| http://www.w3.org/ns/prov#value | - Tension Envelope Corporation (Kansas City, MO)International Classification: B65G 5700U.S. Classification: 4147982Abstract: An envelope accumulation and batching apparatus and method uses a conventional envelope delivery spider which has been adapted to deliver envelopes to an accumulating surface, such as a belt conveyor, in a position with the folded envelope seal flaps facing upward.
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