Abstract: This is an original design of a small diameter maple spile. It is designed to facilitate sap movement from any sap-producing tree into the tubing. Two o-rings provide additional sealing surfaces to safeguard against leaks and increase spile visibility. Design and material provide a more hygienic connection between the tree and tubing, compared to the connection of a larger spile, which is more easily contaminated. The small size diameter of the tap hole causes less damage to the tree and consequently allows swift healing. The smaller tap hole also promotes tree health by lessening risks of bacterial and fungal infection. The linear design of this spile allows for ease of cleaning by ultrasonic means and indefinite reuse.

Abstract: This multi-purpose embodiment functions primarily as a cap for tubing that is used in the collection of sap from maple or any sap-producing trees. The wider dimension of the cap end allows it to fit around the outside of tubing, rather than inside like the prior art does. The significant advantage of this embodiment is that it will not stretch tubing. This reduces the likelihood of leakage and preserves the physical integrity of the tubing. It allows for labor and time saving by eliminating the need to remove stretched tubing ends. Furthermore, the tubing line will not need to be replaced as often. Acting as a cap, it allows for small amounts of air to enter the tubing, which facilitates vacuum cleaning of the system. Its design includes a clip type fastener that attaches directly to the tubing for secure off-season placement.

Abstract: This is an original design of a small diameter maple spile. It is designed to facilitate sap movement from any sap-producing tree into the tubing. Two o-rings provide additional sealing surfaces to safeguard against leaks and increase spile visibility. Design and material provide a more hygienic connection between the tree and tubing, compared to the connection of a larger spile, which is more easily contaminated. The small size diameter of the tap hole causes less damage to the tree and consequently allows swift healing. The smaller tap hole also promotes tree health by lessening risks of bacterial and fungal infection. The linear design of this spile allows for ease of cleaning by ultrasonic means and indefinite reuse.

Abstract: A contact pin, for insertion into a connector housing, which includes a longitudinal body having a first end and a second end, a retention portion located between the first and second ends, wherein the retention portion includes fins extending outwardly from the longitudinal body, each fin having a side surface and serrations, located on each side surface of each fin.

Abstract: A high pressure discharge lamp includes a pair of arc tubes connected electrically in parallel within an outer envelope, which includes a lamp stem having a pair of stem conductors entering the lamp envelope in a common plane. The arc tubes include conductive feed-throughs at each end thereof. A lamp frame supports the arc tubes in a plane parallel with the stem conductors and is welded directly to each of the feed-throughs with all welds in a common plane with the welds between the frame and the stem conductors. The frame includes a resiliently deformable transverse member which allows for independent changes in length of the arc tubes during lamp operation due to thermal expansion/contraction. The frame is free of slip fit connections with the feed-throughs and free of additional conductive straps connected to the feed-throughs.