Black Decker Inc.

Nanjing Letop Biotechnology Co., Ltd.

Yue Tian

Jason D McKillican

HuaMing Yao

John S Maceo, Jr

YanJuan Zou

Jun Liu

A cordless aw is provided with regenerative braking means that increases the number of repeated cuttings the saw is able to perform (x) per full discharge cycle of the battery pack, as compared to the number of repeated cuttings achievable by the same saw not employing a regenerative braking means (y) per full discharge cycle of the battery pack, such that x/y is approximately at least one of the following: i) 1.1 when cutting a Pressure-Treated (PT) lumber workpiece having a cross-sectional size of approximately 89 mm×89 mm±2 mm, ii) 1.15 when cutting a Spruce Pine Fir (SPF) lumber workpiece having a cross-sectional size of approximately 38 mm×89 mm±2 mm, or iii) 1.25 when cutting Medium Density Fiberboard (MDF) workpiece having a thickness of approximately 19 mm±1 mm and a width of approximately 76 mm±2 mm.

Cordless saw having improved cuts per battery charge

The invention discloses an instant hand-protection antibacterial gel, a method for preparing the same and use of the same, and belongs to the technical field of antibacterial disinfection. The instant hand-protection antibacterial gel of the present invention comprises: hydrolyzed sodium hyaluronate 0.01-0.5%, keratin care agent 0.01%-5%, thickener 0.1-0.5%, emollient 1-10%, pH regulator 0.1-0.5%, ethanol 56-75%, and the balance is water; and an average molecular weight of the hydrolyzed sodium hyaluronate is one or more of 500-20000 Daltons.

Instant hand-protection antibacterial gel, method for preparing the same and use of the same

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Jiangsu, China

Yue Tian