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Blob Tops





Legacy,
Vol. 1, No. 2, November 1996, p.  12.



Blob Tops and Soda Water

By George Pledger, (Hobby License #218)



Blob top bottle.

Figure 1:  Soda water bottle with blob top (photo by George Pledger).
One of the pleasures of diving in South Carolina is the diversity of artifacts found in the area’s rivers and streams.  Many fellow divers have had their dives "made"by being presented with a fine example of an early soda water bottle in their collection bag.  Soda water bottles are often called "blob tops" by divers due to the sturdy construction of the tops of these bottles.  It should be noted that there were many different methods of fashioning tops of bottles, but between 1840, and the advent of a reliable crown top around 1892, the blob top was the preferred method (Figure 1).  The heavy construction of these bottles was required to handle the high pressures associated with soda water manufacture.  The earliest of these bottles were blown into simple cup molds.  Later, they were blown into more sophisticated two-piece molds. However, all can be classified as "blown in  mold, applied lip," or BIMAL, which is a term used to distinguish this method from "freeblown" or made in "automatic bottling machines," or ABM.

The soda water manufacturers required the bottles be returnable and reusable.  The sealing method progressed from a pressed-in cork stopper found between 1840 and 1882-5.  These were oversized stoppers and were pressed into the bottle with a lever and then wired down.  Being under considerable pressure when the wire was removed, the bottles went "pop."  Hence the name.  Since these "pop bottles" did not travel very well until the invention of the crown top, the term was not common outside the coastal counties.  In 1882, the reusable, prewired "lightning stopper" was patented and appeared in local papers around 1885.  This was truly a reusable stopper and was designed so the currently used blob tops could be back fitted.  This kept the start-up cost low, as well as the recurring expense of corks and bottles being broken when the stoppers were pressed in.

Soda water manufacture started about 1840 in Charleston.  One of the better known of these bottlers was the Kornahrens family.  In 1839, John L. Kornahrens emigrated from Germany with his family and started a grocery business at 24 Line Street in Charleston.  In 1856, he went into the soda water business with Frederick Steinke, a baker at 43 Society Street.  After the Steinke partnership dissolved in 1857, the Kornahrens family stayed involved in soda water manufacture and brewing.  No evidence of soda water manufacture by the Kornahrens family can be traced during the Civil War.  However they did continue in the grocery business and did continue to brew beer, ale, and stout.  In 1866, Carl L. Kornahrens started bottling beer and soda water at 40 Hasel Street in Charleston, and for the next fifty years the "CLK" trademark was common in coastal South Carolina.  Carl L. Kornahrens died on June 1, 1888, and the company continued under his wife, Johanna, and his son, Carl L. Jr., apparently going out of business in 1914.


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