The Crown Cork & Seal Company was founded in Baltimore, Maryland, in 1892, for the purpose of manufacturing metal bottle caps (the "crown cork"), a technology invented in Baltimore. The invention was so successful that by 1920 the company supplied half the world's bottle caps at the rate of millions and eventually billions per year. The Crown Cork factory was one of the largest manufacturing concerns in the United States, a sprawling city within a city. The 66-year Baltimore period, from the invention in 1892 to 1958, was a significant part of the city's cultural, technological, and industrial history. The company reorganized, diversified and moved the headquarters to Philadelphia in 1958. Many of the old factory buildings in Baltimore have been rehabilitated as artist studios, small businesses, and schools.
In time, the Crown Cork & Seal Company evolved into Crown Holdings, Inc., an American multinational packaging company headquartered in Tampa, Florida, that designs and manufactures rigid-metal packaging including aluminum beverage cans, metal food cans, aerosol cans, and specialty packaging.
Background
The founder of Crown Cork & Seal was William Painter who was born in 1838 in Tridelphia, Maryland to a Quaker family. Described as an "irrepressible tinkerpreneur," he had no higher education but had the drive to "make something." In 1855, at the age of seventeen, he began an apprenticeship at a patent leather manufacturing shop in Wilmington, Delaware, where his first invention, a machine for softening leather, was reportedly stolen by his foreman. This experience taught Painter about the importance of obtaining intellectual property rights. Over his lifetime, Painter filed about 85 patents including a paper-folding machine, a counterfeit coin detector, and a safety ejection seat for passenger trains.
In the late 19th century, the market for bottled beverages like beer and soda was growing, but sealing carbonated drinks was a problem. Existing stoppers were a mix of cork, glass, wire, and rubber contraptions. They were often expensive, unsanitary, and unreliable. Corks could dry out and shrink, causing leaks, while other stoppers were difficult to clean and could affect the taste. By the 1880s, the U.S. Patent Office had approved an estimated 1,500 different bottle stopper patents. While working as a foreman at Baltimore's Murrill & Keizer machine shop, Painter became preoccupied with the bottle stopper challenge. In 1885, he patented two stoppers: the "Triumph," a wire-retaining stopper, and the "Bottle Seal" (also known as the "Baltimore loop seal"). The Bottle Seal was a simple, flat rubber disk that fit into a groove inside the bottle's mouth, forming an "inverted arch" that resisted internal pressure. It was cheap enough to be disposable, selling for just twenty-five cents per gross, a fraction of the cost of reusable stoppers. To manufacture it, Painter and his business partner Samuel Cook formed the Bottle Seal Company.
The crown cork
Despite the success of the Bottle Seal, William Painter was not satisfied. His idea was to invent something "which everybody needs, better and more cheaply provided than ever before." Between 1888 and 1891 he experimented with a new idea:Painter submitted patents for three designs between 1889 and 1891. Patent number applied for on November 5, 1889, featured a long metal skirt, a thick cork liner, and a metal loop on the top for pulling it off; this design proved flawed, as gas could escape between the skirt and the liner. Patent number , was applied for June 18, 1890, it had a slightly shorter skirt, the cork thickness was reduced, and the loop on top was removed. Patent number was applied for on May 19, 1891 — a lower patent number despite being a later application — it further shortened the skirt and reduced the cork thickness. This last patent was the final form. a metal, corrugated cap internally lined with a thin cork disk that would seal the top of the bottle, "crowning" its mouth. This approach eliminated any contact between the metal cap and the beverage, ensuring sanitation, and created a gas-tight seal perfect for carbonated drinks. The thin cork liner provided the seal, while the tin cap held it in place with a series of crimped "flutes" or corrugations that locked under the bottle's head.
Painter understood the cap's advantage as a small, cheap and most importantly a disposable product. It guaranteed never-ending sales, a very low cost to manufacture, and no ongoing stopper maintenance (collecting, cleaning, repairing). In his patent application, he noted that he had devised "metallic sealing-caps... so inexpensive as to warrant throwing them away after a single use." This concept was unusual in an era accustomed to reuse. On February 2, 1892, Painter was granted three patents for his new system: one for the cap itself, one for the sealing disk's composition, and one for the use of cork and other materials. The family dubbed the invention the "crown cap," and Painter's son Orrin drew the company's crown logo. One editor marveled that the invention "crowned one of the most troublesome inventive problems with a success which is simply dazzling."
