TH2001006052A - Basic pressure-resistant shells, easy-open lids, and easy-open cans. - Google Patents

Abstract

DEPCT64 This invention is related to BASIC. pressure-resistant shell, easy open lid and easy open can and basic can. ferrule and the middle plate from the outer edge to the middle in cross section; counter sync It still consists of a sixth arc (R6) and a second straight segment (L2), and the sixth arc (R6) and a second straight segment (L2) are connected in a tangential path. and the second straight segment (L2) and the ferrule arc (R7) are connected in the tangential path; The center (Y6) of the sixth arc (R6) is located below the upper surface of the center plate (L4). Fracture potential under failure to withstand pressure according to artificial This has been reduced to 0.05%~2.5%, which significantly improves the safety of use. -------------------------------------------------- ---------

Claims (9)

DEPCT64 1. The basic pressure-resistant shell consists of a can lid, a countersink, a ferrule arc (R7), an upward extension of the ferrule. and the middle plate from the outer edge to the middle in cross-section; The countersink section consists of the first linear segment (L1), the fourth arc (R4), and the fifth arc (R5), and the first end of the first linear segment (L1). is attached to the corresponding end of The part used to close the lid and its second end is connected to the first end of the fourth arc (R4), and the first linear segment (L1) is connected to the fourth arc (R4) in the path. touch the band; the second end of the section The fourth arc (R4) is connected to the first end of the fifth arc (R5) and the fourth arc (R4) and fifth arc (R5) are connected in an external tangent path. Where: The countersink section still consists of the sixth arc (R6) and the second straight segment (L2), and the second end of the fifth arc (R5) is attached to the first end of the segment. The sixth arc (R6) and the fifth arc (R5) and the sixth arc (R6) are connected in an intrinsically tangent path; The second end of the sixth arc (R6) is connected to the first end of the second (L2) and sixth arc (R6) and the second (L2) segment is connected. together in the tangential path; The second end of the second straight segment (L2) is connected to The first end of the ferrule arc (R7) and the second straight segment (L2) and ferrule (R7) are connected in a tangential path; The radius of the fifth arc (R5) is greater than or equal to 0.25 mm and less than or equal to 2.5 mm; The radius of the sixth arc (R6) is greater than or equal to 2 mm and less than or equal to 6.5 mm; The radius of the ferrule arc (R7) is greater than or equal to 0.25 mm and less than or equal to 0.8 mm; The junction of the second straight segment (L2) and the ferrule arc (R7) is designated as the auxiliary point (Q1), and the straight line perpendicular to the center plate through the auxiliary point is designated as the auxiliary line A; The fifth arc (R5), the sixth arc (R6), and the second straight segment (L2) are located on one side of the auxiliary line A, and the ferrule arc (R7) is located on the other side. another of auxiliary lines A; The direction of Auxiliary Line A is defined as the Up and Down direction, and the Basic side. Outward-facing shell The canned stuff is up. and the basic side The shell facing the inside of the can is down; In the upward and downward direction, the middle (Y6) of the sixth arc (R6) is located below the upper surface of the medial plate (L4); The protruding distance (H1) between the middle (Y4) of the fourth arc (R4) and the middle (Y5) of the fifth arc (R5) on auxiliary line A is greater than or equal to 0.85 times the The sum of the radius of the fourth arc (R4) and the radius of the fifth arc (R5) and less than or equal to the sum of the radius of the fourth arc (R4) and the radius of the fifth arc. (R5); The protrusion distance (W1) between the middle (Y4) of the fourth arc (R4) and the middle (Y5) of the fifth arc (R5) perpendicular to the auxiliary line A is greater than or equal to 0. and less than or equal to 0.5 times the sum of the radius of the fourth arc (R4) and the radius of the fifth arc (R5). 2. The basic shell withstands pressure as claimed in Clause 1 where: in the upward and downward direction, the joint (Q2) of the sixth arc (R6) and the straight section of the Two (L2) are located below the upper surface of the medial plate (L4). 3. A basic shell withstanding pressure as claimed in clause 1 where: the angle (alpha) between the second straight segment (L2) and auxiliary line A is 5 degrees~ 12 degrees. 4. The pressure-resistant easy-open lid contains a basic Shell and pull ring where: Basic shell is one. as described in clause 1. 5. Easy-open lid withstands pressure as claimed in Clause 4 where: in the upward and downward direction, the junction (Q2) of the sixth arc (R6) and the second straight segment. (L2) is located below the upper surface of the middle plate (L4). 6. Easy-open lid withstands the pressure as claimed in clause 4 where: the angle (alpha) between the second straight section (L2) and the auxiliary line A is 5°~ 12°. 7. Pressure-resistant cans contain the shell of the can. and easy open lid and easy open lid Consists of basic Shell and pull ring where: Basic shell is one as described in point 1. 8. A pressure-resistant can as claimed in Clause 7 where: in the up and down directions, the junction (Q2) of the sixth arc (R6) and the second straight segment (L2). ) is located below the upper surface of the middle plate (L4). 9. A can with pressure resistance as claimed in Clause 7 where: the angle (alpha) between the second segment (L2) and auxiliary line A is 5°~12° --- -------------------------------------------------- ------