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Ear protector

阅读:86发布:2022-02-12

专利汇可以提供Ear protector专利检索,专利查询,专利分析的服务。并且An ear protector comprising a pair of cup-like ear members and means connecting said ear members for maintaining the ear protector on the ear position, said ear members having an inner cushion-like packing, a film of plastic material for maintaining said packing in the members, and a slot along an outer circle of the ear pieces into which the hem is fitted, said slot having a depth twice its breadth, whereby when the hem is fitted into the slot the inner circle of the hem is stretched substantially to the maximum degree when it is compelled to come away from the slot.,下面是Ear protector专利的具体信息内容。

1. An ear protector comprising a pair of cup-like ear members and means connecting said ear members for maintaining the ear protector on the ear position, said ear members having an inner cushionlike packing, a hem of plastic material for maintaining said packing in the members, said hem having a peripheral portion which is folded back upon itself to form a double width thereof and being substantially V-shaped in form, a cone-shaped slot along an outer circle of the ear pieces, said slot having a depth at least twice its breadth, the breadth of said slot being only slightly larger than the width of said V-shaped hem portion whereby when the hem is fitted into the slot the inner circle of the hem at the folded portion is stretched substantially to the maximum degree when it is compelled to come away from the slot.
2. The ear protector of cclaim 1, further including a non-elastic thread disposed around the V-shaped portion of the hem in the throat thereof.
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