Title: Ball and method of making same

Abstract: A ball is disclosed formed with a spherical core of polyurethane foam covered with a thin winding of cotton yarn and with a hand stitched outer cover; the ball is formed in a mold by providing a polymeric isocyanate with a mixture of water and a polyol crosslinking catalyst with the ratio between the isocyanate and the mixture of the catalyst and the water being variable to provide a ball of desired weight, resilience and density so that the ball formed by the method can duplicate such characteristics as found in regulation baseballs and softballs, for example.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Heald, Jr., Jesse H. (Tullahoma, TN, US)

Application Number: 830012
Filing Date: 1977-09-01
Publication_date: 1979-04-17
Assignee: Lannom Manufacturing Company, Inc. (Tullahoma, TN)
Primary Class(es): 473/598 273/DIG8
Other Classes:
US Patent Ref:

1803121	Apr, 1931	Meurisse	273/58.
2081531	May, 1937	Fegan	273/58.
2138004	Nov, 1938	Grau	273/60.
2743931	May, 1956	Pooley et al.	273/60.
3069170	Dec, 1962	Dillon	273/60.
3185476	May, 1965	Fechner	273/58.
3518786	Jul, 1970	Holtvoigt	273/DIG.
3644168	Feb, 1972	Bonk et al.	273/DIG.
3940145	Feb, 1976	Gentiluomo	273/218.
3976295	Aug, 1976	Heald	273/60.

Other Refs:
Primary Examiner: Marlo, George J.
Assistant Examiner:
Attorney: Mason, Fenwick & Lawrence