Tarpon Springs, FL – Tablock cases are commonly used where flap control is necessary during drop packing operations. A-B-C offers a versatile case erector and bottom sealer (Model 335) that does the work of two machines– it automatically erects and seals Tablock cases and also runs regular slotted (RSC), half slotted (HSC), HSC cases with integral divider, and center special slotted (CSSC) cases.