| 摘要 |
Appts. is for wrapping commodities, which may be compressible A commodity is conveyed along a fixed path, a pair of opposed langths of wrapping material and fed in an opposed relationship and in registry, the commodity is inserted between the opposed lengths of the wrapping material. A leading end is sealed to form an open-sided and open-trailing end envelop. The lateral sides of the wrapping material are then sealed, and a bag length is severed from the pair of lengths of wrapping material and sealed. Pref., the commodity is fed under compression in between the opposed lengths of wrapping material, maintained under compression while the wrapping material is side-sealed and is vacuum-packaged while also under compression.
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