US2483113A

US2483113A - Coating material

Info

Publication number: US2483113A
Application number: US676585A
Authority: US
Inventors: Frederick G Tcrwilliger
Original assignee: Individual
Current assignee: Individual
Priority date: 1946-06-13
Filing date: 1946-06-13
Publication date: 1949-09-27
Anticipated expiration: 1966-09-27

Description

Patented Sept. 27, 1949 UNITED STATES PATENT ore-m1:

COATING MATERIAL Frederick G. Terwfliigcr. momma Heights. OMB

No Drawing. Application Serial No. 673,5

8 Claims. 1 r

This invention relates, as indicated, to novel coating material and more partioulariy'to a coating material intended to be applied to composi* tion bowling balls and the like.

With the recent widespread increase in popularity of the game of bowling, a wide variety of accessories have been developed to increase the precision with which the game may be played. The heavy standard composition bowling ball is provided with holes serving as finger grips and the ball is rolled downa wooden "al1ey against a number of pins. Those skilled in the game are able to control the path of the ball by imparting a twist or spin to it, causing it to follow an armatepath. Diiliculty is, however, often encountered in properly holding or gripping the heavy ball and the latter not infrequently slips from the hand in a manner not intended by the one releasing the same. Furthermore, after the ball has been released, it will generally skid for some distance along the alley before commencing to roll under the influence of the twist or spin imparted to it by the bowler. While most alleys are kept as clean as possible, it is found that the balls quickly accumulate small bits of dirt on their surfaces, some of which is apparently due to the composition ball becoming electrostatically charged as it skids on the surface of the alley.

In an effort to overcome some of the foregoing troubles, it is common practice with some bowlers to apply powdered chalkto their hands while others use a mixture of parafiln'wax and rosin. One disadvantage of the'latter mixture is that it tends to crumble and is also likely to be unduly tacky when applied to the hands or the finger grips in the .ball, largely because of the low melting point of such composition.

It is therefore a primary object of my invention to provide a new composition which may be applied to the hands or to the surface including the grip holes of a bowling ball and which will inhibit undesired slipping of the ball either from the hand of the bowler or along the floor of the alley.

Another object of my lnvention'is to provide such composition which will inhibit dirt' collecting of the ball in use. p

Still another object of my invention is to provide such composition which, while preventing slipping or skidding, will nevertheless not be sticky or tacky. Y

Qther objects of my invention will appear as the description proceeds.

To the accomplishment of the foregoing and related ends, the invention, then, comprises the features hereinafter fully described, and particularly pointed out in the claims, the following de scription setting forth in detail certain illustrative embodiments of the invention, these being indicative, however. of but. a few of the. various June 13. 1946.

ways in which the principle of the invention may be employed.

In general, I have found that if a major proportion of a mlcroorystalline wax be admixed with a small amount of a liquid fat, such composition may be readily applied to the hands of the bowler or to the surface of a composition bowling ball and will effectively prevent slipping and skidding of the ball. More particularly, 1 have found that a microcrystalline wax of petroleum origin having a melting point between F". and 175 F. may be employed, but it is much preferred that such a wax having a melting point between 150 F. and 160 F. be used. The properties of a preferred microcrystaliine wax which I have employed with exceptional results are as follows:

Melting point, ASTM. minutes Needle penetration at 77 F. ASTM 25*35 Color, Lovibond .s.-.......--.. 150/200 S. U. viscosity at 210 F. (approx) a...

p seconds.a 70 Flash. C. O. C.. F. (minimum) can..- 460 Gravity. A1 1 (approx) -a-.. -M- 36.0

The small amount of fat incorporated with such wax will preferably be in the form of a liquid fat or oil of which the following are specific examples:

Lard oil Sperm oil Linseed oil Sesame oil Cocoa oil F Degras oil obtained from sheep wool Of the above listed fats, the first three give particularly good results. Among the fats not liquid at room temperature lard has been found to be among the best, although, as above indicated, liquid fats are to be preferred.

Ordinarily, the ingredients will be mixed in proportions of from .90 to 99% of microcrystalline wax and from 10% to 1% of liquid fat. other ingredients may of course be incorporated which do not harm the effectiveness of mycomposition for its intended purpose, including various types of coloring matter to render the composition more attractive in appearance. The ingredients may be blended by bringing the wax to a temperature slightly above its melting point and then incorporating the fatty oil with suflicient agitation to exact amount will depend upon the precise in gradients used. .From about2% to 3% of the fat usually gives best results and a superior composi tion was obtained by combining 2 A of linseed 60 oil (by weight) with 9'1 /a% of a. microcrystalline wax of the specification set forth above. The incorporation of this small amount of fat did not reduce the melting point of the wax consequen tially but rendered it more soft andplasti iacilitating application in a'thinner coating to the hard surface of the composition bowling ball.

