| 摘要 |
PCT No. PCT/GB90/01820 Sec. 371 Date Nov. 29, 1991 Sec. 102(e) Date Nov. 29, 1991 PCT Filed Nov. 23, 1990 PCT Pub. No. WO91/07867 PCT Pub. Date Jun. 13, 1991.Baled material (4) is fed into a resilient sheath (4) through an open end thereof with at least the open end portion held in a resiliently expanded condition so that after insertion of the material the sheath can contract around the material, so expelling excess air. The sheath is held by a holding device having members (25; 124) movable on cranks between positions in which the sheath can be readily located on the members in its unstressed condition and in which at least the open end of the sheath is enlarged by stretching.
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