Table 5. --Results of bruising tests on individual components of the experimental 



packing line 



Equipment tested 



Firmness 



of fruit 



when 



tested 



Percentage of apples that 

 were bruised 1/ 



Slight : Moderate : 

 bruising : bruising : Total 



Dumper: 

 Lot 1 

 Lot 2 

 Lot 3- 



Leaf eliminator 



Sorting table: 

 Lot 1 . . . . 

 Lot 2 . . . . 



Singulator and sizer, 



Return flow belt: 



Apples on belt for 5 minutes 



at 1 r.p.m 



Apples on belt for 10 minutes 



at 2 r.p.m 



Complete line--dumper to return- 

 flow belt: 



Apples on return-flow belt for 

 2 minutes: 



Lot 1. . . . 



Lot 2 



Utility grade disposal belt, 



Utility grade chain sizer 



Automatic box filler: 



Lot 1 . c , 



Lot 2.c c . « 



Lot 3 , 



Pounds 



16.0 



11.0 



2/ 



15.0 



17.0 

 14.0 



14.5 



2/ 



10.0 



17.0 

 14.5 



14.5 



15.5 



15.5 



14.5 



9.5 



Percent Percent 



0.3 

 4.9 

 4.0 



1.0 





 .9 



1.0 



3.0 



1.4 

 2.3 



4.8 



3.0 



2.1 

 4.7 

 5.1 





 

 1.6 











.2 

 1.3 



Percent 



0.3 

 4.9 

 5.6 



1.0 





 .9 



1.0 



.8 

 3.0 



1.4 

 2.3 



4.8 



3.0 



2.1 

 4.9 

 6.4 



1/ After apples held at room temperature for 24 hours. 



2/ Pressure test not taken, but fruit was soft, probably 9-10 pounds, 



One lot of fruit testing 14 pounds, and another testing 17 pounds were 

 to test the table. With apples testing 14 pounds bruising amounted to 

 0.9 percent, and it was all slight. Apples testing 17 pounds showed n 

 ;ing at all. 



used 



only 0.9 percent 



bruising at all 



22 - 



