Report ..., المجلدات 9-17U.S. Government Printing Office, 1929 |
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الصفحة 13
... edgings , and long trimmings for the production of small dimension stock and are finding the process practicable and profitable . For example , a single band hardwood mill , located in Arkansas and cut- ting 30,000 board feet per day ...
... edgings , and long trimmings for the production of small dimension stock and are finding the process practicable and profitable . For example , a single band hardwood mill , located in Arkansas and cut- ting 30,000 board feet per day ...
الصفحة 19
... edgings which are suitable for the manufacture of small dimension stock are caught from the live rolls and placed on the transfer chain which conveys them to a bolter . The bolter cuts the stock to width and thickness , after which it ...
... edgings which are suitable for the manufacture of small dimension stock are caught from the live rolls and placed on the transfer chain which conveys them to a bolter . The bolter cuts the stock to width and thickness , after which it ...
الصفحة 20
... edgings are caught from the live rolls and transferred to the bolter , where they are cut to the desired width and thickness . The stock is then cut to length on the cut - off saw and later piled under cover for air seasoning of slow ...
... edgings are caught from the live rolls and transferred to the bolter , where they are cut to the desired width and thickness . The stock is then cut to length on the cut - off saw and later piled under cover for air seasoning of slow ...
الصفحة 26
... edgings , and trimmings . It has four stationary set - ups , each equipped with a set of live infeed and outfeed rolls , guides , and a single saw or a series of saws . A maximum of 8 saws may be used in each series with a minimum ...
... edgings , and trimmings . It has four stationary set - ups , each equipped with a set of live infeed and outfeed rolls , guides , and a single saw or a series of saws . A maximum of 8 saws may be used in each series with a minimum ...
الصفحة 33
... edging , carelessness in ripping out defects and in board alignment , neglect in examining all surfaces of the stock to ... edgings wider than 1 inch , etc. This method of utilization may appear to be inefficient from the stand- point of ...
... edging , carelessness in ripping out defects and in board alignment , neglect in examining all surfaces of the stock to ... edgings wider than 1 inch , etc. This method of utilization may appear to be inefficient from the stand- point of ...
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طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
air-drying air-seasoning black gum blue stain bottom brown stain Bureau California pine cents per copy chemical chestnut chimney circulation cleats Committee on Wood compartment kilns courtesy of Forest creosote crossers decay degrade develop Douglas fir dried dry-kiln Forest Products Laboratory fungi fungus grades handling heartwood heat humidity inches industry interior kiln-drying layers length load logs material method mill moisture content Nail National Committee nonutilized wood operation Photograph courtesy pieces 16 pile pipes Planer shavings Pondosa poplar practice prevent progressive kiln red gum roof sap stain sapwood sawmill seasoning shown in Figure shows side small dimension stock Sodium bicarbonate softwoods southern hardwood southern pine spacing species steam stickers storage sugar pine surface temperature tests thickness timber tion usually waste western white pine white pine width WOOD UTILIZATION y. p. Edgings y. p. Sawdust y. p. Slabs yard yellow pine zinc chloride
مقاطع مشهورة
الصفحة 8 - Board, and the Bureau of Foreign and Domestic Commerce of the Department of Commerce.
الصفحة 1 - ... preservative must displace or compress the air in the wood. After the retort is filled, additional preservative is forced into the cylinder by means of pressure pumps, the pressure being gradually raised to and maintained at 125 to 175 Ib.
الصفحة 40 - US DEPARTMENT OF AGRICULTURE. Forest Service. 1920. Timber depletion and the answer. A summary of the report on timber depletion and related subjects prepared in response to Senate Resolution 311. US Dept.
الصفحة 118 - Manual of Design and Installation of the Forest Service Water-Spray Dry Kiln. By LV Teesdale. Department of Agriculture Bulletin 894, October 18. 1920. Price, 10 cents. A good manual for this type of kiln. The Theory of Drying and its Application to the New Humidity Regulated and Recii-culating Dry Kiln.
الصفحة 10 - DC, works in close cooperation with a number of official and private organizations, notably the Bureau of Standards of the Department of Commerce and the Forest Products Laboratory of the Forest Service, Department of Agriculture.
الصفحة 51 - Commerce, comprises about 200 members representing manufacturers, distributors, and consumers of forest products. Its object Is to work for closer utilization of our country's timber resources. The committee, whose headquarters are in the Department of Commerce. Washington, DC, works in close cooperation with a number of...