Early years: 1892–1897
With the patent secured, the Crown Cork & Seal Company was incorporated in Baltimore on April 1, 1893, acquiring the rights to both the Bottle Seal and the new Crown Cork. The company began operations at the Bottle Seal Company's small factory at 500-506 East Monument Street. The initial reception from brewers and bottlers was chilly; many were skeptical that a small metal cap with a "tiny sliver of cork" could contain the pressure of their products. To prove its effectiveness, Painter convinced a Baltimore brewer to ship cases of crown-capped beer as ballast on a round-trip journey to South America. After forty days at sea, the beer returned perfectly preserved and carbonated, a "frothy success" that won over the industry.
Painter's inventions went beyond the cap itself; he recognized that a new closure required a new system of bottling. He told his son that the mechanisms he devised for applying the Crown Cork "had cost him more mental effort than the invention of the Crown itself." The company had to sell glass manufacturers on making bottles with a new "crown finish" — a uniform, specially shaped lip that the cap could grip securely. This required a level of precision that was a new challenge for the glass industry. To meet the needs of bottlers, Painter designed a suite of machinery. Crown Cork & Seal became the sole provider of an integrated system, manufacturing the caps, the machines to apply them, and the equipment to carbonate, blend, and fill the bottles. The company's works produced seven different kinds of filling and stoppering machines, the largest of which was the "Jumbo," an automatic power machine capable of capping 100 bottles a minute, hailed as "the most rapid and perfect machine in the history of bottling."
The company grew rapidly, supported by a sales force that included King C. Gillette, who would later invent the disposable safety razor. Gillette had joined the Baltimore Seal Company in 1891 and developed a close friendship with Painter, who advised him, "King, you are always thinking and inventing something. Why don't you try to think of something like the Crown Cork which, when once used, is thrown away, and the customer keeps coming back for more?" This advice on the value of a disposable product would profoundly influence Gillette's own future success. As demand soared, the company quickly outgrew its Monument Street facility.
Expansion and crisis: 1897-1927
In May 1897, Crown Cork & Seal moved to a factory complex on the 1500 block of Guilford Avenue (then known as York Street). The pace of growth was so fast that the new factory was almost immediately insufficient to meet demand. A December 1898 article in The Baltimore Sun reported that the plant, which had been occupied for just over a year, "already proved too small," necessitating the construction of an adjacent six-story building. The resulting complex was "one of the largest manufacturing plants in the South." By the end of 1897, the new factory was producing nearly 280 million bottle caps annually — "very close to a million pieces for every actual working day in the year."
To keep up with demand that constantly threatened to outstrip production capacity, the company adopted new industrial technology. It was one of the first manufacturers in Baltimore to purchase electricity from the city's new power plants, which allowed the factory to operate twenty-four hours per day and "meet the growing national demand for their closures." Around 1906, having outgrown the Guilford Avenue complex, the company began relocating its primary manufacturing to a new, seventeen-acre site on Eastern Avenue in Highlandtown. William Painter died in July 1906, having lived long enough to see his invention become well established and leaving the company he founded at the height of its power, although in the hands of less capable family management.
After Painter's death, the company entered a period of decline. The business "almost ran into the ground" under the management of one of his sons-in-law. The expiration of Painter's original patents in 1909 opened the company to competition. Even worse, Prohibition in 1920 eliminated in a single day the entire market for beer bottle caps. The company responded by shifting to the growing soft drink industry, but it was a weak substitute. By the later 1920s, profits were underperforming, and the company "seemed to be sinking".
McManus era: 1928–1946
The company began a new life under Charles E. McManus, a Baltimore native. McManus founded the New Process Cork Company in 1912, perfecting "composition cork," a material made from cork granules and a binder. It was cheaper and more effective than pure natural cork for sealing bottles. In the early 1920s, while on a commercial flight to Cuba, he happened to be seated next to the husband of Painter's granddaughter, who confided in him about the family company troubles. That chance encounter proved to be the catalyst. A few years later, in 1927, McManus orchestrated a reverse takeover that "astonished the crown industry," as his smaller, more innovative company acquired the floundering Crown Cork & Seal. He kept the more famous name and consolidated all manufacturing at the massive Highlandtown plant, which he then proceeded to transform into an industrial city within a city.
Under McManus, the company entered its greatest period of expansion. The seventeen-acre complex was described as "the largest manufacturing plant of its kind in the world," a fully integrated facility that created "everything necessary for making bottle caps — the tin, and the litho press for colorful brands — everything except the cork, which arrived by rail from the harbor." McManus invested millions in modernizing and expanding the plant, adding new buildings and machinery. He developed a "breaker room" with machinery for granulating cork slabs and pressing them into composition cork. Another building had machines for slicing the cork cylinders into the small disks used in the caps. The company diversified beyond bottle caps, adding automotive parts like cork gaskets and sun visors, as well as materials for railroads and the shoe industry.