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Packaging materials and cushioned padding machine for manufacturing packaging materials.
Packaging materials and cushioned padding machine for manufacturing packaging materials.
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机译：包装材料和用于制造包装材料的缓冲衬垫机。
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摘要
A packaging material comprises a base sheet (4; 148A, 148B) of a non EXPANDABLE AS PAPER AND A SECOND LAMINA (6 or 8; 112A, 112B or 112C) expandable material such as paper, the second sheet HAS A number of rows of slots longitudinally spaced with clefts unaligned a row of slits in an adjacent row AND LOCKED IN EXPANDED TO CONDITION base sheet. A PILLOW PACKING outer layers may comprise EXPANDABLE MATERIAL WITH AT LEAST ONE LAYER OF EXPANDED MATERIAL between them. The invention also provides a machine for use in the manufacture of the material.
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