Methods of preserving fresh foods
First Claim
1. THE METHOD OF PRESERVING A FRESH FOOD SELECTED FROM THE CLASS CONSISTING OF VEGETABLES, FRUITS AND BERRIES, COMPRISING STORING THE FRESH FOOD IN A CLOSED RECEPTACLE, SUBJECTING THE FRESH FOOD STORED IN SAID CLOSED RECEPTACLE TO REFRIGERATION AT A TEMPERATURE WITHIN THE APPROXIMATE RANGE 35* F. TO 50* F., AND SIMULTANEOUSLY SUBJECTING THE FRESH FOOD STORED IN SAID CLOSED RECEPTACLE TO SUCCESSIVE PRESSURE CYCLES IN THE SUBATMOSPHERIC PRESSURE RANGE AND EXTENDING BETWEEN A RELATIVELY LOW PRESSURE DISPOSED ONLY SOMEWHAT BELOW 0.9 ATMOSPHERE AND A RELATIVELY HIGH PRESSURE DISPOSED ONLY SOMEWHAT ABOVE 0.9 ATMOSPHERE WHILE CONTINUOUSLY ADMITTING FRESH AIR INTO SAID CLOSED RECEPTACLE AT AN ESTABLISHED LOW RATE, WHEREIN EACH OF SAID PRESSURE CYCLES INCLUDES A FALLING PRESSURE PHASE THAT IS PRODUCED BY PUMPING AIR FROM SAID CLOSED RECEPTACLE AT AN ESTABLISHED HIGH RATE AND OVERRIDING SAID ADMISSION OF THE FRESH AIR INTO SAID CLOSED RECEPTACLE AT THE ESTABLISHED LOW RATE AND A COMPLEMENTARY RISING PRESSURE PHASE THAT IS PRODUCED SUBSTANTIALLY ENTIRELY BY SAID ADMISSION OF THE FRESH AIR INTO SAID CLOSED RECEPTACLE AT THE ESTABLISHED LOW RATE, WHEREIN SAID PUMPING OF AIR FROM SAID CLOSED RECEPTCLE IN THE FALLING PRESSURE PHASE OF EACH OF SAID PRESSURE CYCLES IS INITIATED IN RESPONSE TO THE RELATIVELY HIGH PRESSURE IN SAID CLOSED RECEPTACLE AND
0 Assignments
0 Petitions
Accused Products
50 Citations
1 Claim
-
1. THE METHOD OF PRESERVING A FRESH FOOD SELECTED FROM THE CLASS CONSISTING OF VEGETABLES, FRUITS AND BERRIES, COMPRISING STORING THE FRESH FOOD IN A CLOSED RECEPTACLE, SUBJECTING THE FRESH FOOD STORED IN SAID CLOSED RECEPTACLE TO REFRIGERATION AT A TEMPERATURE WITHIN THE APPROXIMATE RANGE 35* F. TO 50* F., AND SIMULTANEOUSLY SUBJECTING THE FRESH FOOD STORED IN SAID CLOSED RECEPTACLE TO SUCCESSIVE PRESSURE CYCLES IN THE SUBATMOSPHERIC PRESSURE RANGE AND EXTENDING BETWEEN A RELATIVELY LOW PRESSURE DISPOSED ONLY SOMEWHAT BELOW 0.9 ATMOSPHERE AND A RELATIVELY HIGH PRESSURE DISPOSED ONLY SOMEWHAT ABOVE 0.9 ATMOSPHERE WHILE CONTINUOUSLY ADMITTING FRESH AIR INTO SAID CLOSED RECEPTACLE AT AN ESTABLISHED LOW RATE, WHEREIN EACH OF SAID PRESSURE CYCLES INCLUDES A FALLING PRESSURE PHASE THAT IS PRODUCED BY PUMPING AIR FROM SAID CLOSED RECEPTACLE AT AN ESTABLISHED HIGH RATE AND OVERRIDING SAID ADMISSION OF THE FRESH AIR INTO SAID CLOSED RECEPTACLE AT THE ESTABLISHED LOW RATE AND A COMPLEMENTARY RISING PRESSURE PHASE THAT IS PRODUCED SUBSTANTIALLY ENTIRELY BY SAID ADMISSION OF THE FRESH AIR INTO SAID CLOSED RECEPTACLE AT THE ESTABLISHED LOW RATE, WHEREIN SAID PUMPING OF AIR FROM SAID CLOSED RECEPTCLE IN THE FALLING PRESSURE PHASE OF EACH OF SAID PRESSURE CYCLES IS INITIATED IN RESPONSE TO THE RELATIVELY HIGH PRESSURE IN SAID CLOSED RECEPTACLE AND
Specification
-
- Resources
-
Current AssigneeEdgar S. Stoddard
-
Original AssigneeEdgar S. Stoddard
-
InventorsStoddard, Edgar S.
-
Application NumberUS03/503,901Time in Patent Office1,548 DaysField of SearchUS Class Current426/419CPC Class CodesA23B 7/0425 the material not being tran...F25D 17/042 Air treating means within r...F25D 2317/043 by creating a vacuum in a s...
