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US 4,538,459 AGranted
Drink can measuring and can crushing device
OwnerJohn G. Vandenberghinventor
Life of this patent
Estimating the term…
Abstract
This invention is a strength measuring device utilizing changes in air pressure. The bellows portion of the device is a standard soft drink or beer can. The purposes of the present invention are two-fold; first, to measure the strength of the user thereof and secondly, to crush the can for more compact storage prior to disposal.
Claims9
The method of measuring muscular strength while reducing the size of can type containers prior to disposal thereof comprising:
- opening said can;
- emptying at least a portion of the contents of said can;
- sealingly placing a portion of an air pressure measuring means having a pressure indicator in said opening;
- squeezing said can to at least partially collapse the same so as to cause air inside said can to communicate into said air pressure measuring means;
- and removing said measuring means from said can whereby the same will be in a compact condition when disposed of.
2 more elements
The method of measuring muscular strength of an individual while he crushes a beverage can comprising:
- opening said can;
- emptying at least a portion of the beverage contents of said can;
- sealingly placing a portion of an air pressure measuring means having a strength indicator in said opening;
- squeezing said can to at least partially collapse the same as to cause air inside said can to communicate into said air pressure measuring means;
- and reading said strength indicator portion of said measuring means.
2 more elements
Dependencies are inferred from the claim text.