Process and apparatus for the application of a non-adhesive insu

Details Process and apparatus for the application of a non-adhesive insu Process and apparatus for the application of a non-adhesive insu

1989-04-28

1990-10-09

Simmons, David

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With bending, folding, winding, or wrapping means

156468, 156522, B32B 3100

Patent

active

049618148

ABSTRACT:
An insulating apparatus for the application of a nonadhesive insulating tape (15) to the winding of an electric coil (8) comprises a first pressure head (2) for receiving an adhesive tape (9) and the non-adhesive insulating tape (15). In an alternative embodiment, a second pressure head (18) is located above the first pressure head (2) and faces the latter; both pressure heads being displaceable from a rest position into a working position. The adhesive tape (9) is fed from a supply roll (10) over a stress relief device (11) and the nonadhesive insulating tape (15) is fed from another supply roll (16), with both tapes (9, 15) being held by suction on a support surface of the corresponding pressure head (2 or 18). Each pressure head (2, 18) is equipped with a blade (3 and 4) for the cutting of the tapes (9 and 15). In the alternative embodiment, after the adhesive tape is bonded to the coil, it draws the insulating tape onto the coil, so that the insulating tape is being wound together with the adhesive tape. After the cutting of the insulating tape (15, 15'), the winding of the insulating tape is completed and fastened by a protruding portion of the adhesive tape which has been cut.

REFERENCES:
patent: 2969888 (1961-01-01), Whiting
patent: 3207650 (1965-09-01), Toensing
patent: 3350255 (1967-10-01), Twigg
patent: 3380873 (1968-04-01), Angst
patent: 3474370 (1969-10-01), Lightner
patent: 3559909 (1971-02-01), Whiteman et al.
patent: 4070227 (1978-01-01), Stuart
patent: 4148677 (1979-04-01), Bellamy et al.
German Search Report, No. P 37 10 639.2.

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