As above indicated, the composition of my in-T vention may be applied to the hands toobtaina non-s1ip grip on the ball without, however, there being any danger of the fingers sticking in the grip holes when it is released. -My composition may also be applied to the entire outer surface dirt collecting in use comprising in combination from 90% to 99% of a micro-crystalline wax of petroleum origin having a melting point between 150 F. and 175 F. and from 10% to 1% of a fat.

2. As a new article of manufacture, a composition bowling ball coated with a thin film of a of the ball in the form of a very thin coating thereon by first applying such material to a rotating buff and then holding the ball against the buff 50- treated. Not only is a ball coated in this manner readily handled without danger of accidental dropping or release, but such ball will commence to roll the moment it hits-the floor of the alley without first skidding. Furthermore, such ball will not pick up. small bits of dirt from the alleyas is usually the case, but continues to remain clean for a longperiod of use. In fact, it is ordinarily not necessary to clean or re-coat the ball more often than once every two weeks.

I have found that while the composition of my invention may be readily applied to the hard smooth surface of composition bowling balls, similarly satisfactory results are not obtained when attempting to apply the material to the wooden floor of an alley, Such bowling balls are generally made of hard natural rubber, with certain coloring matter and filler materials added, although hard synthetic rubber has also been employed. My'new composition is particularly adapted for application to bowling balls of such material and readily forms a thin but tough coating thereon. Apparently such coating also serves to insulate the hard rubber ball and prevent the same from becoming electrostatically charged. In any case, the ball-so treated will no longer tend to attract and pick up small bits of dirt from the alley. Since such coating keeps the ball from skidding along the floor with resultant friction, this action may likewise reduce the tendency of the ball to become electrostatically charged. The coating, is quite-hard and, as above indicated, not sticky, so that it will not itself pick up dirt. Yet if plain microcrystalline wax with no admixed fat be applied, which is done with difficulty, dirt will nevertheless adhere to the ball. V V

From the foregoing it will be apparent that I have provided a new composition and a method of treating bowling balls which render it much easier to control the ball in use without any attendant disadvantages resulting from tackiness of the applied material.

As above indicated, only a small amount of the fat will be incorporated in my new comoosition as it is not desired to reduce the melting point too far below that of the plain microcrystalline wax. By employing only amounts on the order of 2% to 3% of the liquid fat a solid composition is obtained of desired melting point and plasticity characteristics while a composition including appreciably more than 10% of the fat will be unsatisfactory for my purpose.

Other modes of applying the principle of the invention may be employed, change being made as regards the details described, provided the mixture of from 90% to 99% of a micro-crystalline wax of petroleum origin having a melting point between 150 F. and 175 F. and from 10% to 1% of a liquid fat.

. 3. A composition for coating synthetic composition bowling balls to inhibit slipping and dirtcollecting in use comprising in combination from to 99% of a microcrystalline wax of petroleum origin having a. melting point between F. and F. and from 10% to 1% oL a liquid fat.

4. A composition for coating synthetic composition bowling balls to inhibit slipping and dirtcollecting in use comprising in combination from 90% to.99% of a micro-crystalline wax of petroleum origin having a melting point between 150 F. and 160 F. and from 10% to 1% of lard oil.

5. A composition for coating synthetic composition bowling balls to inhibit slipping and dirtoollecting in use comprising in combination from 90% to 99% of a micro-crystalline wax of petroleum origin having a melting point between 150 F. and 160 F. and from 10% to 1% of sperm oil.

6. A composition for coating synthetic composition bowling balls to inhibit slipping and dirtcollecting in use comprising in combination from 90% to 99% of a micro-crystalline wax of petroleum origin having a melting point between 150 F. and 160 F. and from 10% to 1% of linseed oil. I

7. A composition for coating synthetic composition bowling balls to inhibit slipping and dirtcollecting in use comprising in combination from 97% to 98% of a micro-crystalline wax of petroleum origin having a melting point between 150 F. and 160 F. and from 3% to 2% of linseed oil. r

8. A composition for coating synthetic composition bowling balls to inhibit slipping and dirtcollecting in use comprising in combination from 97% to 98% of a micro-crystalline wax of petroleum origin having a melting point between 150 Ftand 160 F. and from 3% to 2% of a liquid FREDERICK G. TERWILLIGER.

REFERENCES CITED The following'references are of record in the fileof this patent: Y

.UNITED STATES PATENTS" Date Chemical Technology and Analysis of Oils, Fats and Waxes, LewkowitscnvoLI. page 4, and vol. III, page 414.