Saturday 15 June 2024

CHARLES GOODYEAR & THE PATENT FOR VULCANIZATION

Today, The Grandma has been reading about Charles Goodyear, the American chemist and manufacturing engineer, who received a patent for vulcanization on a day like today in 1844.

Charles Goodyear (December 29, 1800-July 1, 1860) was an American self-taught chemist and manufacturing engineer who developed vulcanized rubber, for which he received patent number 3633 from the United States Patent Office on June 15, 1844.

Goodyear is credited with inventing the chemical process to create and manufacture pliable, waterproof, moldable rubber.

Goodyear's discovery of the vulcanization process followed five years of searching for a more stable rubber and stumbling upon the effectiveness of heating after Thomas Hancock. His discovery initiated decades of successful rubber manufacturing in the Lower Naugatuck Valley in Connecticut, as rubber was adopted to multiple applications, including footwear and tires. The Goodyear Tire and Rubber Company is named after (though not founded by) him.

Charles Goodyear was born on December 29, 1800, in New Haven, Connecticut, the son of Amasa Goodyear, and the oldest of six children. His father was a descendant of Stephen Goodyear, successor to Governor Eaton as the head of the company London Merchants, who founded the colony of New Haven in 1638.

Between the years 1831 and 1832, Goodyear heard about gum elastic (natural rubber) and examined every article that appeared in the newspapers relative to this new material.

From 1834 through 1839, Goodyear worked anywhere he could find investors, and often moved locations, mostly within New York, Massachusetts, Philadelphia, and Connecticut. 

In 1839, Goodyear was at the Eagle India Rubber Company in Woburn, Massachusetts, where he discovered that combining rubber and sulfur over a hot stove caused the rubber to become rigid, a process which he called vulcanization because of the heat involved. For this Goodyear received US patent number 1090 on February 24 of the same year.

Several years earlier, Goodyear had started a small factory at Springfield, Massachusetts, to which he moved his primary operations in 1842. The factory was run largely by Nelson and his brothers. Charles Goodyear's brother-in-law, Mr. De Forest, a wealthy woolen manufacturer became involved as well. The work of making the invention practical was continued.

In 1844, the process was sufficiently perfected and Goodyear received US patent number 3633, which mentions New York but not Springfield. Also in 1844, Goodyear's brother Henry introduced mechanical mixing of the mixture in place of the use of solvents. Goodyear sold some of these patents to Hiram Hutchinson who founded Hutchinson SA in France in 1853.

Goodyear died on July 1, 1860, while traveling to see his dying daughter. After arriving in New York, he was informed that she had already died. He collapsed and was taken to the Fifth Avenue Hotel in New York City, where he died at the age of 59.

In 1898, almost four decades after his death, The Goodyear Tire & Rubber Company was founded and named after Goodyear by Frank Seiberling.

On February 8, 1976, he was among six individuals selected for induction into the National Inventors Hall of Fame.

More information: The Enginner


I am not disposed to complain
that I have planted and others have gathered the fruits.

Charles Goodyear

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