초록 ▼

The present invention is a fastener assembly including a row of fasteners maintained in position by a carrier. The carrier includes a plurality of adjacent sleeves, each of which includes an upper breakable portion, a middle wall portion, and a lower breakable portion. When a fastener is driven into

The present invention is a fastener assembly including a row of fasteners maintained in position by a carrier. The carrier includes a plurality of adjacent sleeves, each of which includes an upper breakable portion, a middle wall portion, and a lower breakable portion. When a fastener is driven into a work piece, the upper and middle portions of the fastener sleeve break away and the lower portion breaks into fragments, so that no residual sleeve parts remain with the fastener. This is accomplished by forming the carrier from a mixture of a stiff polyolefin material and a particulate filler to impart the necessary brittleness to the carrier sleeves. Also, the lower portion of the sleeve includes fragmentable tabs joined at wall junctions which are structurally weaker than the tabs, to facilitate fragmentation between the tabs.

대표청구항 ▼

[ We claim:] [12.] A fastener assembly, comprising:a plurality of fasteners arranged in a row, each fastener including a head and an elongated shank; anda carrier including a plurality of connected carrier sleeves receiving and surrounding a portion of each fastener;wherein the carrier includes a fi

[ We claim:] [12.] A fastener assembly, comprising:a plurality of fasteners arranged in a row, each fastener including a head and an elongated shank; anda carrier including a plurality of connected carrier sleeves receiving and surrounding a portion of each fastener;wherein the carrier includes a filled polyolefin material;and each of the carrier sleeves includes an upper breakable collar, a middle wall portion and a lower breakable collar.