Abstract: A container according to a preferred embodiment of the present invention provides an inner wall and an outer wall wrapped therearound so as to define a double-wall container construction. A plurality of spacer elements are interposed between the inner and the outer walls so as to maintain a minimum thickness of an air space defined therebetween. In normal use conditions, the spacer elements do not contact the inner wall; however, the spacer elements prevent the outer wall from contacting the inner wall during non-standard use conditions.

Abstract: A dolly which can be easily placed under a snowmobile, to lift the front end of the snowmobile for easy movement and storage. The dolly includes a support frame, rollably supported on casters. A lift lever is pivotably attached to the support frame. A contact pad is mounted to a lift end of the lift lever, for contacting the underside of the snowmobile. The lift lever can move the contact pad between two positions, a raised position and a lowered position. The lift lever includes a latch for latching the lever with the contact pad in the raised position. An extension lever is removably attached to a lever end of the lift lever, to give additional leverage for lifting the snowmobile. Various embodiments are disclosed to accommodate structural differences among various makes and models of snowmobiles.

Abstract: A method of making cups includes forming blanks of a cup sidewall portion, lubricating the upper inside edge of the cup prior to forming the same into a substantially frusto-conical configuration by sealing its opposite edges and the application of tools which curl and then roll the upper edge of the sidewall portion to form the cup rim. The lubricant is applied to the sidewall blank by means of an applicator consisting of an arcuate wick secured between a pair of mounting plates which move the wick into engagement with each blank between the die cutter and the cup forming stations.