Abstract: A pleatable, high efficiency composite gas filtration media is provided. The media includes an essentially boron free chopped strand glass backer layer and media layer comprising a synthetic material. The composite media exhibits excellent pleatability, low boron out gassing, and low organic out gassing, with filtration performance comparable to existing commercial membrane composites.

Abstract: A pleatable, high efficiency composite gas filtration media is provided. The media includes an essentially boron free chopped strand glass backer layer and media layer comprising a synthetic material. The composite media exhibits excellent pleatability, low boron out gassing, and low organic out gassing, with filtration performance comparable to existing commercial membrane composites.

Abstract: An adjusting device for a hood of a toy stroller includes a middle element engaged to a side tube of the toy stroller, a first side element and a second side element engaged to a first side and a second side of the middle element which has a tubular portion extending laterally from both sides thereof, each tubular portion having a toothed portion defined in an outer periphery thereof, the first side element and the second side element each having a skirt portion extending laterally from a side facing the corresponding toothed portion of the middle element and having a plurality of protrusions extending radially from an inner periphery of the skirt portion for engagement with the corresponding toothed portion, a first support and a second support for supporting the hood, each having two distal ends engaged to the respective first side element and the second side element such that the hood can be extended by rotating the first support and/or the second support by moving the protrusions across the toothed portio

Abstract: A front wheel assembly for a stroller includes a frame attaching member and a wheel attaching member. The frame attaching member includes a sleeve adapted to be securely attached to a front leg of a stroller and defining a through hole with upper and lower ends. A pair of diametrically opposed flexible tongues are formed on the upper end of the through hole with their distal ends radially extending over the through hole. The wheel attaching member includes a wheel seat adapted to mount a pair of front wheels of the stroller and a snapping member projecting upwardly from the wheel seat for releasably engaging with the flexible tongues. A number of flanges are formed around an outer periphery of the snapping member and are in rotational contact with the inner periphery of the through hole.

Abstract: A playpen structure employing a plurality of improved joints. The playpen structure has four pairs of rails. Rails of each pair are joined together by means of a first joint. Each pair of rails is joined to an adjacent pair of rails by means of a second joint. Each of four columns is attached to a corresponding second joint at a first end and attached to one of four feet at a second end. Each of four bars is attached to a corresponding foot at a first end and attached to a third joint at a second end. The third joint joins the bars together, which extend radially therefrom to form a frame of a floor. An auxiliary foot retractably extends from the third joint for supporting the bars.