| 摘要 |
A LAYING HEAD HAS A QUILL (12) ROTATABLE ABOUT AN AXIS, AND A PIPE CARRIED ON THE QUILL (12). THE PIPE HAS AN ENTRY END ARRANGED TO RECEIVE A PRODUCT, AND AN INTERMEDIATE PORTION DEFINING A CURVED GUIDE PATH LEADING FROM THE ENTRY AND TO A DELIVERY END SPACED RADIALLY FROM THE QUILL AXIS AND FROM WHICH THE PRODUCT IS DISCHARGED AS A HELICAL SERIES OF RINGS. A GUIDE DEFINES A HELICAL EXTENSION OF THE GUIDE PATH, AND COMPRISES A HELICAL SUPPORT PLATE (22) PROJECTING OUTWARDLY FROM THE QUILL (12). A PLURALITY OF CHANNEL-SHAPED GUIDE SECTIONS (20) SUPPORTED END TO END ON THE SUPPORT PLATE (22). THE GUIDE SECTIONS (20) FORM A SEGMENTED RADIALLY OUTWARDLY FACING HELICAL TROUGH (16’) SURROUNDED BY A CYLINDRICAL SHROUD THAT COOPERATES WITH THE GUIDE SECTIONS (20) TO DEFINE RADIALLY AND AXIALLY CONFINED HELICAL EXTENSION OF THE GUIDE PATH. (FIG. 2)
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