Apparatus for trimming articles moldingly formed on plastic sheet
AssigneeKabushiki Kaisha Asano Kenkyusho
InventorKazuo Asano
Life of this patent
Estimating the term…
Abstract
Apparatus for longitudinally and transversely trimming articles moldingly formed on plastic sheet which is brought by means of a pair of clamp chains between longitudinally movable pointed tip knives and longitudinally extended holder members as well as transversely movable pointed tip knives and transversely extended holder members respectively held in retracted position and then trimmed by moving said knives and holder members to forwarded position and by moving said knives. Trimmed articles fall down by gravity and the waste portion is kept in one piece and brought out by said clamp chains to be collected.
Claims13
Apparatus for trimming a plastic sheet on which articles are formed comprising a frame means disposed at a cutting station, first knife means mounted on said frame means for movement in a longitudinally direction, first drive means operably connected to said first knife means for driving said first knife means in said longitudinal direction, said first knife means comprising a plurality of first knife-support means each supporting a first cutting knife, said first knife means further comprising adjusting means for adjusting the transverse position of said first knife-support means, second knife means mounted for movement in a transverse direction, second drive means operably connected to said second knife means for driving said second knife means in said transverse direction to cut said plastic sheet in said transverse direction, said second knife means comprising a plurality of second knife-support means each supporting a second cutting knife, said second knife means further comprising second adjustment means for adjusting the longitudinal position of said second knife support means, and actuating means for moving said second knife means between a severing position wherein said second knives engage said plastic sheet to cut the latter in said transverse direction as said second knife means are driven by said drive means and a retracted position wherein said second knives are disengaged from said plastic sheet, whereby said first and second knife means are operable to cut said plastic sheet in both longitudinal and transverse direction to thereby cut out desired portions from said plastic sheet.
Dependencies are inferred from the claim text.