Leader tape and tape cartridge

A tape cartridge comprising:

• a cartridge body;
• a tape;
• a leader tape fixedly attached to said tape, said leader tape including a leader tape body having one end fixed to said tape, for enabling the tape to be pulled out of a cartridge body, and a pin member attached to said leader tape body, for pulling out said tape therewith, said leader tape body having a portion thereof on a side of another end opposite to the one end, the portion being folded such that the folded portion surrounds a periphery of said pin member and that the folded portion has a leading end portion thereof welded to a tape surface of said leader tape body opposed to the folded portion, welding being effected non-densely in at least one of a pin member-side boundary portion of a welded area where the folded leading end portion and the tape surface opposed thereto are welded to each other and a one end-side boundary portion of the welded area;
• and
• a reel received in said cartridge body, with said tape having said leader tape fixedly attached thereto being wound therearound.

A tape cartridge comprising:

• a cartridge body;
• a tape;
• a leader tape fixedly attached to said tape, said leader tape including a leader tape body having one end fixed to said tape, for enabling the tape to be pulled out of a cartridge body, and a pin member attached to said leader tape body, for pulling out said tape therewith, said leader tape body having a portion thereof on a side of another end opposite to the one end, the portion being folded such that the folded portion surrounds a periphery of said pin member and that the folded portion has a leading end portion thereof welded to a tape surface of said leader tape body opposed to the folded portion, welding of the folded leading end portion being effected such that at least one of a pin member-side boundary portion of a welded area where the folded leading end portion and the tape surface opposed thereto are welded to each other and a one end-side boundary portion of the welded area forms an arcuate shape in cross-section along a tape length, the arcuate shape protruding toward the tape surface opposed thereto;
• and
• a reel received in said cartridge body, with said tape having said leader tape fixedly attached thereto being wound therearound.

A tape cartridge comprising:

• a cartridge body;
• a tape;
• a leader tape fixedly attached to said tape, said leader tape including a leader tape body having one end fixed to said tape, for enabling said tape to be pulled out of a cartridge body, and a pin member attached to said leader tape body, for pulling out said tape therewith, said leader tape body having a portion thereof on a side of another end opposite to the one end, the portion being folded such that the folded portion surrounds a periphery of said pin member and that the folded portion has a leading end portion thereof welded to a tape surface of said leader tape body opposed to the folded portion, welding of said leader tape body being effected such that at least one of a pin member-side boundary of a welded area where the folded leading end portion and the tape surface opposed thereto are welded to each other and a one end-side boundary of the welded area forms a protruded shape having a central portion thereof protruded toward said pin member or a recessed shape having a central portion thereof recessed in a direction away from said pin member;
• and
• a reel received in said cartridge body, with said tape having said leader tape fixedly attached thereto being wound therearound.