![]() ![]() An internal stop is provided within the second elbow part. The first elbow part can be precut to a desired included angle within a pipe system and inserted into the proximal end of the second elbow part. The second elbow part has the same radius of curvature as the first elbow part. The distal end of the first part has a constant radius of curvature which fits into the proximal end of the second elbow part. ![]() The proximal end of the first elbow part and the distal end of the second elbow part are contemplated to accommodate standard pipes and fittings. The preferable pipe elbow comprises two parts, each with a proximal, or upstream end, and a distal, or downstream end. 1, 1997 in the name of Byrnes, incorporated herein by reference. An ideal elbow is that disclosed in the U.S. The pipe elbows best suited for use with the current invention are elbows designed to be cut to a required angle. ![]() The angle measuring tool 10 and the angle marking tool 40 are intended for use in measuring and marking pipe elbows. ![]() G01B3/56- Gauges for measuring angles or tapers, e.g.G01B3/00- Measuring instruments characterised by the use of mechanical techniques.G01B- MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS.238000011144 upstream manufacturing Methods 0.000 description 2.230000021037 unidirectional conjugation Effects 0.000 description 2.229920002457 flexible plastic Polymers 0.000 description 2.230000023298 conjugation with cellular fusion Effects 0.000 description 2.239000002131 composite material Substances 0.000 description 2.238000004519 manufacturing process Methods 0.000 description 4.238000006073 displacement reaction Methods 0.000 description 6.230000000875 corresponding Effects 0.000 claims description 6.239000011087 paperboard Substances 0.000 claims abstract description 14.239000000758 substrate Substances 0.000 claims abstract description 44.238000005259 measurement Methods 0.000 title description 4.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Individual filed Critical Individual Priority to US09/755,459 priority Critical patent/US6560887B2/en Publication of US20020088132A1 publication Critical patent/US20020088132A1/en Application granted granted Critical Publication of US6560887B2 publication Critical patent/US6560887B2/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Individual Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Byrnes Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US09/755,459 Other versions US20020088132A1 Google Patents Tools for pipe angle measurement and markingÄownload PDF Info Publication number US6560887B2 US6560887B2 US09/755,459 US75545901A US6560887B2 US 6560887 B2 US6560887 B2 US 6560887B2 US 75545901 A US75545901 A US 75545901A US 6560887 B2 US6560887 B2 US 6560887B2 Authority US United States Prior art keywords measuring angle pipe tool slide Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US6560887B2 - Tools for pipe angle measurement and marking US6560887B2 - Tools for pipe angle measurement and marking ![]()
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