)

Country Link
JP (1) JPS52144058U (en)
CA (1) CA1072996A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4848745A (en) * 1986-06-04 1989-07-18 Phillips Petroleum Company Fiber reinforced article

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315414B2 (en) * 1974-08-28 1978-05-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4848745A (en) * 1986-06-04 1989-07-18 Phillips Petroleum Company Fiber reinforced article

Also Published As

Publication number Publication date Type
CA1072996A1 (en) grant
JPS52144058U (en) 1977-11-01 application

Similar Documents

Publication Publication Date Title
US4818318A (en) Method of forming composite fiber blends
US5310600A (en) Fiber reinforced polyamide resin composite material and method of manufacture thereof
US6872273B2 (en) Method of making a pultruded part with a reinforcing mat
US3691000A (en) Glass fiber reinforced composite article exhibiting enhanced longitudinal tensile and compressive moduli
US3787051A (en) Continuous fiber tennis racquet
US6429157B1 (en) Prepreg fabric and honeycomb sandwich panel
US4874563A (en) Process for preparing tows from composite fiber blends
US4309473A (en) Non-tacky strand prepreg comprising a resin composition containing a combination of (1) a thermosetting resin and (2) a high molecular weight epoxy resin and a process for forming an article from the same
US7354354B2 (en) Article comprising a fine-grained metallic material and a polymeric material
US4410586A (en) Polymers in matrix reinforcement
US4661403A (en) Yarns and tows comprising high strength metal coated fibers, process for their production, and articles made therefrom
US5633074A (en) Prepreg available for fiber reinforced thermoplastic resin and process of producing sporting goods using the same
EP0351201A2 (en) Non-shrinkable hybrid yarn
US3749558A (en) Nickel-coated steel core wires and cables
US4341823A (en) Method of fabricating a fiber reinforced metal composite
US4876143A (en) Rod material
US2930105A (en) Glass fiber material
US3063883A (en) Reinforced resin laminates
US20070281176A1 (en) Fine-grained metallic coatings having the coefficient of thermal expansion matched to the one of the substrate
US4528304A (en) Polyamide resin composition
US20020009581A1 (en) Epoxy resin composition for a fiber-reinforced composite material, yarn prepreg, and process and apparatus for preparing the same
US2424743A (en) Composite textile strand and fabric
US20020123287A1 (en) Reinforcing mat for a pultruded part
US3019515A (en) Metal coated glass fibers
US3442739A (en) Fibrous wick

Legal Events

Date Code Title Description
MKEX Expiry