56

corkscrew

may be removed from the coupling

G

and a larger or smaller

corkscrew

applied at will by simply turning it with sufficient force by wrench or gas-pipe pliers in

the obvious manner.

‖

For their invention they

―

propose to supply three or any other

required number of sizes of the

corkscrew

.

‖

Their invention was

―

...to extract from

stuffing-boxes any forms of fibrous packing.

‖

Bales Patent 919,808

Bales Patent 931,718

In Haden Bales

‘

April 27, 1909 U. S. Patent No. 919,808, we see a device having much

greater similarity to a corkscrew. The resident of British Columbia, Canada refers to

packing in stuffing boxes of pumps, engines, etc. He states his device has a packing

engaging device with

―

the form of

cork screw

‖

.

His subsequent invention (U. S. Patent No. 931,718) was issued on August 24 of the

same year. His

―

Patent Extractor Bit

‖

. The drawing shows a device that seems to have

all the elements to use to extract a cork from a bottle!