INCLUDING MEANS TO FORCE OR CLAMP WORK PORTIONS TOGETHERDURING BONDING:
(under the class definition) Device having means to apply, either directly or indirectly, a continuous pressure to work parts being bonded, such pressure urging or holding the portions against one another and being effective at the immediate zone of fusion.
(1) Note. No attempt has been made to distinguish between various degrees of pressure. Therefore, patents in this subclass will include those directed to devices having opposed work engaging surfaces whose disclosed use is only to hold the work during fusion (where some pressure will inherently be present at the area of fusion), as well as those whose disclosure teaches the use of pressure to complete or produce the fusion bond.
(2) Note. Included in this subclass are patents claiming the combination of a pair of opposed dies acting upon juxtaposed work portions, even though there may inherently be some further applicator movement after engagement with the work.
SEE OR SEARCH THIS CLASS, SUBCLASS:
3, for a device for producing a fusion bond by pressure only.
15+, for a device for applying pressure for deforming work before fusion bonding.
24, for means to apply a series of blows which produce a fusion bond. SEE OR SEARCH CLASS
100, Presses, for a press of general utility.
269, Work Holders, for means to grip, hold or clamp a work part, per se.
