Apparatus for face-side machining of a profile element...

Cutting – With means to control or modify temperature of apparatus or... – Of tool

Reexamination Certificate

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C083S651100

Reexamination Certificate

active

07637189

ABSTRACT:
An apparatus is described for machining on the face side a negative mold for a profile element (1) which is made of thermoplastic foamed material, forms the branch of a channel of a shaft floor and can be applied in an interlocking manner to a profile strand for the main channel, comprising a table (3) for receiving the profile element (1) to be machined and with a support (5) which is movable along a predetermined planar path for a curved heating wire (4) extending in one plane along the profile. In order to provide simple machining conditions it is proposed that the support (5) can be moved along a path corresponding to the axial progress of the profile strand for the main channel, that the heating wire (4) has a progress which corresponds to the contour of the profile strand for the main channel and that the support (5) which is held in a rotatable manner about an axis perpendicular to the plane of the path can be rotated within the terms of a permanent perpendicular orientation of the heating wire plane relative to the path of the support (5).

REFERENCES:
patent: 2464178 (1949-03-01), Green et al.
patent: 2749608 (1956-06-01), Siemer
patent: 3018355 (1962-01-01), Wallerstein
patent: 3117211 (1964-01-01), Tansey
patent: 4077301 (1978-03-01), Brahm
patent: 5191824 (1993-03-01), Rathbun, Jr.
patent: 5533430 (1996-07-01), Buch
patent: 2 599 661 (1997-12-01), None

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