| http://www.w3.org/ns/prov#value | - The apparatus set forth in claim 22 wherein said upper mold includes a female mold cavity for receiving a portion of said sheet;said severing means including an annular trim die encircling said cavity; means for mounting said trim die in such position as to partially sever an encircling portion of said sheet encircling the article formed when said molds move into sealing engagement with said sheet
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