Abstract: A cup with a plastic body has a base part defining a central opening and a radially outwardly extending flange around the base part and a continuous rib projecting in a generally axially direction from the lower surface of the flange, and a metal base closure of a metal having a different coefficient of expansion from the plastic body. An annular gasket between the closure and the lower surface of the flange is in continuous engagement with the flange rib. The closure has a rim that is staked over the flange a distance greater than any anticipated distance of contraction or expansion of the flange upon repeated cycling of heating and cooling. An apparatus for making the cup includes a cup-supporting platform, staking arms pivotally mounted at generally equispaced stations around the platform and a cam mounted to actuate the arm substantially simultaneously.

Abstract: A battery warmer includes a positive temperature coefficient (PTC) element of a size to maintain the contents of a battery to which it is attached in the range of 45.degree. to .phi..degree. F. in ambient temperatures of -30.degree. to 75.degree. F., and a housing for the PTC element, preferably of foamed plastic. The housing is mounted to a flat side of the battery, either adhesively or mechanically. A method of making the warmer includes securing paper to two broad, parallel surfaces of the housing to provide one surface that will take adhesive and another to bear printed instructions, and which together inhibit warping of the housing during its manufacture.

Abstract: A cup and base assembly for use in vehicles includes a cup, with a loop handle, and a separate base, circular in plan at its lower edge. A triangulate plate is attached to the bottom of the base. The plate has ears projecting beyond the periphery of the base, and a handle-engaging crook with a stem integral with the plate and a finger extending laterally from the stem and positioned to extend within the loop handle. A sloshing inhibitor has a central imperforate disc of material capable of a permanent set, and, integral with the disc, straps bent upwardly on a radius from the edge of the disc, so that the radius serves to space the disc from the inside surface of the cup. Ears, integral with the straps, are bent outwardly at the upper end of the straps, for engaging the upper lip of the cup.

Abstract: A heating unit is provided in the form of an open topped container with a side wall and a bottom. The side wall has a plurality of bosses each of which has a plate-receiving groove. The bottom has on its upper surface elongated seat defining flanges, a barrier wall projecting between and extending laterally beyond a pair of seat defining flanges to separate the seats and to separate a pair of wires, and labyrinth walls defining a strain-relief circuitous wire passage. A pair of spring terminals are provided, each having a U-shaped part defined by two divergent leg parts one of which is seated in one of the seats and the other of which extends upwardly away from the bottom to a free end. A disc of PTCR material is mounted on the spaced free ends. A plate is snapped into the plate-receiving grooves of the bosses.