A safety syringe includes a flexible holder-supporting seat that is sleeved around and that clamps a needle holder within a front end portion of a syringe barrel. A flexible sealing member seals an open front end of a plunger so as to define a vacuum chamber in the plunger. When the plunger moves within the barrel to a front limit position, a holder-retaining front portion of the sealing member engages and retains the needle holder thereon, and the plunger pushes the holder-supporting seat to se...

A safety container, specifically for transporting, storing, and dispensing metallo-organic substances which is sealingly closed by a lid at the upper side wherein the lid has a closable feed port and two pipe line portions are adapted to be selectively connected to the interior of the container by means of a valve assembly, wherein a valve block is adapted to be attached to the lid via a bolted joint such that two openings of the valve block are aligned with lid openings and are in a sealed comm...

A safety buckle is disclosed to include two female buckle members respectively fastened to the two distal ends of a belt, each buckle member having a receiving open chamber and recessed engagement portions at top and bottom sides inside the receiving open chamber, and a male buckle member for joining the female buckle members, the male buckle member having two plug units for insertion into the receiving open chambers of the female buckle members respectively, each plug unit having raised engagem...

A safety razor blade unit is provided including at least one blade with a sharp cutting edge extending lengthwise of the blade unit, the blade being carried by a blade assembly, a support structure to which the blade assembly is pivotally joined by a hinge running the length of the blade, the support structure including first spring elements, disposed along the length of the blade assembly, configured to resiliently oppose local deformation of the blade unit under shaving forces encountered in r...

A safety bollard, post or stanchion to protect adjacent a vehicular area, each bollard, post or stanchion being so designed to provide a progressively increasing resistance to bending and/or deformation on impact by a vehicle, whereby the force of impact is progressively absorbed by the bollard, post or stanchion and deformation of the vehicle whereby the vehicle is progressively decelerated.

A safety harness comprises a strap portion for extending over a portion a the person's body to retain the person within the safety harness. The strap portion is fabricated from a flexible material having an elastic extension in the range of approximately 3 to approximately 15% under a tensile load of approximately 10 pounds. The material of the strap portion also preferably has ultimate tensile load of at least approximately 5,000 lbs. A safety harness to be worn by a person to protect the perso...

A portable modular safety rail (20) is taught for protecting workers during building construction and remodeling. The invention in the preferred embodiment consists of two upright stanchions (22) having a flat mounting plate (36) on the bottom which is removably attached with fasteners onto a building. A number of connection members, in the form of round rings (46), protrude from the sides of each stanchion. Two adjustable length rails (56) that are rigid and telescope together engage the connec...

In safety goggles, in particular industrial safety goggles, comprising a curved sight piece and a soft frame between the sight piece and face contact area, it is provided that the frame is designed in the way of a bellows frame, having at least one fold.

A switch device includes a body with a switch member pivotably connected to a top thereof and two terminals extend through an underside of the body. A first contact point is connected to one of the terminals and a bi-metallic plate has a first end fixed to the other terminal. A second contact point is connected to an underside of a second end of the bi-metallic plate and located above the first contact point. A pull member has an upper end pivotably connected to the switch member and a lower end...

A safety valve comprises a pressure receiving hole (20), an actuation chamber (21), a discharging hole (22) and an alloy accommodating chamber (25). An alloy (27) of a low-temperature melting point is accommodated within the alloy accommodating chamber (25). A sealing plate (33) seals the pressure receiving hole (20). This sealing plate (33) has a portion, which faces the pressure receiving hole (20), provided with a breakable sealing portion (35) that breaks up with a predetermined pressure. An...