58

In 1937 a patent for a

―

Pulling Tool or

Implement

‖

shows up and here we see a

tool that is often offered by flea marketers

and the like as acorkscrew for removing

the cork from bottles. This, however, is

another tool for removing packing from

packing boxes or glands. The inventor

was Christopher Wiessner of Kalamazoo,

Michigan and the patent was assigned to

Durametallic Corporation of the same

city. U. S. Patent 2,066,598 was issued

January 5, 1937. The tool was sold as the

―

Dura-Hook

‖

.

Patent No. 3,149,514 issued September 22, 1964 to Melvin H. Shaub of Lancaster,

Pennsylvania for a

―

Packing Extractor

‖

.

―

...a tool for extracting used packing from a

stuffing box ... surrounding rotatable shafts such as those encountered in pumps,

valves, etc ...

‖

He refers to items 18 & 19 with

―

...a screw (18) the end of which is

secured a

corkscrew

or auger type piercing member (19).

‖

Further into the document:

―

After the corkscrew has entered the packing, the entire yoke assembly is moved

longitudinally along the shaft pulling the individual pieces of packing along.

‖